20509931520

Names of 20509931520

• Cardinal: 20509931520 can be written as Twenty billion, five hundred nine million, nine hundred thirty-one thousand, five hundred twenty.

Scientific notation

• Scientific notation: 2.050993152 × 10¹⁰

Factors of 20509931520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 112

Divisors of 20509931520

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 19 20 24 26 30 32 34 36 38 39 40 45 48 51 52 53 57 60 64 65 68 72 76 78 80 85 90 95 96 102 104 106 114 117 120 128 130 136 144 152 153 156 159 160 170 171 180 190 192 195 204 208 212 221 228 234 240 247 255 256 260 265 272 285 288 304 306 312 318 320 323 340 342 360 380 384 390 408 416 424 442 456 468 477 480 494 510 512 520 530 544 570 576 585 608 612 624 636 640 646 663 680 684 689 720 741 760 765 768 780 795 816 832 848 855 884 901 912 936 954 960 969 988 1007 1020 1024 1040 1060 1088 1105 1140 1152 1170 1216 1224 1235 1248 1272 1280 1292 1326 1360 1368 1378 1440 1482 1520 1530 1536 1560 1590 1615 1632 1664 1696 1710 1768 1802 1824 1872 1908 1920 1938 1976 1989 2014 2040 2048 2067 2080 2120 2176 2210 2223 2280 2304 2340 2385 2432 2448 2470 2496 2544 2560 2584 2652 2703 2720 2736 2756 2880 2907 2964 3021 3040 3060 3072 3120 3180 3230 3264 3315 3328 3392 3420 3445 3536 3604 3648 3705 3744 3816 3840 3876 3952 3978 4028 4080 4134 4160 4199 4240 4352 4420 4446 4505 4560 4608 4680 4770 4845 4864 4896 4940 4992 5035 5088 5120 5168 5304 5406 5440 5472 5512 5760 5814 5928 6042 6080 6120 6144 6201 6240 6360 6460 6528 6630 6656 6784 6840 6890 7072 7208 7296 7410 7488 7632 7680 7752 7904 7956 8056 8109 8160 8268 8320 8398 8480 8704 8840 8892 9010 9063 9120 9216 9360 9540 9690 9728 9792 9880 9945 9984 10070 10176 10240 10335 10336 10608 10812 10880 10944 11024 11115 11520 11628 11713 11856 12084 12160 12240 12402 12480 12597 12720 12920 13056 13091 13260 13312 13515 13568 13680 13780 14144 14416 14535 14592 14820 14976 15105 15264 15360 15504 15808 15912 16112 16218 16320 16536 16640 16796 16960 17119 17408 17680 17784 18020 18126 18240 18432 18720 19080 19380 19456 19584 19760 19890 19968 20140 20352 20670 20672 20995 21216 21624 21760 21888 22048 22230 23040 23256 23426 23712 24168 24320 24480 24804 24960 25194 25440 25840 26112 26182 26520 26624 27030 27136 27360 27560 28288 28832 29070 29184 29640 29952 30210 30528 30720 31005 31008 31616 31824 32224 32436 32640 33072 33280 33592 33920 34238 34816 35139 35360 35568 36040 36252 36480 37440 37791 38160 38760 38912 39168 39273 39520 39780 39936 40280 40545 40704 41340 41344 41990 42432 43248 43520 43776 44096 44460 45315 46080 46512 46852 47424 48336 48640 48960 49608 49920 50388 50880 51357 51680 52224 52364 53040 54060 54272 54720 55120 56576 57664 58140 58368 58565 59280 59904 60420 61056 62010 62016 62985 63232 63648 64448 64872 65280 65455 66144 66560 67184 67840 68476 70278 70720 71136 72080 72504 72960 74880 75582 76320 77520 78336 78546 79040 79560 79872 80560 81090 81408 82680 82688 83980 84864 85595 86496 87040 87552 88192 88920 90630 92160 93024 93704 94848 96672 97280 97920 99216 99840 100776 101760 102714 103360 104448 104728 105417 106080 108120 108544 109440 110240 113152 115328 116280 116736 117130 117819 118560 119808 120840 122112 124020 124032 125970 126464 127296 128896 129744 130560 130910 132288 133120 134368 135680 136952 140556 141440 142272 144160 145008 145920 149760 151164 152640 154071 155040 156672 157092 158080 159120 161120 162180 162816 165360 165376 167960 169728 171190 172992 174080 175104 175695 176384 177840 181260 186048 187408 188955 189696 193344 194560 195840 196365 198432 199680 201552 203520 205428 206720 209456 210834 212160 216240 218880 220480 222547 226304 230656 232560 234260 235638 237120 239616 241680 244224 248040 248064 251940 252928 254592 256785 257792 259488 261120 261820 264576 268736 271360 273904 281112 282880 284544 288320 290016 291840 299520 302328 305280 308142 310080 313344 314184 316160 318240 322240 324360 325632 330720 330752 335920 339456 342380 345984 350208 351390 352768 355680 362520 372096 374816 377910 379392 386688 391680 392730 396864 399360 403104 407040 410856 413440 418912 421668 424320 432480 437760 440960 445094 452608 461312 465120 468520 471276 474240 483360 488448 496080 496128 503880 505856 509184 513570 515584 518976 522240 523640 527085 529152 537472 542720 547808 562224 565760 569088 576640 580032 583680 589095 599040 604656 610560 616284 620160 628368 632320 636480 644480 648720 661440 661504 667641 671840 678912 684760 691968 702780 705536 711360 725040 744192 749632 755820 758784 770355 773376 783360 785460 793728 806208 814080 821712 826880 837824 843336 848640 864960 875520 881920 890188 922624 930240 937040 942552 948480 966720 976896 992160 992256 1007760 1018368 1027140 1031168 1037952 1047280 1054170 1058304 1074944 1095616 1112735 1124448 1131520 1138176 1153280 1160064 1178190 1198080 1209312 1221120 1232568 1240320 1256736 1264640 1272960 1288960 1297440 1322880 1335282 1343680 1357824 1369520 1383936 1405560 1411072 1422720 1450080 1488384 1499264 1511640 1517568 1540710 1546752 1566720 1570920 1587456 1612416 1628160 1643424 1653760 1675648 1686672 1697280 1729920 1751040 1763840 1780376 1845248 1860480 1874080 1885104 1896960 1933440 1984320 1984512 2002923 2015520 2036736 2054280 2062336 2075904 2094560 2108340 2116608 2149888 2191232 2225470 2248896 2263040 2276352 2306560 2320128 2356380 2418624 2442240 2465136 2480640 2513472 2529280 2545920 2577920 2594880 2645760 2670564 2687360 2739040 2767872 2811120 2845440 2900160 2976768 2998528 3023280 3081420 3093504 3141840 3174912 3224832 3286848 3307520 3338205 3351296 3373344 3394560 3459840 3527680 3560752 3720960 3748160 3770208 3793920 3866880 3968640 4005846 4031040 4073472 4108560 4151808 4189120 4216680 4233216 4299776 4382464 4450940 4497792 4552704 4613120 4640256 4712760 4837248 4884480 4930272 4961280 5026944 5091840 5155840 5189760 5291520 5341128 5374720 5478080 5535744 5622240 5690880 5800320 5953536 5997056 6046560 6162840 6187008 6283680 6349824 6449664 6573696 6676410 6702592 6746688 6789120 6919680 7055360 7121504 7441920 7496320 7540416 7587840 7733760 7937280 8011692 8062080 8217120 8303616 8378240 8433360 8599552 8764928 8901880 8995584 9226240 9280512 9425520 9674496 9860544 9922560 10014615 10053888 10183680 10311680 10379520 10583040 10682256 10749440 10956160 11244480 11381760 11600640 11994112 12093120 12325680 12567360 12699648 12899328 13147392 13352820 13405184 13493376 13839360 14243008 14883840 14992640 15080832 15467520 15874560 16023384 16124160 16434240 16607232 16756480 16866720 17529856 17803760 17991168 18561024 18851040 19348992 19721088 20029230 20107776 20367360 20759040 21166080 21364512 21498880 21912320 22488960 22763520 23201280 23988224 24186240 24651360 25134720 25798656 26294784 26705640 26810368 26986752 27678720 28486016 29767680 29985280 30161664 30935040 31749120 32046768 32248320 32868480 33512960 33733440 35059712 35607520 35982336 37702080 38697984 39442176 40058460 40215552 41518080 42729024 42997760 43824640 44977920 46402560 48372480 49302720 50269440 52589568 53411280 53973504 56972032 59970560 60323328 63498240 64093536 64496640 65736960 67025920 67466880 71215040 71964672 75404160 77395968 78884352 80116920 80431104 83036160 85458048 87649280 89955840 92805120 96744960 98605440 100538880 105179136 106822560 107947008 113944064 119941120 120646656 128187072 128993280 131473920 134051840 134933760 142430080 150808320 157768704 160233840 170916096 175298560 179911680 193489920 197210880 201077760 213645120 215894016 227888128 241293312 256374144 262947840 269867520 284860160 301616640 315537408 320467680 341832192 359823360 386979840 394421760 402155520 427290240 455776256 512748288 525895680 539735040 569720320 603233280 640935360 683664384 788843520 854580480 1025496576 1079470080 1139440640 1206466560 1281870720 1367328768 1577687040 1709160960 2050993152 2278881280 2563741440 3418321920 4101986304 5127482880 6836643840 10254965760 20509931520
• Sum of all divisors σ(n): 86930625600
• Sum of proper divisors (its aliquot sum) s(n): 66420694080
• 20509931520 is an abundant number, because the sum of its proper divisors (66420694080) is greater than itself. Its abundance is 45910762560

Bases of 20509931520

• Binary: 10011000110011111001011100000000000₂
• Hexadecimal: 0x4C67CB800
• Base-36: 9F730G0

Squares and roots of 20509931520

• 20509931520 squared (20509931520²) is 420657290955089510400
• 20509931520 cubed (20509931520³) is 8627652230877601253774327808000
• The square root of 20509931520 is 143212.8888054423
• The cube root of 20509931520 is 2737.2937351311

Scales and comparisons

• 20,509,931,520 seconds is equal to 652 years, 7 weeks, 6 days, 11 hours, 12 minutes.
• To count from 1 to 20,509,931,520 would take you about one thousand, three hundred four years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 20509931520 cubic inches would be around 228.1 feet tall.

Recreational maths with 20509931520

• 20509931520 backwards is 02513990502
• 20509931520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20509931520's digits is 36
• More coming soon!