20123288640

Names of 20123288640

• Cardinal: 20123288640 can be written as Twenty billion, one hundred twenty-three million, two hundred eighty-eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.012328864 × 10¹⁰

Factors of 20123288640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1597

Divisors of 20123288640

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 32 35 36 39 40 42 45 48 49 52 56 60 63 64 65 70 72 78 80 84 90 91 96 98 104 105 112 117 120 126 130 140 144 147 156 160 168 180 182 192 195 196 208 210 224 234 240 245 252 260 273 280 288 294 312 315 320 336 343 360 364 390 392 416 420 441 448 455 468 480 490 504 520 546 560 576 585 588 624 630 637 672 686 720 728 735 780 784 819 832 840 882 910 936 960 980 1008 1029 1040 1092 1120 1170 1176 1248 1260 1274 1344 1365 1372 1440 1456 1470 1560 1567 1568 1638 1680 1715 1764 1820 1872 1911 1960 2016 2058 2080 2184 2205 2240 2340 2352 2496 2520 2548 2730 2744 2880 2912 2940 3087 3120 3134 3136 3185 3276 3360 3430 3528 3640 3744 3822 3920 4032 4095 4116 4160 4368 4410 4459 4680 4701 4704 5040 5096 5145 5460 5488 5733 5824 5880 6174 6240 6268 6370 6552 6720 6860 7056 7280 7488 7644 7835 7840 8190 8232 8736 8820 8918 9360 9402 9408 9555 10080 10192 10290 10920 10969 10976 11466 11760 12348 12480 12536 12740 13104 13377 13720 14103 14112 14560 15288 15435 15670 15680 16380 16464 17472 17640 17836 18720 18804 19110 20160 20371 20384 20580 21840 21938 21952 22295 22932 23505 23520 24696 25072 25480 26208 26754 27440 28206 28224 28665 29120 30576 30870 31340 32760 32907 32928 35280 35672 37440 37608 38220 40131 40742 40768 41160 43680 43876 44590 45864 47010 47040 49392 50144 50960 52416 53508 54845 54880 56412 57330 61113 61152 61740 62680 65520 65814 65856 66885 70515 70560 71344 75216 76440 76783 80262 81484 82320 87360 87752 89180 91728 94020 98721 98784 100288 101855 101920 107016 109690 109760 112824 114660 122226 122304 123480 125360 131040 131628 133770 141030 141120 142597 142688 150432 152880 153566 160524 162968 164535 164640 175504 178360 183339 183456 188040 197442 197568 200655 203710 203840 214032 219380 225648 229320 230349 244452 246960 250720 262080 263256 267540 282060 285194 285376 300864 305565 305760 307132 321048 325936 329070 329280 351008 356720 366678 366912 376080 383915 394884 401310 407420 427791 428064 438760 451296 458640 460698 488904 493605 493920 501440 526512 535080 537481 564120 570388 611130 611520 614264 642096 651872 658140 691047 702016 712985 713440 733356 752160 767830 789768 802620 814840 855582 856128 877520 902592 916695 917280 921396 977808 987210 987840 998179 1053024 1070160 1074962 1128240 1140776 1151745 1222260 1228528 1283373 1284192 1303744 1316280 1382094 1425970 1426880 1466712 1504320 1535660 1579536 1605240 1612443 1629680 1711164 1755040 1833390 1834560 1842792 1955616 1974420 1996358 2106048 2138955 2140320 2149924 2256480 2281552 2303490 2444520 2457056 2566746 2568384 2632560 2687405 2764188 2851940 2933424 2994537 3071320 3159072 3210480 3224886 3259360 3422328 3455235 3510080 3666780 3685584 3911232 3948840 3992716 4277910 4280640 4299848 4512960 4563104 4606980 4837329 4889040 4914112 4990895 5133492 5265120 5374810 5528376 5703880 5866848 5989074 6142640 6318144 6416865 6420960 6449772 6518720 6844656 6910470 6987253 7333560 7371168 7897680 7985432 8062215 8555820 8599696 8983611 9126208 9213960 9674658 9778080 9981790 10266984 10530240 10749620 11056752 11407760 11733696 11978148 12285280 12833730 12841920 12899544 13689312 13820940 13974506 14667120 14742336 14972685 15795360 15970864 16124430 17111640 17199392 17967222 18427920 19349316 19556160 19963580 20533968 20961759 21499240 22113504 22815520 23956296 24186645 24570560 25667460 25799088 27378624 27641880 27949012 29334240 29945370 31590720 31941728 32248860 34223280 34398784 34936265 35934444 36855840 38698632 39927160 41067936 41923518 42998480 44227008 44918055 45631040 47912592 48373290 51334920 51598176 55283760 55898024 58668480 59890740 62885277 63883456 64497720 68446560 69872530 71868888 73711680 77397264 79854320 82135872 83847036 85996960 89836110 95825184 96746580 102669840 103196352 104808795 110567520 111796048 119781480 125770554 128995440 136893120 139745060 143737776 154794528 159708640 167694072 171993920 179672220 191650368 193493160 205339680 209617590 221135040 223592096 239562960 251541108 257990880 279490120 287475552 309589056 314426385 319417280 335388144 359344440 386986320 410679360 419235180 447184192 479125920 503082216 515981760 558980240 574951104 628852770 670776288 718688880 773972640 838470360 958251840 1006164432 1117960480 1257705540 1341552576 1437377760 1547945280 1676940720 2012328864 2235920960 2515411080 2874755520 3353881440 4024657728 5030822160 6707762880 10061644320 20123288640
• Sum of all divisors σ(n): 86982604800
• Sum of proper divisors (its aliquot sum) s(n): 66859316160
• 20123288640 is an abundant number, because the sum of its proper divisors (66859316160) is greater than itself. Its abundance is 46736027520

Bases of 20123288640

• Binary: 10010101111011100010000010001000000₂
• Hexadecimal: 0x4AF710440
• Base-36: 98SVWW0

Squares and roots of 20123288640

• 20123288640 squared (20123288640²) is 404946745688753049600
• 20123288640 cubed (20123288640³) is 8148860247323453218781036544000
• The square root of 20123288640 is 141856.5777114335
• The cube root of 20123288640 is 2719.9838090155

Scales and comparisons

• 20,123,288,640 seconds is equal to 639 years, 44 weeks, 4 days, 10 hours, 24 minutes.
• To count from 1 to 20,123,288,640 would take you about one thousand, two hundred seventy-nine 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 20123288640 cubic inches would be around 226.7 feet tall.

Recreational maths with 20123288640

• 20123288640 backwards is 04688232102
• 20123288640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20123288640's digits is 36
• More coming soon!