20644497120

Names of 20644497120

• Cardinal: 20644497120 can be written as Twenty billion, six hundred forty-four million, four hundred ninety-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.064449712 × 10¹⁰

Factors of 20644497120

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 251

Divisors of 20644497120

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 19 20 24 26 30 31 32 38 39 40 41 48 52 57 60 62 65 76 78 80 82 93 95 96 104 114 120 123 124 130 137 152 155 156 160 164 186 190 195 205 208 228 240 246 247 248 260 274 285 304 310 312 328 372 380 390 403 410 411 416 456 465 480 492 494 496 520 533 548 570 589 608 615 620 624 656 685 741 744 760 779 780 806 820 822 912 930 984 988 992 1040 1066 1096 1140 1178 1209 1230 1235 1240 1248 1271 1312 1370 1482 1488 1520 1558 1560 1599 1612 1640 1644 1767 1781 1824 1860 1968 1976 2015 2055 2080 2132 2192 2280 2337 2356 2418 2460 2470 2480 2542 2603 2665 2740 2945 2964 2976 3040 3116 3120 3198 3224 3280 3288 3534 3562 3705 3720 3813 3895 3936 3952 4030 4110 4247 4264 4384 4560 4674 4712 4836 4920 4940 4960 5084 5206 5330 5343 5480 5617 5890 5928 6045 6232 6240 6355 6396 6448 6560 6576 7068 7124 7410 7440 7626 7657 7790 7809 7904 7995 8060 8220 8494 8528 8835 8905 9120 9348 9424 9672 9840 9880 10127 10168 10412 10660 10686 10960 11234 11685 11780 11856 12090 12464 12710 12741 12792 12896 13015 13152 14136 14248 14820 14880 15252 15314 15580 15618 15990 16120 16440 16523 16851 16988 17056 17670 17810 18696 18848 19065 19344 19680 19760 20254 20336 20824 21235 21320 21372 21920 22468 22971 23370 23560 23712 24149 24180 24928 25420 25482 25584 26030 26715 28085 28272 28496 29640 30381 30504 30628 31160 31236 31980 32240 32880 33046 33702 33839 33976 35340 35620 37392 38130 38285 38688 39045 39520 40508 40672 41648 42470 42640 42744 44936 45942 46740 47120 48298 48360 49569 50635 50840 50964 51168 52060 53430 55211 56170 56544 56992 59280 60762 61008 61256 62320 62472 63705 63960 64480 65760 66092 67404 67678 67952 70680 71240 72447 73021 74784 76260 76570 78090 80693 81016 82615 83296 84255 84940 85280 85488 89872 91884 93480 94240 96596 96720 99138 101270 101517 101680 101928 104120 106723 106860 110422 112340 114855 118560 120745 121524 122016 122512 124640 124944 127410 127920 132184 134808 135356 135904 141360 142480 144894 146042 151905 152520 153140 156180 161386 162032 165230 165633 168510 169195 169880 170976 174127 179744 183768 186960 193192 193440 198276 202540 203034 203360 203856 208240 213446 213720 219063 220844 224680 229710 241490 242079 243048 245024 247845 249888 254820 255840 264368 269616 270712 276055 282720 284960 289788 292084 303810 305040 306280 312360 313937 320169 322772 324064 330460 331266 337020 338390 339760 348254 362235 365105 367536 373920 386384 396552 403465 405080 406068 407712 416480 426892 427440 438126 441688 449360 459420 482980 484158 486096 495690 507585 509640 522381 528736 533615 539232 541424 552110 579576 584168 607620 610080 612560 624720 627874 640338 645544 660920 662532 674040 676780 679520 696508 724470 730210 735072 772768 793104 806930 810160 812136 828165 853784 854880 870635 876252 883376 898720 918840 941811 965960 968316 972192 991380 1015170 1019280 1044762 1049009 1067230 1082848 1095315 1104220 1159152 1168336 1210395 1215240 1225120 1249440 1255748 1280676 1291088 1321840 1325064 1348080 1353560 1387399 1393016 1448940 1460420 1569685 1586208 1600845 1613860 1620320 1624272 1656330 1707568 1741270 1752504 1766752 1837680 1883622 1931920 1936632 1982760 2030340 2038560 2089524 2098018 2134460 2190630 2208440 2263651 2318304 2336672 2420790 2430480 2511496 2561352 2582176 2611905 2643680 2650128 2696160 2707120 2774798 2786032 2897880 2920840 3139370 3147027 3201690 3227720 3248544 3308413 3312660 3415136 3482540 3505008 3675360 3767244 3863840 3873264 3965520 4060680 4162197 4179048 4196036 4268920 4381260 4416880 4527302 4709055 4841580 4860960 5022992 5122704 5223810 5245045 5300256 5414240 5549596 5572064 5795760 5841680 6278740 6294054 6403380 6455440 6616826 6625320 6790953 6936995 6965080 7010016 7534488 7746528 7931040 8121360 8324394 8358096 8392072 8537840 8762520 8833760 9054604 9418110 9683160 9925239 10045984 10245408 10447620 10490090 11099192 11318255 11591520 11683360 12557480 12588108 12806760 12910880 13233652 13250640 13581906 13873990 13930160 15068976 15735135 16242720 16542065 16648788 16716192 16784144 17075680 17525040 18109208 18836220 19366320 19850478 20810985 20895240 20980180 22198384 22636510 25114960 25176216 25613520 26467304 26501280 27163812 27747980 27860320 30137952 31470270 33084130 33297576 33568288 33954765 35050080 36218416 37672440 38732640 39700956 41621970 41790480 41960360 43009369 44396768 45273020 49626195 50229920 50352432 51227040 52934608 54327624 55495960 62940540 66168260 66595152 67909530 72436832 75344880 79401912 83243940 83580960 83920720 86018738 90546040 99252390 100704864 105869216 108655248 110991920 125881080 129028107 132336520 133190304 135819060 150689760 158803824 166487880 167841440 172037476 181092080 198504780 215046845 217310496 221983840 251762160 258056214 264673040 271638120 317607648 332975760 344074952 362184160 397009560 430093690 503524320 516112428 529346080 543276240 645140535 665951520 688149904 794019120 860187380 1032224856 1086552480 1290281070 1376299808 1588038240 1720374760 2064449712 2580562140 3440749520 4128899424 5161124280 6881499040 10322248560 20644497120
• Sum of all divisors σ(n): 78521425920
• Sum of proper divisors (its aliquot sum) s(n): 57876928800
• 20644497120 is an abundant number, because the sum of its proper divisors (57876928800) is greater than itself. Its abundance is 37232431680

Bases of 20644497120

• Binary: 10011001110100000100000011011100000₂
• Hexadecimal: 0x4CE8206E0
• Base-36: 9HF77XC

Squares and roots of 20644497120

• 20644497120 squared (20644497120²) is 426195261337688294400
• 20644497120 cubed (20644497120³) is 8798586845243553341198512128000
• The square root of 20644497120 is 143681.9303879231
• The cube root of 20644497120 is 2743.2671489641

Scales and comparisons

• 20,644,497,120 seconds is equal to 656 years, 22 weeks, 2 days, 22 hours, 32 minutes.
• To count from 1 to 20,644,497,120 would take you about one thousand, three hundred twelve 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 20644497120 cubic inches would be around 228.6 feet tall.

Recreational maths with 20644497120

• 20644497120 backwards is 02179444602
• 20644497120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20644497120's digits is 39
• More coming soon!