20427557920

Names of 20427557920

• Cardinal: 20427557920 can be written as Twenty billion, four hundred twenty-seven million, five hundred fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.042755792 × 10¹⁰

Factors of 20427557920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1196

Divisors of 20427557920

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 37 40 41 44 55 56 70 74 77 80 82 88 110 112 140 148 154 160 164 176 185 205 220 224 259 280 287 296 308 328 352 370 385 407 410 440 451 518 560 574 592 616 656 740 770 814 820 880 902 1036 1093 1120 1148 1184 1232 1295 1312 1435 1480 1517 1540 1628 1640 1760 1804 2035 2072 2186 2255 2296 2464 2590 2849 2870 2960 3034 3080 3157 3256 3280 3608 4070 4144 4372 4510 4592 5180 5465 5698 5740 5920 6068 6160 6314 6512 6560 7216 7585 7651 8140 8288 8744 9020 9184 10360 10619 10930 11396 11480 12023 12136 12320 12628 13024 14245 14432 15170 15302 15785 16280 16687 17488 18040 20720 21238 21860 22792 22960 24046 24272 25256 28490 30340 30604 31570 32560 33374 34976 36080 38255 40441 41440 42476 43720 44813 45584 45920 48092 48544 50512 53095 56980 60115 60680 61208 63140 65120 66748 72160 76510 80882 83435 84161 84952 87440 89626 91168 96184 101024 106190 113960 116809 120230 121360 122416 126280 133496 153020 161764 166870 168322 169904 174880 179252 192368 202205 212380 224065 227920 233618 240460 242720 244832 252560 266992 283087 306040 313691 323528 333740 336644 339808 358504 384736 404410 420805 424760 444851 448130 455840 467236 480920 492943 505120 533984 566174 584045 612080 627382 647056 667480 673288 717008 808820 841610 849520 889702 896260 934472 961840 985886 1132348 1168090 1224160 1254764 1294112 1334960 1346576 1415435 1434016 1568455 1617640 1658081 1683220 1699040 1779404 1792520 1868944 1923680 1971772 2224255 2264696 2336180 2464715 2509528 2669920 2693152 2830870 3113957 3136910 3235280 3316162 3366440 3450601 3558808 3585040 3737888 3943544 4448510 4529392 4672360 4929430 5019056 5661740 6227914 6273820 6470560 6632324 6732880 6901202 7117616 7170080 7887088 8290405 8897020 9058784 9344720 9858860 10038112 11323480 11606567 12455828 12547640 13264648 13465760 13802404 14235232 15569785 15774176 16580810 17253005 17794040 18238891 18689440 19717720 22646960 23213134 24911656 25095280 26529296 27604808 31139570 33161620 34506010 35588080 36477782 39435440 45293920 46426268 49823312 50190560 53058592 55209616 58032835 62279140 66323240 69012020 71176160 72955564 78870880 91194455 92852536 99646624 110419232 116065670 124558280 127672237 132646480 138024040 145911128 182388910 185705072 232131340 249116560 255344474 265292960 276048080 291822256 364777820 371410144 464262680 498233120 510688948 552096160 583644512 638361185 729555640 928525360 1021377896 1276722370 1459111280 1857050720 2042755792 2553444740 2918222560 4085511584 5106889480 10213778960 20427557920
• Sum of all divisors σ(n): 63359718912
• Sum of proper divisors (its aliquot sum) s(n): 42932160992
• 20427557920 is an abundant number, because the sum of its proper divisors (42932160992) is greater than itself. Its abundance is 22504603072

Bases of 20427557920

• Binary: 10011000001100100111100110000100000₂
• Hexadecimal: 0x4C193CC20
• Base-36: 9DU1GKG

Squares and roots of 20427557920

• 20427557920 squared (20427557920²) is 417285122574954726400
• 20427557920 cubed (20427557920³) is 8524116010554187214913753088000
• The square root of 20427557920 is 142925.0080286865
• The cube root of 20427557920 is 2733.6242400403

Scales and comparisons

• 20,427,557,920 seconds is equal to 649 years, 27 weeks, 5 days, 1 hour, 38 minutes, 40 seconds.
• To count from 1 to 20,427,557,920 would take you about one thousand, two hundred ninety-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 20427557920 cubic inches would be around 227.8 feet tall.

Recreational maths with 20427557920

• 20427557920 backwards is 02975572402
• The number of decimal digits it has is: 11
• The sum of 20427557920's digits is 43
• More coming soon!