161428498840

Names of 161428498840

• Cardinal: 161428498840 can be written as One hundred sixty-one billion, four hundred twenty-eight million, four hundred ninety-eight thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.6142849884 × 10¹¹

Factors of 161428498840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5263

Divisors of 161428498840

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 28 29 35 40 49 56 58 70 98 116 140 145 196 203 232 245 280 290 392 406 490 580 617 812 980 1015 1160 1234 1421 1624 1960 2030 2468 2842 3085 4060 4319 4603 4936 5684 6170 7105 8120 8638 9206 11368 12340 14210 17276 17893 18412 21595 23015 24680 28420 30233 32221 34552 35786 36824 43190 46030 56840 60466 64442 71572 86380 89465 92060 120932 125251 128884 133487 143144 151165 161105 172760 178930 184120 225547 241864 250502 257768 266974 302330 322210 357860 451094 501004 533948 604660 626255 644420 667435 715720 876757 902188 934409 1002008 1067896 1127735 1209320 1252510 1288840 1334870 1753514 1804376 1868818 2255470 2505020 2669740 2840051 3507028 3737636 4383785 4510940 4672045 5010040 5339480 5680102 6540863 7014056 7475272 8767570 9021880 9344090 11360204 13081726 14200255 17535140 18688180 19880357 22720408 26163452 28400510 32704315 35070280 37376360 39760714 52326904 56801020 65408630 79521428 82361479 99401785 113602040 130817260 139162499 159042856 164722958 198803570 261634520 278324998 329445916 397607140 411807395 556649996 576530353 658891832 695812495 795214280 823614790 1113299992 1153060706 1391624990 1647229580 2306121412 2783249980 2882651765 3294459160 4035712471 4612242824 5566499960 5765303530 8071424942 11530607060 16142849884 20178562355 23061214120 32285699768 40357124710 80714249420 161428498840
• Sum of all divisors σ(n): 437887360800
• Sum of proper divisors (its aliquot sum) s(n): 276458861960
• 161428498840 is an abundant number, because the sum of its proper divisors (276458861960) is greater than itself. Its abundance is 115030363120

Bases of 161428498840

• Binary: 10010110010101111000110110100110011000₂
• Hexadecimal: 0x2595E36998
• Base-36: 225QCYVS

Squares and roots of 161428498840

• 161428498840 squared (161428498840²) is 26059160237735881345600
• 161428498840 cubed (161428498840³) is 4206691118208720846024567239104000
• The square root of 161428498840 is 401781.6556788027
• The cube root of 161428498840 is 5444.9438148459

Scales and comparisons

• 161,428,498,840 seconds is equal to 5,132 years, 48 weeks, 1 day, 9 hours, 40 minutes, 40 seconds.
• To count from 1 to 161,428,498,840 would take you about ten thousand, two hundred sixty-five 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 161428498840 cubic inches would be around 453.7 feet tall.

Recreational maths with 161428498840

• 161428498840 backwards is 048894824161
• The number of decimal digits it has is: 12
• The sum of 161428498840's digits is 55
• More coming soon!