38900656840

Names of 38900656840

• Cardinal: 38900656840 can be written as Thirty-eight billion, nine hundred million, six hundred fifty-six thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.890065684 × 10¹⁰

Factors of 38900656840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 248

Divisors of 38900656840

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 20 29 40 58 103 109 116 145 206 218 232 290 412 436 515 545 580 824 841 872 1030 1090 1160 1682 2060 2180 2987 3161 3364 4120 4205 4360 5974 6322 6728 8410 10609 11227 11948 12644 14935 15805 16820 21218 22454 23896 25288 29870 31610 33640 42436 44908 53045 56135 59740 63220 84872 86623 89816 91669 106090 112270 119480 126440 173246 183338 212180 224540 307661 325583 346492 366676 424360 433115 449080 458345 615322 651166 692984 733352 866230 916690 1156381 1230644 1302332 1538305 1627915 1732460 1833380 2312762 2461288 2604664 3076610 3255830 3464920 3666760 4625524 5781905 6153220 6511660 8922169 9251048 9441907 11563810 12306440 13023320 17844338 18883814 23127620 33535049 35688676 37767628 44610845 46255240 47209535 67070098 71377352 75535256 89221690 94419070 134140196 167675245 178443380 188838140 268280392 335350490 356886760 377676280 670700980 972516421 1341401960 1945032842 3890065684 4862582105 7780131368 9725164210 19450328420 38900656840
• Sum of all divisors σ(n): 92377127700
• Sum of proper divisors (its aliquot sum) s(n): 53476470860
• 38900656840 is an abundant number, because the sum of its proper divisors (53476470860) is greater than itself. Its abundance is 14575814020

Bases of 38900656840

• Binary: 100100001110101010001110101011001000₂
• Hexadecimal: 0x90EA8EAC8
• Base-36: HVCG2X4

Squares and roots of 38900656840

• 38900656840 squared (38900656840²) is 1513261102583438785600
• 38900656840 cubed (38900656840³) is 58866850860918389665771933504000
• The square root of 38900656840 is 197232.4943816307
• The cube root of 38900656840 is 3388.3295616599

Scales and comparisons

• 38,900,656,840 seconds is equal to 1,236 years, 47 weeks, 6 days, 2 hours, 40 seconds.
• To count from 1 to 38,900,656,840 would take you about two thousand, four hundred seventy-three 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 38900656840 cubic inches would be around 282.4 feet tall.

Recreational maths with 38900656840

• 38900656840 backwards is 04865600983
• The number of decimal digits it has is: 11
• The sum of 38900656840's digits is 49
• More coming soon!