38923137981

Names of 38923137981

• Cardinal: 38923137981 can be written as Thirty-eight billion, nine hundred twenty-three million, one hundred thirty-seven thousand, nine hundred eighty-one.

Scientific notation

• Scientific notation: 3.8923137981 × 10¹⁰

Factors of 38923137981

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 315

Divisors of 38923137981

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 7 9 13 21 23 27 39 63 69 71 89 91 109 117 161 189 207 213 267 273 299 327 351 483 497 621 623 639 763 801 819 897 923 981 1157 1417 1449 1491 1633 1869 1917 2047 2093 2289 2403 2457 2507 2691 2769 2943 3471 4251 4347 4473 4899 5607 6141 6279 6319 6461 6867 7521 7739 8073 8099 8307 9701 9919 10413 11431 12753 13419 14329 14697 16821 17549 18423 18837 18957 19383 20601 21229 22563 23217 24297 24921 26611 29103 29757 31239 32591 34293 38259 42987 44091 44233 52647 54173 55269 56511 56871 58149 63687 67689 67907 69651 72891 79833 82147 87309 89271 97773 100607 102879 126113 128961 132699 145337 148603 157941 162519 170613 174447 177997 186277 191061 203721 208953 218673 223123 228137 239499 246441 261927 267813 293319 301821 308637 378339 386883 398097 436011 445809 473823 487557 533991 558831 573183 575029 611163 669369 684411 688771 704249 718497 739323 879957 882791 905463 1017359 1135017 1194291 1245979 1308033 1337427 1462671 1561861 1601973 1676493 1725087 1833489 1889381 2008107 2053233 2066313 2112747 2217969 2313961 2648373 2716389 2900599 3052077 3405051 3737937 3924099 4012281 4685583 4805919 4821397 5029479 5175261 5668143 6024321 6159699 6198939 6338241 6941883 7945119 8701797 8954023 9156231 11213811 13225667 14056749 14464191 15525783 15841733 16197727 17004429 18596817 19014723 20304193 20825649 23835357 26105391 26862069 27468693 33641433 39677001 42170247 43392573 47525199 48593181 51013287 60912579 62476947 62678161 78316173 80586207 110892131 119031003 130177719 142575597 145779543 182737737 188034483 205942529 241758621 332676393 357093009 427726791 437338629 548213211 564103449 617827587 998029179 1441597703 1692310347 1853482761 2994087537 4324793109 5560448283 12974379327 38923137981
• Sum of all divisors σ(n): 76640256000
• Sum of proper divisors (its aliquot sum) s(n): 37717118019
• 38923137981 is a deficient number, because the sum of its proper divisors (37717118019) is less than itself. Its deficiency is 1206019962

Bases of 38923137981

• Binary: 100100001111111111111111001110111101₂
• Hexadecimal: 0x90FFFF3BD
• Base-36: HVPTXH9

Squares and roots of 38923137981

• 38923137981 squared (38923137981²) is 1515010670287964756361
• 38923137981 cubed (38923137981³) is 58968969362305749215504250447141
• The square root of 38923137981 is 197289.4776236179
• The cube root of 38923137981 is 3388.9821542867

Scales and comparisons

• 38,923,137,981 seconds is equal to 1,237 years, 33 weeks, 6 hours, 46 minutes, 21 seconds.
• To count from 1 to 38,923,137,981 would take you about two thousand, four hundred seventy-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 38923137981 cubic inches would be around 282.4 feet tall.

Recreational maths with 38923137981

• 38923137981 backwards is 18973132983
• The number of decimal digits it has is: 11
• The sum of 38923137981's digits is 54
• More coming soon!