68312973388

Names of 68312973388

• Cardinal: 68312973388 can be written as Sixty-eight billion, three hundred twelve million, nine hundred seventy-three thousand, three hundred eighty-eight.

Scientific notation

• Scientific notation: 6.8312973388 × 10¹⁰

Factors of 68312973388

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 134

Divisors of 68312973388

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 11 19 22 29 38 44 58 73 76 116 121 146 209 242 292 319 418 484 551 638 803 836 841 1102 1276 1331 1387 1606 1682 2117 2204 2299 2662 2774 3212 3364 3509 4234 4598 5324 5548 6061 7018 8468 8833 9196 9251 12122 14036 14641 15257 15979 17666 18502 23287 24244 25289 29282 30514 31958 35332 37004 38599 40223 46574 50578 58564 61028 61393 63916 66671 77198 80446 93148 97163 101156 101761 122786 133342 154396 160892 167827 175769 194326 203522 245572 256157 266684 278179 335654 351538 388652 407044 424589 442453 512314 556358 671308 675323 703076 733381 849178 884906 1024628 1068793 1112716 1119371 1166467 1350646 1466762 1698356 1769812 1846097 1933459 2137586 2238742 2332934 2701292 2817727 2933524 3692194 3866918 4275172 4477484 4665868 4866983 5635454 7384388 7428553 7733836 8067191 9733966 11270908 12313081 12831137 14857106 16134382 19467932 20307067 21268049 24626162 25662274 29714212 30994997 32268764 40614134 42536098 49252324 51324548 53536813 61989994 81228268 81714083 85072196 107073626 123979988 141142507 163428166 214147252 233948539 282285014 326856332 467897078 564570028 588904943 898854913 935794156 1177809886 1552567577 1797709826 2355619772 3105135154 3595419652 6210270308 17078243347 34156486694 68312973388
• Sum of all divisors σ(n): 145324433800
• Sum of proper divisors (its aliquot sum) s(n): 77011460412
• 68312973388 is an abundant number, because the sum of its proper divisors (77011460412) is greater than itself. Its abundance is 8698487024

Bases of 68312973388

• Binary: 111111100111110001010100000001001100₂
• Hexadecimal: 0xFE7C5404C
• Base-36: VDRS3M4

Squares and roots of 68312973388

• 68312973388 squared (68312973388²) is 4666662333109596198544
• 68312973388 cubed (68312973388³) is 318793579772497836398562236347072
• The square root of 68312973388 is 261367.5063736883
• The cube root of 68312973388 is 4087.9075263305

Scales and comparisons

• 68,312,973,388 seconds is equal to 2,172 years, 7 weeks, 2 days, 9 hours, 56 minutes, 28 seconds.
• To count from 1 to 68,312,973,388 would take you about four thousand, three hundred forty-four 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 68312973388 cubic inches would be around 340.7 feet tall.

Recreational maths with 68312973388

• 68312973388 backwards is 88337921386
• 68312973388 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 68312973388's digits is 58
• More coming soon!