138649298688

Names of 138649298688

• Cardinal: 138649298688 can be written as One hundred thirty-eight billion, six hundred forty-nine million, two hundred ninety-eight thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38649298688 × 10¹¹

Factors of 138649298688

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 584357

Divisors of 138649298688

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 103 128 144 192 206 256 288 309 384 412 576 618 768 824 927 1152 1236 1648 1854 2304 2472 3296 3708 4944 6592 7416 9888 13184 14832 19776 26368 29664 39552 59328 79104 118656 237312 584249 1168498 1752747 2336996 3505494 4673992 5258241 7010988 9347984 10516482 14021976 18695968 21032964 28043952 37391936 42065928 56087904 60177647 74783872 84131856 112175808 120355294 149567744 168263712 180532941 224351616 240710588 336527424 361065882 448703232 481421176 541598823 673054848 722131764 962842352 1083197646 1346109696 1444263528 1925684704 2166395292 2888527056 3851369408 4332790584 5777054112 7702738816 8665581168 11554108224 15405477632 17331162336 23108216448 34662324672 46216432896 69324649344 138649298688
• Sum of all divisors σ(n): 403641966000
• Sum of proper divisors (its aliquot sum) s(n): 264992667312
• 138649298688 is an abundant number, because the sum of its proper divisors (264992667312) is greater than itself. Its abundance is 126343368624

Bases of 138649298688

• Binary: 10000001001000001001000110011100000000₂
• Hexadecimal: 0x2048246700
• Base-36: 1RP07NK0

Squares and roots of 138649298688

• 138649298688 squared (138649298688²) is 19223628026674238521344
• 138649298688 cubed (138649298688³) is 2665342544137364528020779719196672
• The square root of 138649298688 is 372356.4135180163
• The cube root of 138649298688 is 5175.7412794595

Scales and comparisons

• 138,649,298,688 seconds is equal to 4,408 years, 32 weeks, 1 day, 6 hours, 4 minutes, 48 seconds.
• To count from 1 to 138,649,298,688 would take you about eight thousand, eight hundred seventeen 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 138649298688 cubic inches would be around 431.3 feet tall.

Recreational maths with 138649298688

• 138649298688 backwards is 886892946831
• 138649298688 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138649298688's digits is 72
• More coming soon!