138449355792

Names of 138449355792

• Cardinal: 138449355792 can be written as One hundred thirty-eight billion, four hundred forty-nine million, three hundred fifty-five thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.38449355792 × 10¹¹

Factors of 138449355792

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 10252

Divisors of 138449355792

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 33 44 48 66 88 121 132 176 242 264 363 484 528 726 968 1452 1936 2904 3583 5808 6653 7166 10749 13306 14332 19959 21498 26612 28664 39413 39918 42996 53224 57328 73183 78826 79836 85992 106448 118239 146366 157652 159672 171984 219549 236478 292732 315304 319344 433543 439098 472956 585464 630608 805013 867086 878196 945912 1170928 1300629 1610026 1734172 1756392 1891824 2415039 2601258 3220052 3468344 3512784 4830078 5202516 6440104 6936688 9660156 10405032 12880208 19320312 20810064 23837699 38640624 47675398 71513097 95350796 143026194 190701592 262214689 286052388 381403184 524429378 572104776 786644067 1048858756 1144209552 1573288134 2097717512 2884361579 3146576268 4195435024 5768723158 6293152536 8653084737 11537446316 12586305072 17306169474 23074892632 34612338948 46149785264 69224677896 138449355792
• Sum of all divisors σ(n): 393300160512
• Sum of proper divisors (its aliquot sum) s(n): 254850804720
• 138449355792 is an abundant number, because the sum of its proper divisors (254850804720) is greater than itself. Its abundance is 116401448928

Bases of 138449355792

• Binary: 10000000111100001110011000010000010000₂
• Hexadecimal: 0x203C398410
• Base-36: 1RLP66MO

Squares and roots of 138449355792

• 138449355792 squared (138449355792²) is 19168224119219803947264
• 138449355792 cubed (138449355792³) is 2653828280982658462147239540953088
• The square root of 138449355792 is 372087.8334372141
• The cube root of 138449355792 is 5173.2521442705

Scales and comparisons

• 138,449,355,792 seconds is equal to 4,402 years, 13 weeks, 4 days, 2 hours, 23 minutes, 12 seconds.
• To count from 1 to 138,449,355,792 would take you about eight thousand, eight hundred 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 138449355792 cubic inches would be around 431.1 feet tall.

Recreational maths with 138449355792

• 138449355792 backwards is 297553944831
• The number of decimal digits it has is: 12
• The sum of 138449355792's digits is 60
• More coming soon!