138489950456

Names of 138489950456

• Cardinal: 138489950456 can be written as One hundred thirty-eight billion, four hundred eighty-nine million, nine hundred fifty thousand, four hundred fifty-six.

Scientific notation

• Scientific notation: 1.38489950456 × 10¹¹

Factors of 138489950456

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1248140

Divisors of 138489950456

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 8 11 13 22 26 44 52 88 97 104 143 194 286 388 572 776 1067 1144 1261 2134 2522 4268 5044 8536 10088 13871 27742 55484 110968 1248017 2496034 4992068 9984136 13728187 16224221 27456374 32448442 54912748 64896884 109825496 121057649 129793768 178466431 242115298 356932862 484230596 713865724 968461192 1331634139 1427731448 1573749437 2663268278 3147498874 5326536556 6294997748 10653073112 12589995496 17311243807 34622487614 69244975228 138489950456
• Sum of all divisors σ(n): 308210525280
• Sum of proper divisors (its aliquot sum) s(n): 169720574824
• 138489950456 is an abundant number, because the sum of its proper divisors (169720574824) is greater than itself. Its abundance is 31230624368

Bases of 138489950456

• Binary: 10000000111110101001001111000011111000₂
• Hexadecimal: 0x203EA4F0F8
• Base-36: 1RMDC9O8

Squares and roots of 138489950456

• 138489950456 squared (138489950456²) is 19179466377305334607936
• 138489950456 cubed (138489950456³) is 2656163348365533592637558824418816
• The square root of 138489950456 is 372142.3792797591
• The cube root of 138489950456 is 5173.7577103901

Scales and comparisons

• 138,489,950,456 seconds is equal to 4,403 years, 28 weeks, 4 days, 22 hours, 40 minutes, 56 seconds.
• To count from 1 to 138,489,950,456 would take you about eight thousand, eight hundred seven 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 138489950456 cubic inches would be around 431.1 feet tall.

Recreational maths with 138489950456

• 138489950456 backwards is 654059984831
• The number of decimal digits it has is: 12
• The sum of 138489950456's digits is 62
• More coming soon!