126989961021

Names of 126989961021

• Cardinal: 126989961021 can be written as One hundred twenty-six billion, nine hundred eighty-nine million, nine hundred sixty-one thousand and twenty-one.

Scientific notation

• Scientific notation: 1.26989961021 × 10¹¹

Factors of 126989961021

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 9204

Divisors of 126989961021

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 7 9 11 19 21 33 57 63 77 99 133 171 209 231 399 627 693 1197 1213 1463 1881 3639 4389 7951 8491 10917 13167 13343 23047 23853 25473 40029 55657 69141 71559 76419 87461 93401 120087 151069 161329 166971 207423 253517 262383 280203 453207 483987 500913 612227 760551 787149 840609 1057483 1359621 1451961 1661759 1774619 1836681 2281653 3172449 4985277 5323857 5510043 9517347 9644563 11632313 14955831 15971571 28933689 34896939 67511941 86801067 104690817 106090193 183246697 202535823 318270579 549740091 607607469 742631351 954811737 1282726879 1649220273 2015713667 2227894053 3848180637 6047141001 6683682159 11544541911 14109995669 18141423003 42329987007 126989961021
• Sum of all divisors σ(n): 240957050880
• Sum of proper divisors (its aliquot sum) s(n): 113967089859
• 126989961021 is a deficient number, because the sum of its proper divisors (113967089859) is less than itself. Its deficiency is 13022871162

Bases of 126989961021

• Binary: 1110110010001001100010000011100111101₂
• Hexadecimal: 0x1D9131073D
• Base-36: 1MC6JL19

Squares and roots of 126989961021

• 126989961021 squared (126989961021²) is 16126450200115099362441
• 126989961021 cubed (126989961021³) is 2047897282319714117749924541412261
• The square root of 126989961021 is 356356.5083185657
• The cube root of 126989961021 is 5026.3932477659

Scales and comparisons

• 126,989,961,021 seconds is equal to 4,037 years, 46 weeks, 1 day, 5 hours, 10 minutes, 21 seconds.
• To count from 1 to 126,989,961,021 would take you about eight thousand and 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 126989961021 cubic inches would be around 418.9 feet tall.

Recreational maths with 126989961021

• 126989961021 backwards is 120169989621
• The number of decimal digits it has is: 12
• The sum of 126989961021's digits is 54
• More coming soon!