128137126080

Names of 128137126080

• Cardinal: 128137126080 can be written as One hundred twenty-eight billion, one hundred thirty-seven million, one hundred twenty-six thousand and eighty.

Scientific notation

• Scientific notation: 1.2813712608 × 10¹¹

Factors of 128137126080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 138934

Divisors of 128137126080

• Number of divisors d(n): 168
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 80 93 96 120 124 155 160 186 192 240 248 310 320 372 465 480 496 620 744 930 960 961 992 1240 1488 1860 1922 1984 2480 2883 2976 3720 3844 4805 4960 5766 5952 7440 7688 9610 9920 11532 14415 14880 15376 19220 23064 28830 29760 30752 38440 46128 57660 61504 76880 92256 115320 138893 153760 184512 230640 277786 307520 416679 461280 555572 694465 833358 922560 1111144 1388930 1666716 2083395 2222288 2777860 3333432 4166790 4305683 4444576 5555720 6666864 8333580 8611366 8889152 11111440 12917049 13333728 16667160 17222732 21528415 22222880 25834098 26667456 33334320 34445464 43056830 44445760 51668196 64585245 66668640 68890928 86113660 103336392 129170490 133337280 133476173 137781856 172227320 206672784 258340980 266952346 275563712 344454640 400428519 413345568 516681960 533904692 667380865 688909280 800857038 826691136 1033363920 1067809384 1334761730 1377818560 1601714076 2002142595 2066727840 2135618768 2669523460 3203428152 4004285190 4133455680 4271237536 5339046920 6406856304 8008570380 8542475072 10678093840 12813712608 16017140760 21356187680 25627425216 32034281520 42712375360 64068563040 128137126080
• Sum of all divisors σ(n): 420385469616
• Sum of proper divisors (its aliquot sum) s(n): 292248343536
• 128137126080 is an abundant number, because the sum of its proper divisors (292248343536) is greater than itself. Its abundance is 164111217456

Bases of 128137126080

• Binary: 1110111010101100100010110000011000000₂
• Hexadecimal: 0x1DD59160C0
• Base-36: 1MV5JB9C

Squares and roots of 128137126080

• 128137126080 squared (128137126080²) is 16419123080041816166400
• 128137126080 cubed (128137126080³) is 2103899244230356129786179059712000
• The square root of 128137126080 is 357962.4646244351
• The cube root of 128137126080 is 5041.4832243301

Scales and comparisons

• 128,137,126,080 seconds is equal to 4,074 years, 18 weeks, 6 days, 14 hours, 8 minutes.
• To count from 1 to 128,137,126,080 would take you about eight thousand, one hundred forty-eight 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 128137126080 cubic inches would be around 420.1 feet tall.

Recreational maths with 128137126080

• 128137126080 backwards is 080621731821
• The number of decimal digits it has is: 12
• The sum of 128137126080's digits is 39
• More coming soon!