129904356015

Names of 129904356015

• Cardinal: 129904356015 can be written as One hundred twenty-nine billion, nine hundred four million, three hundred fifty-six thousand and fifteen.

Scientific notation

• Scientific notation: 1.29904356015 × 10¹¹

Factors of 129904356015

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 2544

Divisors of 129904356015

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 105 127 135 189 315 381 601 635 889 945 1143 1801 1803 1905 2667 3005 3429 4207 4445 5403 5409 5715 8001 9005 9015 12607 12621 13335 16209 16227 17145 21035 24003 27015 27045 37821 37863 40005 48627 63035 63105 76327 81045 81135 113463 113589 120015 189105 189315 228727 228981 243135 340389 381635 534289 567315 567945 686181 686943 1082401 1143635 1144905 1601089 1602867 1701945 2058543 2060829 2671445 3247203 3430905 3434715 4803267 4808601 5412005 6175629 7576807 8005445 8014335 9741609 10292715 10304145 14409801 14425803 16236015 22730421 24016335 24043005 29224827 30878145 37884035 43229403 48708045 68191263 72049005 72129015 113652105 137464927 146124135 204573789 216147015 340956315 412394781 687324635 962254489 1022868945 1237184343 2061973905 2886763467 3711553029 4811272445 6185921715 8660290401 14433817335 18557765145 25980871203 43301452005 129904356015
• Sum of all divisors σ(n): 266601431040
• Sum of proper divisors (its aliquot sum) s(n): 136697075025
• 129904356015 is an abundant number, because the sum of its proper divisors (136697075025) is greater than itself. Its abundance is 6792719010

Bases of 129904356015

• Binary: 1111000111110111001110010101010101111₂
• Hexadecimal: 0x1E3EE72AAF
• Base-36: 1NODP6LR

Squares and roots of 129904356015

• 129904356015 squared (129904356015²) is 16875141711671866680225
• 129904356015 cubed (129904356015³) is 2192154416716598650087564560303375
• The square root of 129904356015 is 360422.4687987695
• The cube root of 129904356015 is 5064.5543732415

Scales and comparisons

• 129,904,356,015 seconds is equal to 4,130 years, 28 weeks, 6 days, 15 hours, 20 minutes, 15 seconds.
• To count from 1 to 129,904,356,015 would take you about eight thousand, two hundred sixty-one 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 129904356015 cubic inches would be around 422 feet tall.

Recreational maths with 129904356015

• 129904356015 backwards is 510653409921
• 129904356015 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129904356015's digits is 45
• More coming soon!