15120956840

Names of 15120956840

• Cardinal: 15120956840 can be written as Fifteen billion, one hundred twenty million, nine hundred fifty-six thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.512095684 × 10¹⁰

Factors of 15120956840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 110830

Divisors of 15120956840

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 4 5 8 10 11 20 22 40 44 55 88 110 220 311 440 622 1244 1555 2488 3110 3421 6220 6842 12440 13684 17105 27368 34210 68420 110501 136840 221002 442004 552505 884008 1105010 1215511 2210020 2431022 4420040 4862044 6077555 9724088 12155110 24310220 34365811 48620440 68731622 137463244 171829055 274926488 343658110 378023921 687316220 756047842 1374632440 1512095684 1890119605 3024191368 3780239210 7560478420 15120956840
• Sum of all divisors σ(n): 37234753920
• Sum of proper divisors (its aliquot sum) s(n): 22113797080
• 15120956840 is an abundant number, because the sum of its proper divisors (22113797080) is greater than itself. Its abundance is 6992840240

Bases of 15120956840

• Binary: 1110000101010001110111110110101000₂
• Hexadecimal: 0x385477DA8
• Base-36: 6Y2MKYW

Squares and roots of 15120956840

• 15120956840 squared (15120956840²) is 228643335757142785600
• 15120956840 cubed (15120956840³) is 3457306011737384782774973504000
• The square root of 15120956840 is 122967.2998809033
• The cube root of 15120956840 is 2472.8233403011

Scales and comparisons

• 15,120,956,840 seconds is equal to 480 years, 41 weeks, 4 days, 1 hour, 47 minutes, 20 seconds.
• To count from 1 to 15,120,956,840 would take you about nine 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 15120956840 cubic inches would be around 206.1 feet tall.

Recreational maths with 15120956840

• 15120956840 backwards is 04865902151
• The number of decimal digits it has is: 11
• The sum of 15120956840's digits is 41
• More coming soon!