15121364640

Names of 15121364640

• Cardinal: 15121364640 can be written as Fifteen billion, one hundred twenty-one million, three hundred sixty-four thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.512136464 × 10¹⁰

Factors of 15121364640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 137806

Divisors of 15121364640

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 120 160 229 240 458 480 687 916 1145 1374 1832 2290 2748 3435 3664 4580 5496 6870 7328 9160 10992 13740 18320 21984 27480 36640 54960 109920 137567 275134 412701 550268 687835 825402 1100536 1375670 1650804 2063505 2201072 2751340 3301608 4127010 4402144 5502680 6603216 8254020 11005360 13206432 16508040 22010720 31502843 33016080 63005686 66032160 94508529 126011372 157514215 189017058 252022744 315028430 378034116 472542645 504045488 630056860 756068232 945085290 1008090976 1260113720 1512136464 1890170580 2520227440 3024272928 3780341160 5040454880 7560682320 15121364640
• Sum of all divisors σ(n): 47840647680
• Sum of proper divisors (its aliquot sum) s(n): 32719283040
• 15121364640 is an abundant number, because the sum of its proper divisors (32719283040) is greater than itself. Its abundance is 17597918400

Bases of 15121364640

• Binary: 1110000101010011011011011010100000₂
• Hexadecimal: 0x3854DB6A0
• Base-36: 6Y2VBMO

Squares and roots of 15121364640

• 15121364640 squared (15121364640²) is 228655668575842329600
• 15121364640 cubed (15121364640³) is 3457585741538301361028665344000
• The square root of 15121364640 is 122968.9580341315
• The cube root of 15121364640 is 2472.8455701177

Scales and comparisons

• 15,121,364,640 seconds is equal to 480 years, 42 weeks, 1 day, 19 hours, 4 minutes.
• To count from 1 to 15,121,364,640 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 15121364640 cubic inches would be around 206.1 feet tall.

Recreational maths with 15121364640

• 15121364640 backwards is 04646312151
• The number of decimal digits it has is: 11
• The sum of 15121364640's digits is 33
• More coming soon!