20715388512

Names of 20715388512

• Cardinal: 20715388512 can be written as Twenty billion, seven hundred fifteen million, three hundred eighty-eight thousand, five hundred twelve.

Scientific notation

• Scientific notation: 2.0715388512 × 10¹⁰

Factors of 20715388512

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2371292

Divisors of 20715388512

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 32 39 42 48 52 56 78 84 91 96 104 112 156 168 182 208 224 273 312 336 364 416 546 624 672 728 1092 1248 1456 2184 2912 4368 8736 2371267 4742534 7113801 9485068 14227602 16598869 18970136 28455204 30826471 33197738 37940272 49796607 56910408 61652942 66395476 75880544 92479413 99593214 113820816 123305884 132790952 184958826 199186428 215785297 227641632 246611768 265581904 369917652 398372856 431570594 493223536 531163808 647355891 739835304 796745712 863141188 986447072 1294711782 1479670608 1593491424 1726282376 2589423564 2959341216 3452564752 5178847128 6905129504 10357694256 20715388512
• Sum of all divisors σ(n): 66926668032
• Sum of proper divisors (its aliquot sum) s(n): 46211279520
• 20715388512 is an abundant number, because the sum of its proper divisors (46211279520) is greater than itself. Its abundance is 25495891008

Bases of 20715388512

• Binary: 10011010010101110111011111001100000₂
• Hexadecimal: 0x4D2BBBE60
• Base-36: 9ILEO2O

Squares and roots of 20715388512

• 20715388512 squared (20715388512²) is 429127321203101574144
• 20715388512 cubed (20715388512³) is 8889539179836064367791733833728
• The square root of 20715388512 is 143928.4145400067
• The cube root of 20715388512 is 2746.4036078331

Scales and comparisons

• 20,715,388,512 seconds is equal to 658 years, 35 weeks, 4 days, 10 hours, 35 minutes, 12 seconds.
• To count from 1 to 20,715,388,512 would take you about one thousand, three hundred seventeen 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 20715388512 cubic inches would be around 228.9 feet tall.

Recreational maths with 20715388512

• 20715388512 backwards is 21588351702
• 20715388512 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20715388512's digits is 42
• More coming soon!