20699064720

Names of 20699064720

• Cardinal: 20699064720 can be written as Twenty billion, six hundred ninety-nine million, sixty-four thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.069906472 × 10¹⁰

Factors of 20699064720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 149160

Divisors of 20699064720

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 36 40 45 48 60 72 80 90 120 144 180 193 240 360 386 579 720 772 965 1158 1544 1737 1930 2316 2895 3088 3474 3860 4632 5790 6948 7720 8685 9264 11580 13896 15440 17370 23160 27792 34740 46320 69480 138960 148957 297914 446871 595828 744785 893742 1191656 1340613 1489570 1787484 2234355 2383312 2681226 2979140 3574968 4468710 5362452 5958280 6703065 7149936 8937420 10724904 11916560 13406130 17874840 21449808 26812260 28748701 35749680 53624520 57497402 86246103 107249040 114994804 143743505 172492206 229989608 258738309 287487010 344984412 431230515 459979216 517476618 574974020 689968824 862461030 1034953236 1149948040 1293691545 1379937648 1724922060 2069906472 2299896080 2587383090 3449844120 4139812944 5174766180 6899688240 10349532360 20699064720
• Sum of all divisors σ(n): 69875006136
• Sum of proper divisors (its aliquot sum) s(n): 49175941416
• 20699064720 is an abundant number, because the sum of its proper divisors (49175941416) is greater than itself. Its abundance is 28476876696

Bases of 20699064720

• Binary: 10011010001110000101010100110010000₂
• Hexadecimal: 0x4D1C2A990
• Base-36: 9IBOSK0

Squares and roots of 20699064720

• 20699064720 squared (20699064720²) is 428451280282748678400
• 20699064720 cubed (20699064720³) is 8868540779939474793696066048000
• The square root of 20699064720 is 143871.6953399801
• The cube root of 20699064720 is 2745.6820266727

Scales and comparisons

• 20,699,064,720 seconds is equal to 658 years, 8 weeks, 4 days, 12 hours, 12 minutes.
• To count from 1 to 20,699,064,720 would take you about one thousand, three hundred sixteen 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 20699064720 cubic inches would be around 228.8 feet tall.

Recreational maths with 20699064720

• 20699064720 backwards is 02746099602
• 20699064720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20699064720's digits is 45
• More coming soon!