20813790800

Names of 20813790800

• Cardinal: 20813790800 can be written as Twenty billion, eight hundred thirteen million, seven hundred ninety thousand, eight hundred.

Scientific notation

• Scientific notation: 2.08137908 × 10¹⁰

Factors of 20813790800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1416

Divisors of 20813790800

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 40 44 50 55 80 88 100 110 121 176 200 220 242 275 400 440 457 484 550 605 880 914 941 968 1100 1210 1828 1882 1936 2200 2285 2420 3025 3656 3764 4400 4570 4705 4840 5027 6050 7312 7528 9140 9410 9680 10054 10351 11425 12100 15056 18280 18820 20108 20702 22850 23525 24200 25135 36560 37640 40216 41404 45700 47050 48400 50270 51755 55297 75280 80432 82808 91400 94100 100540 103510 110594 113861 125675 165616 182800 188200 201080 207020 221188 227722 251350 258775 276485 376400 402160 414040 430037 442376 455444 502700 517550 552970 569305 828080 860074 884752 910888 1005400 1035100 1105940 1138610 1382425 1720148 1821776 2010800 2070200 2150185 2211880 2277220 2764850 2846525 3440296 4140400 4300370 4423760 4554440 4730407 5529700 5693050 6880592 8600740 9108880 9460814 10750925 11059400 11386100 17201480 18921628 21501850 22118800 22772200 23652035 34402960 37843256 43003700 45544400 47304070 52034477 75686512 86007400 94608140 104068954 118260175 172014800 189216280 208137908 236520350 260172385 378432560 416275816 473040700 520344770 832551632 946081400 1040689540 1300861925 1892162800 2081379080 2601723850 4162758160 5203447700 10406895400 20813790800
• Sum of all divisors σ(n): 55143129468
• Sum of proper divisors (its aliquot sum) s(n): 34329338668
• 20813790800 is an abundant number, because the sum of its proper divisors (34329338668) is greater than itself. Its abundance is 13515547868

Bases of 20813790800

• Binary: 10011011000100110010011111001010000₂
• Hexadecimal: 0x4D8993E50
• Base-36: 9K7ZRRK

Squares and roots of 20813790800

• 20813790800 squared (20813790800²) is 433213887466164640000
• 20813790800 cubed (20813790800³) is 9016823225375492895317312000000
• The square root of 20813790800 is 144269.8540929463
• The cube root of 20813790800 is 2750.7453979389

Scales and comparisons

• 20,813,790,800 seconds is equal to 661 years, 42 weeks, 2 days, 8 hours, 33 minutes, 20 seconds.
• To count from 1 to 20,813,790,800 would take you about one thousand, three hundred twenty-three 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 20813790800 cubic inches would be around 229.2 feet tall.

Recreational maths with 20813790800

• 20813790800 backwards is 00809731802
• The number of decimal digits it has is: 11
• The sum of 20813790800's digits is 38
• More coming soon!