21239056800

Names of 21239056800

• Cardinal: 21239056800 can be written as Twenty-one billion, two hundred thirty-nine million, fifty-six thousand, eight hundred.

Scientific notation

• Scientific notation: 2.12390568 × 10¹⁰

Factors of 21239056800

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 226936

Divisors of 21239056800

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 30 32 36 39 40 45 48 50 52 60 65 72 75 78 80 90 96 100 104 117 120 130 144 150 156 160 180 195 200 208 225 234 240 260 288 300 312 325 360 390 400 416 450 468 480 520 585 600 624 650 720 780 800 900 936 975 1040 1170 1200 1248 1300 1440 1560 1800 1872 1950 2080 2340 2400 2600 2925 3120 3600 3744 3900 4680 5200 5850 6240 7200 7800 9360 10400 11700 15600 18720 23400 31200 46800 93600 226913 453826 680739 907652 1134565 1361478 1815304 2042217 2269130 2722956 2949869 3403695 3630608 4084434 4538260 5445912 5672825 5899738 6807390 7261216 8168868 8849607 9076520 10211085 10891824 11345650 11799476 13614780 14749345 16337736 17018475 17699214 18153040 20422170 21783648 22691300 23598952 26548821 27229560 29498690 32675472 34036950 35398428 36306080 40844340 44248035 45382600 47197904 51055425 53097642 54459120 58997380 65350944 68073900 70796856 73746725 81688680 88496070 90765200 94395808 102110850 106195284 108918240 117994760 132744105 136147800 141593712 147493450 163377360 176992140 181530400 204221700 212390568 221240175 235989520 265488210 272295600 283187424 294986900 326754720 353984280 408443400 424781136 442480350 471979040 530976420 544591200 589973800 663720525 707968560 816886800 849562272 884960700 1061952840 1179947600 1327441050 1415937120 1633773600 1769921400 2123905680 2359895200 2654882100 3539842800 4247811360 5309764200 7079685600 10619528400 21239056800
• Sum of all divisors σ(n): 80655673644
• Sum of proper divisors (its aliquot sum) s(n): 59416616844
• 21239056800 is an abundant number, because the sum of its proper divisors (59416616844) is greater than itself. Its abundance is 38177560044

Bases of 21239056800

• Binary: 10011110001111100100100100110100000₂
• Hexadecimal: 0x4F1F249A0
• Base-36: 9R96P40

Squares and roots of 21239056800

• 21239056800 squared (21239056800²) is 451097533753626240000
• 21239056800 cubed (21239056800³) is 9580886141733184917330432000000
• The square root of 21239056800 is 145736.2576711781
• The cube root of 21239056800 is 2769.3535832997

Scales and comparisons

• 21,239,056,800 seconds is equal to 675 years, 17 weeks, 3 days, 10 hours.
• To count from 1 to 21,239,056,800 would take you about one thousand, three hundred fifty 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 21239056800 cubic inches would be around 230.8 feet tall.

Recreational maths with 21239056800

• 21239056800 backwards is 00865093212
• 21239056800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21239056800's digits is 36
• More coming soon!