21428362658641080

Names of 21428362658641080

• Cardinal: 21428362658641080 can be written as Twenty-one quadrillion, four hundred twenty-eight trillion, three hundred sixty-two billion, six hundred fifty-eight million, six hundred forty-one thousand and eighty.

Scientific notation

• Scientific notation: 2.142836265864108 × 10¹⁶

Factors of 21428362658641080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 460832

Divisors of 21428362658641080

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 29 30 40 58 60 87 116 120 145 174 232 290 348 435 580 696 841 870 1160 1682 1740 2523 3364 3480 4205 5046 6728 8410 10092 12615 16820 20184 25230 33640 50460 100920 460793 921586 1382379 1843172 2303965 2764758 3686344 4607930 5529516 6911895 9215860 11059032 13362997 13823790 18431720 26725994 27647580 40088991 53451988 55295160 66814985 80177982 106903976 133629970 160355964 200444955 267259940 320711928 387526913 400889910 534519880 775053826 801779820 1162580739 1550107652 1603559640 1937634565 2325161478 3100215304 3875269130 4650322956 5812903695 7750538260 9300645912 11625807390 15501076520 23251614780 46503229560 212330188849 424660377698 636990566547 849320755396 1061650944245 1273981133094 1698641510792 2123301888490 2547962266188 3184952832735 4246603776980 5095924532376 6157575476621 6369905665470 8493207553960 12315150953242 12739811330940 18472726429863 24630301906484 25479622661880 30787877383105 36945452859726 49260603812968 61575754766210 73890905719452 92363632149315 123151509532420 147781811438904 178569688822009 184727264298630 246303019064840 357139377644018 369454528597260 535709066466027 714278755288036 738909057194520 892848444110045 1071418132932054 1428557510576072 1785696888220090 2142836265864108 2678545332330135 3571393776440180 4285672531728216 5357090664660270 7142787552880360 10714181329320540 21428362658641080
• Sum of all divisors σ(n): 66578398502059080
• Sum of proper divisors (its aliquot sum) s(n): 45150035843418000
• 21428362658641080 is an abundant number, because the sum of its proper divisors (45150035843418000) is greater than itself. Its abundance is 23721673184776920

Bases of 21428362658641080

• Binary: 1001100001000001111101101111000011000101111010010111000₂
• Hexadecimal: 0x4C20FB7862F4B8
• Base-36: 5UZPXWN0YBC

Squares and roots of 21428362658641080

• 21428362658641080 squared (21428362658641080²) is 459174726230243414429992263566400
• 21428362658641080 cubed (21428362658641080³) is 9839362557343888825513749023957919103818347712000
• The square root of 21428362658641080 is 146384297.8554772451
• The cube root of 21428362658641080 is 277755.7101174271

Scales and comparisons

• 21,428,362,658,641,080 seconds is equal to 681,355,650 years, 13 weeks, 6 days, 5 hours, 38 minutes.
• To count from 1 to 21,428,362,658,641,080 would take you about two billion, forty-four million, sixty-six thousand, nine 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 21428362658641080 cubic inches would be around 23146.3 feet tall.

Recreational maths with 21428362658641080

• 21428362658641080 backwards is 08014685626382412
• The number of decimal digits it has is: 17
• The sum of 21428362658641080's digits is 66
• More coming soon!