21016357774992720
21,016,357,774,992,720 is an even composite number composed of five prime numbers multiplied together.
21016357774992720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred twenty divisors.
Prime factorization of 21016357774992720:
24 × 32 × 5 × 7 × 4169912256943
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 4169912256943)See below for interesting mathematical facts about the number 21016357774992720 from the Numbermatics database.
Names of 21016357774992720
- Cardinal: 21016357774992720 can be written as Twenty-one quadrillion, sixteen trillion, three hundred fifty-seven billion, seven hundred seventy-four million, nine hundred ninety-two thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.101635777499272 × 1016
Factors of 21016357774992720
- Number of distinct prime factors ω(n): 5
- Total number of prime factors Ω(n): 9
- Sum of prime factors: 4169912256960
Divisors of 21016357774992720
- Number of divisors d(n): 120
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 35 36 40 42 45 48 56 60 63 70 72 80 84 90 105 112 120 126 140 144 168 180 210 240 252 280 315 336 360 420 504 560 630 720 840 1008 1260 1680 2520 5040 4169912256943 8339824513886 12509736770829 16679649027772 20849561284715 25019473541658 29189385798601 33359298055544 37529210312487 41699122569430 50038947083316 58378771597202 62548683854145 66718596111088 75058420624974 83398245138860 87568157395803 100077894166632 116757543194404 125097367708290 145946928993005 150116841249948 166796490277720 175136314791606 187646051562435 200155788333264 233515086388808 250194735416580 262704472187409 291893857986010 300233682499896 333592980555440 350272629583212 375292103124870 437840786979015 467030172777616 500389470833160 525408944374818 583787715972020 600467364999792 700545259166424 750584206249740 875681573958030 1000778941666320 1050817888749636 1167575431944040 1313522360937045 1401090518332848 1501168412499480 1751363147916060 2101635777499272 2335150863888080 2627044721874090 3002336824998960 3502726295832120 4203271554998544 5254089443748180 7005452591664240 10508178887496360 21016357774992720
- Sum of all divisors σ(n): 80662782698324736
- Sum of proper divisors (its aliquot sum) s(n): 59646424923332016
- 21016357774992720 is an abundant number, because the sum of its proper divisors (59646424923332016) is greater than itself. Its abundance is 38630067148339296
Bases of 21016357774992720
- Binary: 10010101010101001000100000110111010011010100101010100002
- Hexadecimal: 0x4AAA441BA6A550
- Base-36: 5QXODH4YB80
Squares and roots of 21016357774992720
- 21016357774992720 squared (210163577749927202) is 441687294126496952455796052998400
- 21016357774992720 cubed (210163577749927203) is 9282658198030900576756933824433357707294171648000
-
The
square root of 21016357774992720 is 144970196.1611169235 -
The
cube root of 21016357774992720 is 275964.0337462461
Scales and comparisons
How big is 21016357774992720?- 21,016,357,774,992,720 seconds is equal to 668,255,169 years, 19 weeks, 6 days, 12 minutes.
-
To count from 1 to 21,016,357,774,992,720 would take you about two billion, four million, seven hundred sixty-five thousand, five hundred eight 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 21016357774992720 cubic inches would be around 22997 feet tall.
Recreational maths with 21016357774992720
- 21016357774992720 backwards is 02729947775361012
- 21016357774992720 is a
Harshad number . - The number of decimal digits it has is: 17
- The sum of 21016357774992720's digits is 72
- More coming soon!
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