21420863600
21,420,863,600 is an even composite number composed of six prime numbers multiplied together.
21420863600 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21420863600:
24 × 52 × 17 × 31 × 307 × 331
(2 × 2 × 2 × 2 × 5 × 5 × 17 × 31 × 307 × 331)See below for interesting mathematical facts about the number 21420863600 from the Numbermatics database.
Names of 21420863600
- Cardinal: 21420863600 can be written as Twenty-one billion, four hundred twenty million, eight hundred sixty-three thousand, six hundred.
Scientific notation
- Scientific notation: 2.14208636 × 1010
Factors of 21420863600
Divisors of 21420863600
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 4 5 8 10 16 17 20 25 31 34 40 50 62 68 80 85 100 124 136 155 170 200 248 272 307 310 331 340 400 425 496 527 614 620 662 680 775 850 1054 1228 1240 1324 1360 1535 1550 1655 1700 2108 2456 2480 2635 2648 3070 3100 3310 3400 4216 4912 5219 5270 5296 5627 6140 6200 6620 6800 7675 8275 8432 9517 10261 10438 10540 11254 12280 12400 13175 13240 15350 16550 19034 20522 20876 21080 22508 24560 26095 26350 26480 28135 30700 33100 38068 41044 41752 42160 45016 47585 51305 52190 52700 56270 61400 66200 76136 82088 83504 90032 95170 101617 102610 104380 105400 112540 122800 130475 132400 140675 152272 161789 164176 174437 190340 203234 205220 208760 210800 225080 237925 256525 260950 281350 323578 348874 380680 406468 410440 417520 450160 475850 508085 513050 521900 562700 647156 697748 761360 808945 812936 820880 872185 951700 1016170 1026100 1043800 1125400 1294312 1395496 1617890 1625872 1727489 1744370 1903400 2032340 2052200 2087600 2250800 2540425 2588624 2790992 3150127 3235780 3454978 3488740 3806800 4044725 4064680 4104400 4360925 5080850 6300254 6471560 6909956 6977480 8089450 8129360 8637445 8721850 10161700 12600508 12943120 13819912 13954960 15750635 16178900 17274890 17443700 20323400 25201016 27639824 31501270 32357800 34549780 34887400 40646800 43187225 50402032 53552159 63002540 64715600 69099560 69774800 78753175 86374450 107104318 126005080 138199120 157506350 172748900 214208636 252010160 267760795 315012700 345497800 428417272 535521590 630025400 690995600 856834544 1071043180 1260050800 1338803975 2142086360 2677607950 4284172720 5355215900 10710431800 21420863600
- Sum of all divisors σ(n): 56602377216
- Sum of proper divisors (its aliquot sum) s(n): 35181513616
- 21420863600 is an abundant number, because the sum of its proper divisors (35181513616) is greater than itself. Its abundance is 13760650016
Bases of 21420863600
- Binary: 100111111001100100001110000011100002
- Hexadecimal: 0x4FCC87070
- Base-36: 9U9FG4W
Squares and roots of 21420863600
- 21420863600 squared (214208636002) is 458853397369804960000
- 21420863600 cubed (214208636003) is 9829036037455190806763456000000
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The
square root of 21420863600 is 146358.6813277573 -
The
cube root of 21420863600 is 2777.2330525577
Scales and comparisons
How big is 21420863600?- 21,420,863,600 seconds is equal to 681 years, 6 weeks, 15 hours, 53 minutes, 20 seconds.
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To count from 1 to 21,420,863,600 would take you about one thousand, three hundred sixty-two 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 21420863600 cubic inches would be around 231.4 feet tall.
Recreational maths with 21420863600
- 21420863600 backwards is 00636802412
- The number of decimal digits it has is: 11
- The sum of 21420863600's digits is 32
- More coming soon!
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