21420139200
21,420,139,200 is an even composite number composed of six prime numbers multiplied together.
21420139200 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21420139200:
26 × 3 × 52 × 23 × 251 × 773
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 23 × 251 × 773)See below for interesting mathematical facts about the number 21420139200 from the Numbermatics database.
Names of 21420139200
- Cardinal: 21420139200 can be written as Twenty-one billion, four hundred twenty million, one hundred thirty-nine thousand, two hundred.
Scientific notation
- Scientific notation: 2.14201392 × 1010
Factors of 21420139200
Divisors of 21420139200
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 23 24 25 30 32 40 46 48 50 60 64 69 75 80 92 96 100 115 120 138 150 160 184 192 200 230 240 251 276 300 320 345 368 400 460 480 502 552 575 600 690 736 753 773 800 920 960 1004 1104 1150 1200 1255 1380 1472 1506 1546 1600 1725 1840 2008 2208 2300 2319 2400 2510 2760 3012 3092 3450 3680 3765 3865 4016 4416 4600 4638 4800 5020 5520 5773 6024 6184 6275 6900 7360 7530 7730 8032 9200 9276 10040 11040 11546 11595 12048 12368 12550 13800 15060 15460 16064 17319 17779 18400 18552 18825 19325 20080 22080 23092 23190 24096 24736 25100 27600 28865 30120 30920 34638 35558 36800 37104 37650 38650 40160 46184 46380 48192 49472 50200 53337 55200 57730 57975 60240 61840 69276 71116 74208 75300 77300 80320 86595 88895 92368 92760 100400 106674 110400 115460 115950 120480 123680 138552 142232 144325 148416 150600 154600 173190 177790 184736 185520 194023 200800 213348 230920 231900 240960 247360 266685 277104 284464 288650 301200 309200 346380 355580 369472 371040 388046 401600 426696 432975 444475 461840 463800 533370 554208 568928 577300 582069 602400 618400 692760 711160 742080 776092 853392 865950 888950 923680 927600 970115 1066740 1108416 1137856 1154600 1164138 1204800 1236800 1333425 1385520 1422320 1552184 1706784 1731900 1777900 1847360 1855200 1940230 2133480 2309200 2328276 2666850 2771040 2844640 2910345 3104368 3413568 3463800 3555800 3710400 3880460 4266960 4462529 4618400 4656552 4850575 5333700 5542080 5689280 5820690 6208736 6927600 7111600 7760920 8533920 8925058 9236800 9313104 9701150 10667400 11641380 12417472 13387587 13855200 14223200 14551725 15521840 17067840 17850116 18626208 19402300 21334800 22312645 23282760 26775174 27710400 28446400 29103450 31043680 35700232 37252416 38804600 42669600 44625290 46565520 53550348 58206900 62087360 66937935 71400464 77609200 85339200 89250580 93131040 107100696 111563225 116413800 133875870 142800928 155218400 178501160 186262080 214201392 223126450 232827600 267751740 285601856 310436800 334689675 357002320 428402784 446252900 465655200 535503480 669379350 714004640 856805568 892505800 931310400 1071006960 1338758700 1428009280 1785011600 2142013920 2677517400 3570023200 4284027840 5355034800 7140046400 10710069600 21420139200
- Sum of all divisors σ(n): 73718781696
- Sum of proper divisors (its aliquot sum) s(n): 52298642496
- 21420139200 is an abundant number, because the sum of its proper divisors (52298642496) is greater than itself. Its abundance is 30878503296
Bases of 21420139200
- Binary: 100111111001011110101100010110000002
- Hexadecimal: 0x4FCBD62C0
- Base-36: 9U8ZX6O
Squares and roots of 21420139200
- 21420139200 squared (214201392002) is 458822363347376640000
- 21420139200 cubed (214201392003) is 9828038890973785583628288000000
-
The
square root of 21420139200 is 146356.2065646689 -
The
cube root of 21420139200 is 2777.2017458475
Scales and comparisons
How big is 21420139200?- 21,420,139,200 seconds is equal to 681 years, 4 weeks, 6 days, 6 hours, 40 minutes.
-
To count from 1 to 21,420,139,200 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 21420139200 cubic inches would be around 231.4 feet tall.
Recreational maths with 21420139200
- 21420139200 backwards is 00293102412
- 21420139200 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21420139200's digits is 24
- More coming soon!
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