21425245140
21,425,245,140 is an even composite number composed of seven prime numbers multiplied together.
21425245140 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21425245140:
22 × 3 × 5 × 13 × 312 × 101 × 283
(2 × 2 × 3 × 5 × 13 × 31 × 31 × 101 × 283)See below for interesting mathematical facts about the number 21425245140 from the Numbermatics database.
Names of 21425245140
- Cardinal: 21425245140 can be written as Twenty-one billion, four hundred twenty-five million, two hundred forty-five thousand, one hundred forty.
Scientific notation
- Scientific notation: 2.142524514 × 1010
Factors of 21425245140
Divisors of 21425245140
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 10 12 13 15 20 26 30 31 39 52 60 62 65 78 93 101 124 130 155 156 186 195 202 260 283 303 310 372 390 403 404 465 505 566 606 620 780 806 849 930 961 1010 1132 1209 1212 1313 1415 1515 1612 1698 1860 1922 2015 2020 2418 2626 2830 2883 3030 3131 3396 3679 3844 3939 4030 4245 4805 4836 5252 5660 5766 6045 6060 6262 6565 7358 7878 8060 8490 8773 9393 9610 11037 11532 12090 12493 12524 13130 14415 14716 15655 15756 16980 17546 18395 18786 19220 19695 22074 24180 24986 26260 26319 28583 28830 31310 35092 36790 37479 37572 39390 40703 43865 44148 46965 49972 52638 55185 57166 57660 62465 62620 73580 74958 78780 81406 85749 87730 93930 97061 105276 110370 114049 114332 122109 124930 131595 142915 149916 162812 171498 175460 187395 187860 194122 203515 220740 228098 244218 249860 263190 271963 285830 291183 342147 342996 371579 374790 388244 407030 428745 456196 485305 488436 526380 543926 570245 571660 582366 610545 684294 743158 749580 814060 815889 857490 886073 970610 1087852 1114737 1140490 1164732 1221090 1261793 1359815 1368588 1455915 1486316 1631778 1710735 1714980 1772146 1857895 1941220 2229474 2280980 2442180 2523586 2658219 2719630 2911830 3263556 3421470 3535519 3544292 3715790 3785379 4079445 4430365 4458948 5047172 5316438 5439260 5573685 5823660 6308965 6842940 7071038 7431580 7570758 8158890 8860730 10606557 10632876 11147370 11518949 12617930 13291095 14142076 15141516 16317780 17677595 17721460 18926895 21213114 22294740 23037898 25235860 26582190 27468263 34556847 35355190 37853790 42426228 46075796 53032785 53164380 54936526 57594745 69113694 70710380 75707580 82404789 106065570 109873052 115189490 137341315 138227388 164809578 172784235 212131140 230378980 274682630 329619156 345568470 357087419 412023945 549365260 691136940 714174838 824047890 1071262257 1428349676 1648095780 1785437095 2142524514 3570874190 4285049028 5356311285 7141748380 10712622570 21425245140
- Sum of all divisors σ(n): 67655806848
- Sum of proper divisors (its aliquot sum) s(n): 46230561708
- 21425245140 is an abundant number, because the sum of its proper divisors (46230561708) is greater than itself. Its abundance is 24805316568
Bases of 21425245140
- Binary: 100111111010000101101001011110101002
- Hexadecimal: 0x4FD0B4BD4
- Base-36: 9UC1CYC
Squares and roots of 21425245140
- 21425245140 squared (214252451402) is 459041129309093619600
- 21425245140 cubed (214252451403) is 9835068724789769631139908744000
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The
square root of 21425245140 is 146373.6490629375 -
The
cube root of 21425245140 is 2777.4223964353
Scales and comparisons
How big is 21425245140?- 21,425,245,140 seconds is equal to 681 years, 13 weeks, 2 days, 8 hours, 59 minutes.
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To count from 1 to 21,425,245,140 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 21425245140 cubic inches would be around 231.5 feet tall.
Recreational maths with 21425245140
- 21425245140 backwards is 04154252412
- 21425245140 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21425245140's digits is 30
- More coming soon!
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