21013284240
21,013,284,240 is an even composite number composed of six prime numbers multiplied together.
21013284240 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21013284240:
24 × 32 × 5 × 132 × 59 × 2927
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 13 × 59 × 2927)See below for interesting mathematical facts about the number 21013284240 from the Numbermatics database.
Names of 21013284240
- Cardinal: 21013284240 can be written as Twenty-one billion, thirteen million, two hundred eighty-four thousand, two hundred forty.
Scientific notation
- Scientific notation: 2.101328424 × 1010
Factors of 21013284240
Divisors of 21013284240
- Number of divisors d(n): 360
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 36 39 40 45 48 52 59 60 65 72 78 80 90 104 117 118 120 130 144 156 169 177 180 195 208 234 236 240 260 295 312 338 354 360 390 468 472 507 520 531 585 590 624 676 708 720 767 780 845 885 936 944 1014 1040 1062 1170 1180 1352 1416 1521 1534 1560 1690 1770 1872 2028 2124 2301 2340 2360 2535 2655 2704 2832 2927 3042 3068 3120 3380 3540 3835 4056 4248 4602 4680 4720 5070 5310 5854 6084 6136 6760 6903 7080 7605 7670 8112 8496 8781 9204 9360 9971 10140 10620 11505 11708 12168 12272 13520 13806 14160 14635 15210 15340 17562 18408 19942 20280 21240 23010 23416 24336 26343 27612 29270 29913 30420 30680 34515 35124 36816 38051 39884 40560 42480 43905 46020 46832 49855 52686 55224 58540 59826 60840 61360 69030 70248 76102 79768 87810 89739 92040 99710 105372 110448 114153 117080 119652 121680 131715 138060 140496 149565 152204 159536 172693 175620 179478 184080 190255 199420 210744 228306 234160 239304 263430 276120 299130 304408 342459 345386 351240 358956 380510 398840 421488 448695 456612 478608 494663 518079 526860 552240 570765 598260 608816 684918 690772 702480 717912 761020 797680 863465 897390 913224 989326 1036158 1053720 1141530 1196520 1369836 1381544 1435824 1483989 1522040 1554237 1712295 1726930 1794780 1826448 1978652 2072316 2107440 2245009 2283060 2393040 2473315 2590395 2739672 2763088 2967978 3044080 3108474 3424590 3453860 3589560 3957304 4144632 4451967 4490018 4566120 4946630 5180790 5479344 5935956 6216948 6735027 6849180 6907720 7179120 7419945 7771185 7914608 8289264 8903934 8980036 9132240 9893260 10361580 11225045 11871912 12433896 13470054 13698360 13815440 14839890 15542370 17807868 17960072 19786520 20205081 20723160 22259835 22450090 23743824 24867792 26940108 27396720 29185117 29679780 31084740 33675135 35615736 35920144 39573040 40410162 41446320 44519670 44900180 53880216 58370234 59359560 62169480 67350270 71231472 80820324 87555351 89039340 89800360 101025405 107760432 116740468 118719120 124338960 134700540 145925585 161640648 175110702 178078680 179600720 202050810 233480936 262666053 269401080 291851170 323281296 350221404 356157360 404101620 437776755 466961872 525332106 538802160 583702340 700442808 808203240 875553510 1050664212 1167404680 1313330265 1400885616 1616406480 1751107020 2101328424 2334809360 2626660530 3502214040 4202656848 5253321060 7004428080 10506642120 21013284240
- Sum of all divisors σ(n): 77737345920
- Sum of proper divisors (its aliquot sum) s(n): 56724061680
- 21013284240 is an abundant number, because the sum of its proper divisors (56724061680) is greater than itself. Its abundance is 35710777440
Bases of 21013284240
- Binary: 100111001000111110101000101100100002
- Hexadecimal: 0x4E47D4590
- Base-36: 9NIRLW0
Squares and roots of 21013284240
- 21013284240 squared (210132842402) is 441558114551032377600
- 21013284240 cubed (210132842403) is 9278586169539323335951809024000
-
The
square root of 21013284240 is 144959.5951981103 -
The
cube root of 21013284240 is 2759.5058031353
Scales and comparisons
How big is 21013284240?- 21,013,284,240 seconds is equal to 668 years, 8 weeks, 1 day, 7 hours, 24 minutes.
-
To count from 1 to 21,013,284,240 would take you about one thousand, three hundred thirty-six 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 21013284240 cubic inches would be around 230 feet tall.
Recreational maths with 21013284240
- 21013284240 backwards is 04248231012
- The number of decimal digits it has is: 11
- The sum of 21013284240's digits is 27
- More coming soon!
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