21489981376160
21,489,981,376,160 is an even composite number composed of seven prime numbers multiplied together.
21489981376160 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21489981376160:
25 × 5 × 11 × 53 × 131 × 1093 × 1609
(2 × 2 × 2 × 2 × 2 × 5 × 11 × 53 × 131 × 1093 × 1609)See below for interesting mathematical facts about the number 21489981376160 from the Numbermatics database.
Names of 21489981376160
- Cardinal: 21489981376160 can be written as Twenty-one trillion, four hundred eighty-nine billion, nine hundred eighty-one million, three hundred seventy-six thousand, one hundred sixty.
Scientific notation
- Scientific notation: 2.148998137616 × 1013
Factors of 21489981376160
Divisors of 21489981376160
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 8 10 11 16 20 22 32 40 44 53 55 80 88 106 110 131 160 176 212 220 262 265 352 424 440 524 530 583 655 848 880 1048 1060 1093 1166 1310 1441 1609 1696 1760 2096 2120 2186 2332 2620 2882 2915 3218 4192 4240 4372 4664 5240 5465 5764 5830 6436 6943 7205 8045 8480 8744 9328 10480 10930 11528 11660 12023 12872 13886 14410 16090 17488 17699 18656 20960 21860 23056 23320 24046 25744 27772 28820 32180 34715 34976 35398 43720 46112 46640 48092 51488 55544 57640 57929 60115 64360 69430 70796 76373 85277 87440 88495 93280 96184 111088 115280 115858 120230 128720 138860 141592 143183 152746 170554 174880 176990 192368 210779 222176 230560 231716 240460 257440 277720 283184 286366 289645 305492 341108 353980 381865 384736 421558 426385 463432 480920 555440 566368 572732 579290 610984 637219 682216 707960 715915 763730 843116 852770 926864 938047 961840 1053895 1110880 1145464 1158580 1221968 1274438 1364432 1415920 1431830 1527460 1575013 1686232 1705540 1758637 1853728 1876094 1923680 2107790 2290928 2317160 2318569 2443936 2548876 2728864 2831840 2863660 3054920 3150026 3186095 3372464 3411080 3517274 3752188 4215580 4581856 4634320 4637138 4690235 5097752 5727320 6109840 6300052 6372190 6744928 6822160 7034548 7504376 7588699 7875065 8431160 8793185 9268640 9274276 9380470 10195504 11171287 11454640 11592845 12219680 12600104 12744380 13644320 14069096 15008752 15177398 15750130 16862320 17586370 18548552 18760940 19345007 20391008 22342574 22909280 23185690 25200208 25488760 28138192 30017504 30354796 31500260 33724640 35172740 37097104 37521880 37943495 38690014 44685148 46371380 50400416 50977520 55856435 56276384 60709592 63000520 70345480 74194208 75043760 75886990 77380028 83475689 89370296 92742760 93207761 96725035 101955040 111712870 121419184 122884157 126001040 140690960 150087520 151773980 154760056 166951378 178740592 185485520 186415522 193450070 223425740 230381447 242838368 245768314 252002080 281381920 303547960 309520112 333902756 357481184 370971040 372831044 386900140 417378445 446851480 460762894 466038805 491536628 607095920 614420785 619040224 667805512 745662088 773800280 834756890 893702960 921525788 932077610 983073256 1025285371 1151907235 1214191840 1228841570 1335611024 1491324176 1547600560 1669513780 1787405920 1843051576 1864155220 1966146512 2050570742 2303814470 2457683140 2534195917 2671222048 2982648352 3095201120 3339027560 3686103152 3728310440 3932293024 4101141484 4607628940 4915366280 5068391834 5126426855 6678055120 7372206304 7456620880 8202282968 9215257880 9830732560 10136783668 10252853710 12210216691 12670979585 13356110240 14913241760 16404565936 18430515760 19661465120 20273567336 20505707420 24420433382 25341959170 32809131872 36861031520 40547134672 41011414840 48840866764 50683918340 61051083455 81094269344 82022829680 97681733528 101367836680 122102166910 134312383601 164045659360 195363467056 202735673360 244204333820 268624767202 390726934112 405471346720 488408667640 537249534404 671561918005 976817335280 1074499068808 1343123836010 1953634670560 2148998137616 2686247672020 4297996275232 5372495344040 10744990688080 21489981376160
- Sum of all divisors σ(n): 56948715774720
- Sum of proper divisors (its aliquot sum) s(n): 35458734398560
- 21489981376160 is an abundant number, because the sum of its proper divisors (35458734398560) is greater than itself. Its abundance is 13968753022400
Bases of 21489981376160
- Binary: 1001110001011100001101011010011000110101000002
- Hexadecimal: 0x138B86B4C6A0
- Base-36: 7M8D0217K
Squares and roots of 21489981376160
- 21489981376160 squared (214899813761602) is 461819299547703647416345600
- 21489981376160 cubed (214899813761603) is 9924488146431407694472170045566160896000
-
The
square root of 21489981376160 is 4635728.7858717535 -
The
cube root of 21489981376160 is 27802.1690491225
Scales and comparisons
How big is 21489981376160?- 21,489,981,376,160 seconds is equal to 683,314 years, 48 weeks, 4 days, 7 hours, 9 minutes, 20 seconds.
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To count from 1 to 21,489,981,376,160 would take you about one million, seven hundred eight thousand, two hundred eighty-seven 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 21489981376160 cubic inches would be around 2316.8 feet tall.
Recreational maths with 21489981376160
- 21489981376160 backwards is 06167318998412
- The number of decimal digits it has is: 14
- The sum of 21489981376160's digits is 65
- More coming soon!
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