21369355280
21,369,355,280 is an even composite number composed of seven prime numbers multiplied together.
21369355280 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21369355280:
24 × 5 × 7 × 13 × 29 × 127 × 797
(2 × 2 × 2 × 2 × 5 × 7 × 13 × 29 × 127 × 797)See below for interesting mathematical facts about the number 21369355280 from the Numbermatics database.
Names of 21369355280
- Cardinal: 21369355280 can be written as Twenty-one billion, three hundred sixty-nine million, three hundred fifty-five thousand, two hundred eighty.
Scientific notation
- Scientific notation: 2.136935528 × 1010
Factors of 21369355280
Divisors of 21369355280
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 26 28 29 35 40 52 56 58 65 70 80 91 104 112 116 127 130 140 145 182 203 208 232 254 260 280 290 364 377 406 455 464 508 520 560 580 635 728 754 797 812 889 910 1015 1016 1040 1160 1270 1456 1508 1594 1624 1651 1778 1820 1885 2030 2032 2320 2540 2639 3016 3188 3248 3302 3556 3640 3683 3770 3985 4060 4445 5080 5278 5579 6032 6376 6604 7112 7280 7366 7540 7970 8120 8255 8890 10160 10361 10556 11158 11557 12752 13195 13208 14224 14732 15080 15940 16240 16510 17780 18415 20722 21112 22316 23113 23114 25781 26390 26416 27895 29464 30160 31880 33020 35560 36830 41444 42224 44632 46226 46228 47879 51562 51805 52780 55790 57785 58928 63760 66040 71120 72527 73660 82888 89264 92452 92456 95758 101219 103124 103610 105560 111580 115565 115570 128905 132080 145054 147320 161791 165776 184904 184912 191516 202438 206248 207220 211120 223160 231130 231140 239395 257810 290108 294640 300469 323582 335153 362635 369808 383032 404876 412496 414440 446320 462260 462280 478790 506095 515620 580216 600938 647164 670306 708533 725270 766064 808955 809752 828880 924520 924560 957580 1012190 1031240 1160432 1201876 1294328 1315847 1340612 1417066 1450540 1502345 1617910 1619504 1675765 1849040 1915160 2024380 2062480 2103283 2403752 2588656 2631694 2681224 2834132 2901080 2935351 3004690 3235820 3351530 3542665 3830320 4048760 4206566 4807504 5263388 5362448 5668264 5802160 5870702 6009380 6471640 6579235 6703060 7085330 8097520 8413132 9210929 10516415 10526776 11336528 11741404 12018760 12943280 13158470 13406120 14170660 14676755 16826264 18421858 20547457 21032830 21053552 23482808 24037520 26316940 26812240 28341320 29353510 33652528 36843716 38159563 41094914 42065660 46054645 46965616 52633880 56682640 58707020 73687432 76319126 82189828 84131320 92109290 102737285 105267760 117414040 147374864 152638252 164379656 168262640 184218580 190797815 205474570 234828080 267116941 305276504 328759312 368437160 381595630 410949140 534233882 610553008 736874320 763191260 821898280 1068467764 1335584705 1526382520 1643796560 2136935528 2671169410 3052765040 4273871056 5342338820 10684677640 21369355280
- Sum of all divisors σ(n): 63835914240
- Sum of proper divisors (its aliquot sum) s(n): 42466558960
- 21369355280 is an abundant number, because the sum of its proper divisors (42466558960) is greater than itself. Its abundance is 21097203680
Bases of 21369355280
- Binary: 100111110011011011001111100000100002
- Hexadecimal: 0x4F9B67C10
- Base-36: 9TERG28
Squares and roots of 21369355280
- 21369355280 squared (213693552802) is 456649345082863878400
- 21369355280 cubed (213693552803) is 9758302093455039257408317952000
-
The
square root of 21369355280 is 146182.6093623999 -
The
cube root of 21369355280 is 2775.0052335479
Scales and comparisons
How big is 21369355280?- 21,369,355,280 seconds is equal to 679 years, 24 weeks, 6 days, 12 hours, 1 minute, 20 seconds.
-
To count from 1 to 21,369,355,280 would take you about one thousand, three hundred fifty-eight 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 21369355280 cubic inches would be around 231.3 feet tall.
Recreational maths with 21369355280
- 21369355280 backwards is 08255396312
- The number of decimal digits it has is: 11
- The sum of 21369355280's digits is 44
- More coming soon!
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