21125187121680
21,125,187,121,680 is an even composite number composed of six prime numbers multiplied together.
21125187121680 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 21125187121680:
24 × 34 × 5 × 79 × 2579 × 16001
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 79 × 2579 × 16001)See below for interesting mathematical facts about the number 21125187121680 from the Numbermatics database.
Names of 21125187121680
- Cardinal: 21125187121680 can be written as Twenty-one trillion, one hundred twenty-five billion, one hundred eighty-seven million, one hundred twenty-one thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.112518712168 × 1013
Factors of 21125187121680
Divisors of 21125187121680
- Number of divisors d(n): 400
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 72 79 80 81 90 108 120 135 144 158 162 180 216 237 240 270 316 324 360 395 405 432 474 540 632 648 711 720 790 810 948 1080 1185 1264 1296 1422 1580 1620 1896 2133 2160 2370 2579 2844 3160 3240 3555 3792 4266 4740 5158 5688 6320 6399 6480 7110 7737 8532 9480 10316 10665 11376 12798 12895 14220 15474 16001 17064 18960 20632 21330 23211 25596 25790 28440 30948 31995 32002 34128 38685 41264 42660 46422 48003 51192 51580 56880 61896 63990 64004 69633 77370 80005 85320 92844 96006 102384 103160 116055 123792 127980 128008 139266 144009 154740 160010 170640 185688 192012 203741 206320 208899 232110 240015 255960 256016 278532 288018 309480 320020 348165 371376 384024 407482 417798 432027 464220 480030 511920 557064 576036 611223 618960 640040 696330 720045 768048 814964 835596 864054 928440 960060 1018705 1044495 1114128 1152072 1222446 1264079 1280080 1296081 1392660 1440090 1629928 1671192 1728108 1833669 1856880 1920120 2037410 2088990 2160135 2304144 2444892 2528158 2592162 2785320 2880180 3056115 3259856 3342384 3456216 3667338 3792237 3840240 4074820 4177980 4320270 4889784 5056316 5184324 5501007 5570640 5760360 6112230 6320395 6480405 6912432 7334676 7584474 8149640 8355960 8640540 9168345 9779568 10112632 10368648 11002014 11376711 11520720 12224460 12640790 12960810 14669352 15168948 16299280 16503021 16711920 17281080 18336690 18961185 20225264 20737296 22004028 22753422 24448920 25281580 25921620 27505035 29338704 30337896 33006042 34130133 34562160 36673380 37922370 41266579 44008056 45506844 48897840 50563160 51843240 55010070 56883555 60675792 66012084 68260266 73346760 75844740 82515105 82533158 88016112 91013688 101126320 102390399 103686480 110020140 113767110 123799737 132024168 136520532 146693520 151689480 165030210 165066316 170650665 182027376 204780798 206332895 220040280 227534220 247599474 264048336 273041064 303378960 330060420 330132632 341301330 371399211 409561596 412665790 440080560 455068440 495198948 511951995 546082128 618998685 660120840 660265264 682602660 742798422 819123192 825331580 910136880 990397896 1023903990 1114197633 1237997370 1320241680 1365205320 1485596844 1638246384 1650663160 1856996055 1980795792 2047807980 2228395266 2475994740 2730410640 2971193688 3260059741 3301326320 3342592899 3713992110 4095615960 4456790532 4951989480 5570988165 5942387376 6520119482 6685185798 7427984220 8191231920 8913581064 9780179223 9903978960 11141976330 13040238964 13370371596 14855968440 16300298705 16712964495 17827162128 19560358446 22283952660 26080477928 26740743192 29340537669 29711936880 32600597410 33425928990 39120716892 44567905320 48900896115 52160955856 53481486384 58681075338 65201194820 66851857980 78241433784 88021613007 89135810640 97801792230 117362150676 130402389640 133703715960 146702688345 156482867568 176043226014 195603584460 234724301352 260804779280 264064839021 267407431920 293405376690 352086452028 391207168920 440108065035 469448602704 528129678042 586810753380 704172904056 782414337840 880216130070 1056259356084 1173621506760 1320324195105 1408345808112 1760432260140 2112518712168 2347243013520 2640648390210 3520864520280 4225037424336 5281296780420 7041729040560 10562593560840 21125187121680
- Sum of all divisors σ(n): 74333104876800
- Sum of proper divisors (its aliquot sum) s(n): 53207917755120
- 21125187121680 is an abundant number, because the sum of its proper divisors (53207917755120) is greater than itself. Its abundance is 32082730633440
Bases of 21125187121680
- Binary: 1001100110110100101110100011000110010000100002
- Hexadecimal: 0x133697463210
- Base-36: 7HKRYZ500
Squares and roots of 21125187121680
- 21125187121680 squared (211251871216802) is 446273530925994523126022400
- 21125187121680 cubed (211251871216803) is 9427611848264480705088061340163205632000
-
The
square root of 21125187121680 is 4596214.4338226867 -
The
cube root of 21125187121680 is 27643.9556897415
Scales and comparisons
How big is 21125187121680?- 21,125,187,121,680 seconds is equal to 671,715 years, 31 weeks, 3 days, 13 hours, 48 minutes.
-
To count from 1 to 21,125,187,121,680 would take you about one million, six hundred seventy-nine thousand, two hundred eighty-nine 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 21125187121680 cubic inches would be around 2303.7 feet tall.
Recreational maths with 21125187121680
- 21125187121680 backwards is 08612178152112
- 21125187121680 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21125187121680's digits is 45
- More coming soon!
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