21321679680
21,321,679,680 is an even composite number composed of five prime numbers multiplied together.
21321679680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21321679680:
26 × 33 × 5 × 72 × 50363
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 5 × 7 × 7 × 50363)See below for interesting mathematical facts about the number 21321679680 from the Numbermatics database.
Names of 21321679680
- Cardinal: 21321679680 can be written as Twenty-one billion, three hundred twenty-one million, six hundred seventy-nine thousand, six hundred eighty.
Scientific notation
- Scientific notation: 2.132167968 × 1010
Factors of 21321679680
Divisors of 21321679680
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 49 54 56 60 63 64 70 72 80 84 90 96 98 105 108 112 120 126 135 140 144 147 160 168 180 189 192 196 210 216 224 240 245 252 270 280 288 294 315 320 336 360 378 392 420 432 441 448 480 490 504 540 560 576 588 630 672 720 735 756 784 840 864 882 945 960 980 1008 1080 1120 1176 1260 1323 1344 1440 1470 1512 1568 1680 1728 1764 1890 1960 2016 2160 2205 2240 2352 2520 2646 2880 2940 3024 3136 3360 3528 3780 3920 4032 4320 4410 4704 5040 5292 5880 6048 6615 6720 7056 7560 7840 8640 8820 9408 10080 10584 11760 12096 13230 14112 15120 15680 17640 20160 21168 23520 26460 28224 30240 35280 42336 47040 50363 52920 60480 70560 84672 100726 105840 141120 151089 201452 211680 251815 302178 352541 402904 423360 453267 503630 604356 705082 755445 805808 906534 1007260 1057623 1208712 1359801 1410164 1510890 1611616 1762705 1813068 2014520 2115246 2266335 2417424 2467787 2719602 2820328 3021780 3172869 3223232 3525410 3626136 4029040 4230492 4532670 4834848 4935574 5288115 5439204 5640656 6043560 6345738 6799005 7050820 7252272 7403361 8058080 8460984 9065340 9518607 9669696 9871148 10576230 10878408 11281312 12087120 12338935 12691476 13598010 14101640 14504544 14806722 15864345 16116160 16921968 18130680 19037214 19742296 21152460 21756816 22210083 22562624 24174240 24677870 25382952 27196020 28203280 29009088 29613444 31728690 33843936 36261360 37016805 38074428 39484592 42304920 43513632 44420166 47593035 48348480 49355740 50765904 54392040 56406560 59226888 63457380 66630249 67687872 72522720 74033610 76148856 78969184 84609840 87027264 88840332 95186070 98711480 101531808 108784080 111050415 112813120 118453776 126914760 133260498 145045440 148067220 152297712 157938368 169219680 177680664 190372140 197422960 203063616 217568160 222100830 236907552 253829520 266520996 296134440 304595424 333151245 338439360 355361328 380744280 394845920 435136320 444201660 473815104 507659040 533041992 592268880 609190848 666302490 710722656 761488560 789691840 888403320 1015318080 1066083984 1184537760 1332604980 1421445312 1522977120 1776806640 2132167968 2369075520 2665209960 3045954240 3553613280 4264335936 5330419920 7107226560 10660839840 21321679680
- Sum of all divisors σ(n): 87500399040
- Sum of proper divisors (its aliquot sum) s(n): 66178719360
- 21321679680 is an abundant number, because the sum of its proper divisors (66178719360) is greater than itself. Its abundance is 44857039680
Bases of 21321679680
- Binary: 100111101101101111100000011010000002
- Hexadecimal: 0x4F6DF0340
- Base-36: 9SMDLC0
Squares and roots of 21321679680
- 21321679680 squared (213216796802) is 454614024376524902400
- 21321679680 cubed (213216796803) is 9693134605791975680516063232000
-
The
square root of 21321679680 is 146019.4496633925 -
The
cube root of 21321679680 is 2772.9399934223
Scales and comparisons
How big is 21321679680?- 21,321,679,680 seconds is equal to 677 years, 50 weeks, 16 hours, 48 minutes.
-
To count from 1 to 21,321,679,680 would take you about one thousand, three hundred fifty-five 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 21321679680 cubic inches would be around 231.1 feet tall.
Recreational maths with 21321679680
- 21321679680 backwards is 08697612312
- 21321679680 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21321679680's digits is 45
- More coming soon!
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The information we have on file for 21321679680 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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