20387209920
20,387,209,920 is an even composite number composed of seven prime numbers multiplied together.
20387209920 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 20387209920:
26 × 3 × 5 × 7 × 11 × 389 × 709
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 11 × 389 × 709)See below for interesting mathematical facts about the number 20387209920 from the Numbermatics database.
Names of 20387209920
- Cardinal: 20387209920 can be written as Twenty billion, three hundred eighty-seven million, two hundred nine thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.038720992 × 1010
Factors of 20387209920
Divisors of 20387209920
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 11 12 14 15 16 20 21 22 24 28 30 32 33 35 40 42 44 48 55 56 60 64 66 70 77 80 84 88 96 105 110 112 120 132 140 154 160 165 168 176 192 210 220 224 231 240 264 280 308 320 330 336 352 385 389 420 440 448 462 480 528 560 616 660 672 704 709 770 778 840 880 924 960 1056 1120 1155 1167 1232 1320 1344 1418 1540 1556 1680 1760 1848 1945 2112 2127 2240 2310 2334 2464 2640 2723 2836 3080 3112 3360 3520 3545 3696 3890 4254 4279 4620 4668 4928 4963 5280 5446 5672 5835 6160 6224 6720 7090 7392 7780 7799 8169 8508 8558 9240 9336 9926 10560 10635 10892 11344 11670 12320 12448 12837 13615 14180 14784 14889 15560 15598 16338 17016 17116 18480 18672 19852 21270 21395 21784 22688 23340 23397 24640 24815 24896 25674 27230 28360 29778 29953 31120 31196 32676 34032 34232 36960 37344 38995 39704 40845 42540 42790 43568 45376 46680 46794 49630 51348 54460 54593 56720 59556 59906 62240 62392 64185 65352 68064 68464 73920 74445 74688 77990 79408 81690 85080 85580 87136 89859 93360 93588 99260 102696 108920 109186 113440 116985 119112 119812 124480 124784 128370 130704 136128 136928 148890 149765 155980 158816 163380 163779 170160 171160 174272 179718 186720 187176 198520 205392 217840 218372 226880 233970 238224 239624 249568 256740 261408 272965 273856 275801 297780 299530 311960 317632 326760 327558 340320 342320 359436 373440 374352 397040 410784 435680 436744 449295 467940 476448 479248 499136 513480 522816 545930 551602 595560 599060 623920 653520 655116 680640 684640 718872 748704 794080 818895 821568 827403 871360 873488 898590 935880 952896 958496 1026960 1091860 1103204 1191120 1198120 1247840 1307040 1310232 1369280 1379005 1437744 1497408 1588160 1637790 1654806 1746976 1797180 1871760 1916992 1930607 2053920 2183720 2206408 2382240 2396240 2495680 2614080 2620464 2758010 2875488 3033811 3275580 3309612 3493952 3594360 3743520 3861214 4107840 4137015 4367440 4412816 4764480 4792480 5240928 5516020 5750976 5791821 6067622 6551160 6619224 7188720 7487040 7722428 8274030 8734880 8825632 9101433 9584960 9653035 10481856 11032040 11583642 12135244 13102320 13238448 14377440 15169055 15444856 16548060 17469760 17651264 18202866 19306070 21236677 22064080 23167284 24270488 26204640 26476896 28754880 28959105 30338110 30889712 33096120 36405732 38612140 42473354 44128160 45507165 46334568 48540976 52409280 52953792 57918210 60676220 61779424 63710031 66192240 72811464 77224280 84946708 88256320 91014330 92669136 97081952 106183385 115836420 121352440 123558848 127420062 132384480 145622928 154448560 169893416 182028660 185338272 194163904 212366770 231672840 242704880 254840124 264768960 291245856 308897120 318550155 339786832 364057320 370676544 424733540 463345680 485409760 509680248 582491712 617794240 637100310 679573664 728114640 849467080 926691360 970819520 1019360496 1274200620 1359147328 1456229280 1698934160 1853382720 2038720992 2548401240 2912458560 3397868320 4077441984 5096802480 6795736640 10193604960 20387209920
- Sum of all divisors σ(n): 81023155200
- Sum of proper divisors (its aliquot sum) s(n): 60635945280
- 20387209920 is an abundant number, because the sum of its proper divisors (60635945280) is greater than itself. Its abundance is 40248735360
Bases of 20387209920
- Binary: 100101111110010110000100010110000002
- Hexadecimal: 0x4BF2C22C0
- Base-36: 9D60NUO
Squares and roots of 20387209920
- 20387209920 squared (203872099202) is 415638328322146406400
- 20387209920 cubed (203872099203) is 8473705850301480172250431488000
-
The
square root of 20387209920 is 142783.7873149469 -
The
cube root of 20387209920 is 2731.8232584255
Scales and comparisons
How big is 20387209920?- 20,387,209,920 seconds is equal to 648 years, 13 weeks, 1 hour, 52 minutes.
-
To count from 1 to 20,387,209,920 would take you about one thousand, two hundred ninety-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 20387209920 cubic inches would be around 227.7 feet tall.
Recreational maths with 20387209920
- 20387209920 backwards is 02990278302
- 20387209920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20387209920's digits is 42
- More coming soon!
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The information we have on file for 20387209920 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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