21211566480
21,211,566,480 is an even composite number composed of seven prime numbers multiplied together.
21211566480 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21211566480:
24 × 32 × 5 × 13 × 31 × 41 × 1783
(2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 31 × 41 × 1783)See below for interesting mathematical facts about the number 21211566480 from the Numbermatics database.
Names of 21211566480
- Cardinal: 21211566480 can be written as Twenty-one billion, two hundred eleven million, five hundred sixty-six thousand, four hundred eighty.
Scientific notation
- Scientific notation: 2.121156648 × 1010
Factors of 21211566480
Divisors of 21211566480
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 30 31 36 39 40 41 45 48 52 60 62 65 72 78 80 82 90 93 104 117 120 123 124 130 144 155 156 164 180 186 195 205 208 234 240 246 248 260 279 310 312 328 360 369 372 390 403 410 465 468 492 496 520 533 558 585 615 620 624 656 720 738 744 780 806 820 930 936 984 1040 1066 1116 1170 1209 1230 1240 1271 1395 1476 1488 1560 1599 1612 1640 1783 1845 1860 1872 1968 2015 2132 2232 2340 2418 2460 2480 2542 2665 2790 2952 3120 3198 3224 3280 3566 3627 3690 3720 3813 4030 4264 4464 4680 4797 4836 4920 5084 5330 5349 5580 5904 6045 6355 6396 6448 7132 7254 7380 7440 7626 7995 8060 8528 8915 9360 9594 9672 9840 10168 10660 10698 11160 11439 12090 12710 12792 14264 14508 14760 15252 15990 16047 16120 16523 17830 18135 19065 19188 19344 20336 21320 21396 22320 22878 23179 23985 24180 25420 25584 26745 28528 29016 29520 30504 31980 32094 32240 33046 35660 36270 38130 38376 42640 42792 45756 46358 47970 48360 49569 50840 53490 55273 57195 58032 61008 63960 64188 66092 69537 71320 72540 73103 76260 76752 80235 82615 85584 91512 92716 95940 96720 99138 101680 106980 110546 114390 115895 127920 128376 132184 139074 142640 145080 146206 148707 152520 160470 165230 165819 183024 185432 191880 198276 208611 213960 219309 221092 228780 231790 247845 256752 264368 276365 278148 290160 292412 297414 305040 320940 330460 331638 347685 365515 370864 383760 396552 417222 427920 438618 442184 457560 463580 495690 497457 552730 556296 584824 594828 641880 657927 660920 663276 695370 718549 731030 743535 793104 829095 834444 877236 884368 915120 927160 950339 991380 994914 1043055 1096545 1105460 1112592 1169648 1189656 1283760 1315854 1321840 1326552 1390740 1437098 1462060 1487070 1658190 1668888 1754472 1854320 1900678 1982760 1989828 2086110 2155647 2193090 2210920 2266193 2379312 2487285 2631708 2653104 2781480 2851017 2874196 2924120 2974140 3289635 3316380 3337776 3508944 3592745 3801356 3965520 3979656 4172220 4311294 4386180 4421840 4532386 4751695 4974570 5263416 5562960 5702034 5748392 5848240 5948280 6466941 6579270 6632760 6798579 7185490 7602712 7959312 8344440 8553051 8622588 8772360 9064772 9503390 9949140 10526832 10778235 11330965 11404068 11496784 11896560 12933882 13158540 13265520 13597158 14255085 14370980 15205424 16688880 17106102 17245176 17544720 18129544 19006780 19898280 20395737 21556470 22661930 22808136 25867764 26317080 27194316 28510170 28741960 29460509 32334705 33992895 34212204 34490352 36259088 38013560 39796560 40791474 42765255 43112940 45323860 45616272 51735528 52634160 54388632 57020340 57483920 58921018 64669410 67985790 68424408 76027120 81582948 85530510 86225880 88381527 90647720 101978685 103471056 108777264 114040680 117842036 129338820 135971580 136848816 147302545 163165896 171061020 172451760 176763054 181295440 203957370 228081360 235684072 258677640 265144581 271943160 294605090 326331792 342122040 353526108 407914740 441907635 471368144 517355280 530289162 543886320 589210180 684244080 707052216 815829480 883815270 1060578324 1178420360 1325722905 1414104432 1631658960 1767630540 2121156648 2356840720 2651445810 3535261080 4242313296 5302891620 7070522160 10605783240 21211566480
- Sum of all divisors σ(n): 81166804992
- Sum of proper divisors (its aliquot sum) s(n): 59955238512
- 21211566480 is an abundant number, because the sum of its proper divisors (59955238512) is greater than itself. Its abundance is 38743672032
Bases of 21211566480
- Binary: 100111100000100111011010001100100002
- Hexadecimal: 0x4F04ED190
- Base-36: 9QSTHG0
Squares and roots of 21211566480
- 21211566480 squared (212115664802) is 449930552535459590400
- 21211566480 cubed (212115664803) is 9543731826489033659123169792000
-
The
square root of 21211566480 is 145641.9118248589 -
The
cube root of 21211566480 is 2768.1582495257
Scales and comparisons
How big is 21211566480?- 21,211,566,480 seconds is equal to 674 years, 24 weeks, 5 hours, 48 minutes.
-
To count from 1 to 21,211,566,480 would take you about one thousand, three hundred forty-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 21211566480 cubic inches would be around 230.7 feet tall.
Recreational maths with 21211566480
- 21211566480 backwards is 08466511212
- 21211566480 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21211566480's digits is 36
- More coming soon!
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