21840333840

Names of 21840333840

• Cardinal: 21840333840 can be written as Twenty-one billion, eight hundred forty million, three hundred thirty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.184033384 × 10¹⁰

Factors of 21840333840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4802

Divisors of 21840333840

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 29 30 34 36 39 40 45 48 51 52 58 60 65 68 72 78 80 85 87 90 102 104 116 117 120 130 136 144 145 153 156 170 174 180 195 204 208 221 232 234 240 255 260 261 272 290 306 312 340 348 360 377 390 408 435 442 464 468 493 510 520 522 580 585 612 624 663 680 696 720 754 765 780 816 870 884 936 986 1020 1040 1044 1105 1131 1160 1170 1224 1305 1326 1360 1392 1479 1508 1530 1560 1740 1768 1872 1885 1972 1989 2040 2088 2210 2262 2320 2340 2448 2465 2610 2652 2958 3016 3060 3120 3315 3393 3480 3536 3770 3944 3978 4080 4176 4420 4437 4524 4680 4733 4930 5220 5304 5655 5916 6032 6120 6409 6630 6786 6960 7395 7540 7888 7956 8840 8874 9048 9360 9466 9860 9945 10440 10608 11310 11832 12240 12818 13260 13572 14199 14790 15080 15912 16965 17680 17748 18096 18932 19227 19720 19890 20880 22185 22620 23664 23665 25636 26520 27144 28398 29580 30160 31824 32045 33930 35496 37864 38454 39440 39780 42597 44370 45240 47330 51272 53040 54288 56796 57681 59160 61529 64090 67860 70992 70995 75728 76908 79560 80461 85194 88740 90480 94660 96135 102544 113592 115362 118320 123058 128180 135720 137257 141990 153816 159120 160922 170388 177480 184587 189320 192270 212985 227184 230724 241383 246116 256360 271440 274514 283980 288405 307632 307645 321844 340776 354960 369174 378640 384540 402305 411771 425970 461448 482766 492232 512720 549028 553761 567960 576810 615290 643688 681552 686285 724149 738348 769080 804610 823542 851940 922896 922935 965532 984464 1045993 1098056 1107522 1135920 1153620 1206915 1230580 1235313 1287376 1372570 1448298 1476696 1538160 1609220 1647084 1703880 1784341 1845870 1931064 2058855 2091986 2196112 2215044 2307240 2333369 2413830 2461160 2470626 2745140 2768805 2896596 2953392 3137979 3218440 3294168 3407760 3568682 3620745 3691740 3862128 4117710 4183972 4430088 4614480 4666738 4827660 4922320 4941252 5229965 5353023 5490280 5537610 5793192 6176565 6275958 6436880 6588336 7000107 7137364 7241490 7383480 8235420 8367944 8860176 8921705 9333476 9413937 9655320 9882504 10459930 10706046 10980560 11075220 11586384 11666845 12353130 12551916 14000214 14274728 14482980 14766960 15689895 16059069 16470840 16735888 17843410 18666952 18827874 19310640 19765008 20919860 21000321 21412092 22150440 23333690 24706260 25103832 26765115 28000428 28549456 28965960 30333797 31379790 32118138 32941680 35000535 35686820 37333904 37655748 41839720 42000642 42824184 44300880 46667380 47069685 49412520 50207664 53530230 56000856 57931920 60667594 62759580 64236276 70001070 71373640 75311496 80295345 83679440 84001284 85648368 91001391 93334760 94139370 98825040 105001605 107060460 112001712 121335188 125519160 128472552 140002140 142747280 150622992 151668985 160590690 168002568 182002782 186669520 188278740 210003210 214120920 242670376 251038320 256945104 273004173 280004280 303337970 321181380 336005136 364005564 376557480 420006420 428241840 455006955 485340752 546008346 560008560 606675940 642362760 728011128 753114960 840012840 910013910 1092016692 1213351880 1284725520 1365020865 1456022256 1680025680 1820027820 2184033384 2426703760 2730041730 3640055640 4368066768 5460083460 7280111280 10920166920 21840333840
• Sum of all divisors σ(n): 86537898720
• Sum of proper divisors (its aliquot sum) s(n): 64697564880
• 21840333840 is an abundant number, because the sum of its proper divisors (64697564880) is greater than itself. Its abundance is 42857231040

Bases of 21840333840

• Binary: 10100010101110010010000110000010000₂
• Hexadecimal: 0x515C90C10
• Base-36: A1765G0

Squares and roots of 21840333840

• 21840333840 squared (21840333840²) is 477000182242649145600
• 21840333840 cubed (21840333840³) is 10417843221920297225894767104000
• The square root of 21840333840 is 147784.7551001117
• The cube root of 21840333840 is 2795.2442160171

Scales and comparisons

• 21,840,333,840 seconds is equal to 694 years, 23 weeks, 4 days, 15 hours, 24 minutes.
• To count from 1 to 21,840,333,840 would take you about one thousand, three hundred eighty-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 21840333840 cubic inches would be around 232.9 feet tall.

Recreational maths with 21840333840

• 21840333840 backwards is 04833304812
• 21840333840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21840333840's digits is 36
• More coming soon!