21137518080

Names of 21137518080

• Cardinal: 21137518080 can be written as Twenty-one billion, one hundred thirty-seven million, five hundred eighteen thousand and eighty.

Scientific notation

• Scientific notation: 2.113751808 × 10¹⁰

Factors of 21137518080

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 96

Divisors of 21137518080

• Number of divisors d(n): 720
• 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 79 80 84 90 96 98 105 108 112 120 126 128 135 140 144 147 158 160 168 180 189 192 196 210 216 224 237 240 245 252 256 270 280 288 294 315 316 320 336 360 378 384 392 395 420 432 441 448 474 480 490 504 512 540 553 560 576 588 630 632 640 672 711 720 735 756 768 784 790 840 864 882 896 945 948 960 980 1008 1080 1106 1120 1152 1176 1185 1260 1264 1280 1323 1344 1422 1440 1470 1512 1536 1568 1580 1659 1680 1728 1764 1792 1890 1896 1920 1960 2016 2133 2160 2205 2212 2240 2304 2352 2370 2520 2528 2560 2646 2688 2765 2844 2880 2940 3024 3136 3160 3318 3360 3456 3528 3555 3584 3780 3792 3840 3871 3920 4032 4266 4320 4410 4424 4480 4608 4704 4740 4977 5040 5056 5292 5376 5530 5688 5760 5880 6048 6241 6272 6320 6615 6636 6720 6912 7056 7110 7560 7584 7680 7742 7840 8064 8295 8532 8640 8820 8848 8960 9408 9480 9954 10080 10112 10584 10665 10752 11060 11376 11520 11613 11760 12096 12482 12544 12640 13230 13272 13440 13824 14112 14220 14931 15120 15168 15484 15680 16128 16590 17064 17280 17640 17696 17920 18723 18816 18960 19355 19908 20160 20224 21168 21330 22120 22752 23040 23226 23520 24192 24885 24964 25088 25280 26460 26544 26880 28224 28440 29862 30240 30336 30968 31205 31360 32256 33180 34128 34560 34839 35280 35392 37446 37632 37920 38710 39816 40320 40448 42336 42660 43687 44240 45504 46452 47040 48384 49770 49928 50560 52920 53088 53760 56169 56448 56880 58065 59724 60480 60672 61936 62410 62720 66360 68256 69120 69678 70560 70784 74655 74892 75264 75840 77420 79632 80640 84672 85320 87374 88480 91008 92904 93615 94080 96768 99540 99856 101120 104517 105840 106176 112338 112896 113760 116130 119448 120960 121344 123872 124820 125440 131061 132720 136512 139356 141120 141568 149310 149784 151680 154840 159264 161280 168507 169344 170640 174195 174748 176960 182016 185808 187230 188160 199080 199712 202240 209034 211680 212352 218435 224676 225792 227520 232260 238896 241920 247744 249640 262122 265440 273024 278712 280845 282240 283136 298620 299568 303360 305809 309680 318528 337014 338688 341280 348390 349496 353920 364032 371616 374460 376320 393183 398160 399424 418068 423360 424704 436870 449352 455040 464520 477792 483840 495488 499280 522585 524244 530880 546048 557424 561690 564480 597240 599136 606720 611618 619360 637056 655305 674028 677376 682560 696780 698992 707840 743232 748920 786366 796320 798848 836136 842535 846720 849408 873740 898704 910080 917427 929040 955584 990976 998560 1045170 1048488 1061760 1092096 1114848 1123380 1128960 1179549 1194480 1198272 1223236 1238720 1274112 1310610 1348056 1365120 1393560 1397984 1415680 1486464 1497840 1529045 1572732 1592640 1597696 1672272 1685070 1693440 1747480 1797408 1820160 1834854 1858080 1911168 1965915 1981952 1997120 2090340 2096976 2123520 2229696 2246760 2359098 2388960 2396544 2446472 2477440 2548224 2621220 2696112 2730240 2752281 2787120 2795968 2972928 2995680 3058090 3145464 3185280 3195392 3344544 3370140 3386880 3494960 3594816 3669708 3716160 3822336 3931830 3994240 4180680 4193952 4247040 4459392 4493520 4587135 4718196 4777920 4793088 4892944 4954880 5242440 5392224 5460480 5504562 5574240 5591936 5897745 5945856 5991360 6116180 6290928 6370560 6689088 6740280 6989920 7189632 7339416 7432320 7644672 7863660 7988480 8256843 8361360 8387904 8918784 8987040 9174270 9436392 9555840 9586176 9785888 9909760 10484880 10784448 11009124 11148480 11183872 11795490 11982720 12232360 12581856 12741120 13378176 13480560 13761405 13979840 14379264 14678832 14864640 15727320 15976960 16513686 16722720 16775808 17837568 17974080 18348540 18872784 19111680 19571776 20969760 21568896 22018248 22296960 22367744 23590980 23965440 24464720 25163712 26756352 26961120 27522810 27959680 28758528 29357664 29729280 31454640 33027372 33445440 33551616 35948160 36697080 37745568 38223360 39143552 41284215 41939520 43137792 44036496 44593920 47181960 47930880 48929440 50327424 53512704 53922240 55045620 55919360 58715328 62909280 66054744 66890880 67103232 71896320 73394160 75491136 78287104 82568430 83879040 86275584 88072992 89187840 94363920 97858880 100654848 107844480 110091240 111838720 117430656 125818560 132109488 133781760 143792640 146788320 150982272 156574208 165136860 167758080 176145984 188727840 195717760 201309696 215688960 220182480 234861312 251637120 264218976 267563520 293576640 301964544 330273720 335516160 352291968 377455680 391435520 431377920 440364960 469722624 503274240 528437952 587153280 603929088 660547440 704583936 754911360 782871040 880729920 1006548480 1056875904 1174306560 1321094880 1409167872 1509822720 1761459840 2113751808 2348613120 2642189760 3019645440 3522919680 4227503616 5284379520 7045839360 10568759040 21137518080
• Sum of all divisors σ(n): 88460119440
• Sum of proper divisors (its aliquot sum) s(n): 67322601360
• 21137518080 is an abundant number, because the sum of its proper divisors (67322601360) is greater than itself. Its abundance is 46185083280

Bases of 21137518080

• Binary: 10011101011111001001110111000000000₂
• Hexadecimal: 0x4EBE4EE00
• Base-36: 9PKQDC0

Squares and roots of 21137518080

• 21137518080 squared (21137518080²) is 446794670582326886400
• 21137518080 cubed (21137518080³) is 9444130427481578689750106112000
• The square root of 21137518080 is 145387.4756641713
• The cube root of 21137518080 is 2764.9333317259

Scales and comparisons

• 21,137,518,080 seconds is equal to 672 years, 5 weeks, 4 days, 4 hours, 48 minutes.
• To count from 1 to 21,137,518,080 would take you about one thousand, three hundred forty-four 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 21137518080 cubic inches would be around 230.4 feet tall.

Recreational maths with 21137518080

• 21137518080 backwards is 08081573112
• 21137518080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21137518080's digits is 36
• More coming soon!