21680309700

Names of 21680309700

• Cardinal: 21680309700 can be written as Twenty-one billion, six hundred eighty million, three hundred nine thousand, seven hundred.

Scientific notation

• Scientific notation: 2.16803097 × 10¹⁰

Factors of 21680309700

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 223

Divisors of 21680309700

• Number of divisors d(n): 540
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 25 28 30 35 36 42 45 49 50 60 63 70 75 79 84 90 98 100 105 126 127 140 147 150 158 175 180 196 210 225 237 245 252 254 294 300 315 316 343 350 381 395 420 441 450 474 490 508 525 553 588 630 635 686 700 711 735 762 790 882 889 900 948 980 1029 1050 1106 1143 1185 1225 1260 1270 1372 1422 1470 1524 1575 1580 1659 1715 1764 1778 1905 1975 2058 2100 2205 2212 2286 2370 2401 2450 2540 2667 2765 2844 2940 3087 3150 3175 3318 3430 3555 3556 3675 3810 3871 3950 4116 4410 4445 4572 4740 4802 4900 4977 5145 5334 5530 5715 5925 6174 6223 6300 6350 6636 6860 7110 7203 7350 7620 7742 7900 8001 8295 8575 8820 8890 9525 9604 9954 10033 10290 10668 11025 11060 11430 11613 11850 12005 12348 12446 12700 13335 13825 14220 14406 14700 15435 15484 16002 16590 17150 17775 17780 18669 19050 19355 19908 20066 20580 21609 22050 22225 22860 23226 23700 24010 24885 24892 25725 26670 27097 27650 28575 28812 30099 30870 31115 32004 33180 34300 34839 35550 36015 37338 38100 38710 40005 40132 41475 43218 43561 44100 44450 46452 48020 49770 50165 51450 53340 54194 55300 56007 57150 58065 60025 60198 61740 62230 66675 69678 70231 71100 72030 74676 77175 77420 80010 81291 82950 86436 87122 88900 90297 93345 96775 99540 100330 102900 108045 108388 112014 114300 116130 120050 120396 124425 124460 130683 133350 135485 139356 140462 144060 150495 154350 155575 160020 162582 165900 174195 174244 180075 180594 186690 189679 193550 200025 200660 210693 216090 217805 224028 232260 240100 243873 248850 250825 261366 266700 270970 280035 280924 290325 300990 304927 308700 311150 325164 348390 351155 360150 361188 373380 379358 387100 392049 400050 406455 421386 432180 435610 451485 466725 487746 491617 497700 501650 522732 540225 541940 560070 569037 580650 601980 609854 622300 632079 653415 677425 696780 702310 720300 752475 758716 784098 800100 812910 842772 870975 871220 902970 914781 933450 948395 975492 983234 1003300 1053465 1080450 1089025 1120140 1138074 1161300 1219365 1219708 1264158 1306830 1354850 1400175 1404620 1474851 1504950 1524635 1568196 1625820 1707111 1741950 1755775 1805940 1829562 1866900 1896790 1960245 1966468 2032275 2106930 2160900 2178050 2257425 2276148 2438730 2458085 2528316 2613660 2709700 2744343 2800350 2845185 2949702 3009900 3049270 3160395 3267075 3414222 3441319 3483900 3511550 3659124 3793580 3920490 4064550 4213860 4356100 4424553 4514850 4573905 4741975 4877460 4916170 5267325 5488686 5600700 5690370 5899404 6096825 6098540 6320790 6534150 6828444 6882638 7023100 7374255 7623175 7840980 8129100 8535555 8849106 9029700 9147810 9483950 9801225 9832340 10323957 10534650 10977372 11380740 12193650 12290425 12641580 13068300 13721715 13765276 14225925 14748510 15246350 15801975 17071110 17206595 17698212 18295620 18967900 19602450 20647914 21069300 22122765 22869525 24089233 24387300 24580850 27443430 28451850 29497020 30492700 30971871 31603950 34142220 34413190 36871275 39204900 41295828 42677775 44245530 45739050 48178466 49161700 51619785 54886860 56903700 61943742 63207900 68608575 68826380 72267699 73742550 85355550 86032975 88491060 91478100 96356932 103239570 110613825 120446165 123887484 137217150 144535398 147485100 154859355 170711100 172065950 206479140 216803097 221227650 240892330 258098925 274434300 289070796 309718710 344131900 361338495 433606194 442455300 481784660 516197850 602230825 619437420 722676990 774296775 867212388 1032395700 1084015485 1204461650 1445353980 1548593550 1806692475 2168030970 2408923300 3097187100 3613384950 4336061940 5420077425 7226769900 10840154850 21680309700
• Sum of all divisors σ(n): 80912599040
• Sum of proper divisors (its aliquot sum) s(n): 59232289340
• 21680309700 is an abundant number, because the sum of its proper divisors (59232289340) is greater than itself. Its abundance is 37551979640

Bases of 21680309700

• Binary: 10100001100001111110100010111000100₂
• Hexadecimal: 0x50C3F45C4
• Base-36: 9YJWA10

Squares and roots of 21680309700

• 21680309700 squared (21680309700²) is 470035828687914090000
• 21680309700 cubed (21680309700³) is 10190522336050122118193673000000
• The square root of 21680309700 is 147242.3502257417
• The cube root of 21680309700 is 2788.4005554813

Scales and comparisons

• 21,680,309,700 seconds is equal to 689 years, 19 weeks, 12 hours, 15 minutes.
• To count from 1 to 21,680,309,700 would take you about one thousand, three hundred seventy-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 21680309700 cubic inches would be around 232.4 feet tall.

Recreational maths with 21680309700

• 21680309700 backwards is 00790308612
• 21680309700 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21680309700's digits is 36
• More coming soon!