21684724341984

Names of 21684724341984

• Cardinal: 21684724341984 can be written as Twenty-one trillion, six hundred eighty-four billion, seven hundred twenty-four million, three hundred forty-one thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 2.1684724341984 × 10¹³

Factors of 21684724341984

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 62289

Divisors of 21684724341984

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 22 24 27 32 33 36 44 48 54 66 71 72 88 96 99 108 132 142 144 176 198 213 216 264 284 288 297 352 396 426 432 521 528 568 594 639 781 792 852 864 1042 1056 1136 1188 1278 1562 1563 1584 1704 1917 2084 2272 2343 2376 2556 3124 3126 3168 3408 3834 4168 4686 4689 4752 5112 5731 6248 6252 6816 7029 7668 8336 9372 9378 9504 10224 11462 12496 12504 14058 14067 15336 16672 17193 18744 18756 20448 21087 22924 24992 25008 28116 28134 30672 34386 36991 37488 37512 42174 45848 50016 51579 56232 56268 61344 61681 68772 73982 74976 75024 84348 91696 103158 110973 112464 112536 123362 137544 147964 150048 154737 168696 183392 185043 206316 221946 224928 225072 246724 275088 295928 309474 332919 337392 370086 406901 412632 443892 450144 493448 550176 555129 591856 618948 665838 674784 678491 740172 813802 825264 887784 986896 998757 1110258 1183712 1220703 1237896 1331676 1356982 1480344 1627604 1650528 1665387 1775568 1973792 1997514 2035473 2220516 2441406 2475792 2663352 2713964 2960688 3255208 3330774 3551136 3662109 3995028 4070946 4379351 4441032 4882812 4951584 5326704 5427928 5921376 6106419 6510416 6661548 7324218 7990056 8141892 8758702 8882064 9765624 10653408 10855856 10986327 12212838 13020832 13138053 13323096 14648436 15980112 16283784 17517404 17764128 18319257 19531248 21711712 21972654 24425676 26276106 26646192 29296872 31960224 32135801 32567568 35034808 36638514 39062496 39414159 43945308 48172861 48851352 52552212 53292384 58593744 64271602 65135136 70069616 73277028 78828318 87890616 96345722 96407403 97702704 105104424 117187488 118242477 128543204 140139232 144518583 146554056 157656636 175781232 192691444 192814806 195405408 210208848 236484954 257086408 289037166 289222209 293108112 315313272 351562464 353493811 385382888 385629612 420417696 433555749 472969908 514172816 578074332 578444418 586216224 630626544 706987622 770765776 771259224 867111498 867666627 945939816 1028345632 1060481433 1156148664 1156888836 1261253088 1300667247 1413975244 1541531552 1542518448 1734222996 1735333254 1891879632 2120962866 2281641871 2312297328 2313777672 2601334494 2827950488 3085036896 3181444299 3468445992 3470666508 3783759264 4241925732 4563283742 4624594656 4627555344 5202668988 5655900976 6362888598 6844925613 6936891984 6941333016 8483851464 9126567484 9255110688 9544332897 10405337976 11311801952 12725777196 13689851226 13873783968 13882666032 16967702928 18253134968 19088665794 20534776839 20810675952 25098060581 25451554392 27379702452 27765332064 33935405856 36506269936 38177331588 41069553678 41621351904 50196121162 50903108784 54759404904 61604330517 73012539872 75294181743 76354663176 82139107356 100392242324 101806217568 109518809808 123208661034 150588363486 152709326352 164278214712 200784484648 219037619616 225882545229 246417322068 301176726972 305418652704 328556429424 401568969296 451765090458 492834644136 602353453944 657112858848 677647635687 803137938592 903530180916 985669288272 1204706907888 1355295271374 1807060361832 1971338576544 2409413815776 2710590542748 3614120723664 5421181085496 7228241447328 10842362170992 21684724341984
• Sum of all divisors σ(n): 70104070149120
• Sum of proper divisors (its aliquot sum) s(n): 48419345807136
• 21684724341984 is an abundant number, because the sum of its proper divisors (48419345807136) is greater than itself. Its abundance is 26734621465152

Bases of 21684724341984

• Binary: 100111011100011011110010010101001110011100000₂
• Hexadecimal: 0x13B8DE4A9CE0
• Base-36: 7OPTOZNC0

Squares and roots of 21684724341984

• 21684724341984 squared (21684724341984²) is 470227269787833421785056256
• 21684724341984 cubed (21684724341984³) is 10196748723432908940506957151574022651904
• The square root of 21684724341984 is 4656685.9827546885
• The cube root of 21684724341984 is 27885.8980484939

Scales and comparisons

• 21,684,724,341,984 seconds is equal to 689,507 years, 8 weeks, 1 day, 19 hours, 26 minutes, 24 seconds.
• To count from 1 to 21,684,724,341,984 would take you about one million, seven hundred twenty-three thousand, seven hundred sixty-seven 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 21684724341984 cubic inches would be around 2323.8 feet tall.

Recreational maths with 21684724341984

• 21684724341984 backwards is 48914342748612
• The number of decimal digits it has is: 14
• The sum of 21684724341984's digits is 63
• More coming soon!