21077451704640

Names of 21077451704640

• Cardinal: 21077451704640 can be written as Twenty-one trillion, seventy-seven billion, four hundred fifty-one million, seven hundred four thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.107745170464 × 10¹³

Factors of 21077451704640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 83888

Divisors of 21077451704640

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 101 113 115 120 138 160 184 192 202 226 230 240 276 303 320 339 345 368 404 452 460 480 505 552 565 606 678 690 736 808 904 920 960 1010 1104 1130 1212 1356 1380 1472 1515 1616 1695 1808 1840 2020 2208 2260 2323 2424 2599 2712 2760 3030 3232 3390 3616 3680 4040 4416 4520 4646 4848 5198 5424 5520 6060 6464 6780 6969 7232 7360 7797 8080 9040 9292 9696 10396 10848 11040 11413 11615 12120 12995 13560 13938 15594 16160 18080 18584 19392 20792 21696 22080 22826 23230 24240 25990 27120 27876 31188 32320 34239 34845 36160 37168 38985 41584 45652 46460 48480 51980 54240 55752 57065 62376 68478 69690 74336 77970 83168 83641 91304 92920 96960 103960 108480 111504 114130 124752 136956 139380 148672 155940 166336 167282 171195 182608 185840 207920 223008 228260 249504 250923 262499 273912 278760 311880 334564 342390 365216 371680 415840 418205 446016 456520 499008 501846 524998 547824 557520 623760 669128 684780 730432 743360 787497 831680 836410 913040 1003692 1049996 1095648 1115040 1247520 1254615 1312495 1338256 1369560 1574994 1672820 1826080 1923743 2007384 2099992 2191296 2230080 2495040 2509230 2624990 2676512 2739120 3149988 3345640 3652160 3847486 3937485 4014768 4199984 5018460 5249980 5353024 5478240 5771229 6299976 6691280 7694972 7874970 8029536 8399968 8447741 9451433 9618715 10036920 10499960 10956480 11542458 12599952 13382560 15389944 15749940 16059072 16799936 16895482 18902866 19237430 20073840 20999920 23084916 25199904 25343223 26765120 28354299 28856145 30779888 31499880 33790964 37805732 38474860 40147680 41999840 42238705 46169832 47257165 50399808 50686446 56708598 57712290 61559776 62999760 67581928 75611464 76949720 80295360 83999680 84477410 92339664 94514330 101372892 113417196 115424580 123119552 125999520 126716115 135163856 141771495 151222928 153899440 168954820 184679328 189028660 194298043 202745784 217382959 226834392 230849160 251999040 253432230 270327712 283542990 302445856 307798880 337909640 369358656 378057320 388596086 405491568 434765918 453668784 461698320 506864460 540655424 567085980 582894129 604891712 615597760 652148877 675819280 756114640 777192172 810983136 869531836 907337568 923396640 954594733 971490215 1013728920 1086914795 1134171960 1165788258 1304297754 1351638560 1512229280 1554384344 1621966272 1739063672 1814675136 1846793280 1909189466 1942980430 2027457840 2173829590 2268343920 2331576516 2608595508 2703277120 2863784199 2914470645 3024458560 3108768688 3260744385 3478127344 3818378932 3885960860 4054915680 4347659180 4536687840 4663153032 4772973665 5217191016 5727568398 5828941290 6217537376 6521488770 6956254688 7636757864 7771921720 8109831360 8695318360 9073375680 9326306064 9545947330 10434382032 11455136796 11657882580 12435074752 13042977540 13912509376 14318920995 15273515728 15543843440 17390636720 18652612128 19091894660 20868764064 21955678859 22910273592 23315765160 26085955080 28637841990 30547031456 31087686880 34781273440 37305224256 38183789320 41737528128 43911357718 45820547184 46631530320 52171910160 57275683980 61094062912 62175373760 65867036577 69562546880 76367578640 87822715436 91641094368 93263060640 104343820320 109778394295 114551367960 131734073154 152735157280 175645430872 183282188736 186526121280 208687640640 219556788590 229102735920 263468146308 305470314560 329335182885 351290861744 439113577180 458205471840 526936292616 658670365770 702581723488 878227154360 916410943680 1053872585232 1317340731540 1405163446976 1756454308720 2107745170464 2634681463080 3512908617440 4215490340928 5269362926160 7025817234880 10538725852320 21077451704640
• Sum of all divisors σ(n): 71146843402752
• Sum of proper divisors (its aliquot sum) s(n): 50069391698112
• 21077451704640 is an abundant number, because the sum of its proper divisors (50069391698112) is greater than itself. Its abundance is 28991939993472

Bases of 21077451704640

• Binary: 100110010101101111010000001011000100101000000₂
• Hexadecimal: 0x132B7A058940
• Base-36: 7GYUIJHHC

Squares and roots of 21077451704640

• 21077451704640 squared (21077451704640²) is 444258970361431641797529600
• 21077451704640 cubed (21077451704640³) is 9363846992146168595316174141260857344000
• The square root of 21077451704640 is 4591018.5911886699
• The cube root of 21077451704640 is 27623.1181474169

Scales and comparisons

• 21,077,451,704,640 seconds is equal to 670,197 years, 39 weeks, 6 days, 7 hours, 44 minutes.
• To count from 1 to 21,077,451,704,640 would take you about one million, six hundred seventy-five thousand, four hundred ninety-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 21077451704640 cubic inches would be around 2301.9 feet tall.

Recreational maths with 21077451704640

• 21077451704640 backwards is 04640715477012
• 21077451704640 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21077451704640's digits is 48
• More coming soon!