21213655543080

Names of 21213655543080

• Cardinal: 21213655543080 can be written as Twenty-one trillion, two hundred thirteen billion, six hundred fifty-five million, five hundred forty-three thousand and eighty.

Scientific notation

• Scientific notation: 2.121365554308 × 10¹³

Factors of 21213655543080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 19622692

Divisors of 21213655543080

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 18 20 21 22 24 26 27 28 30 33 35 36 39 40 42 44 45 52 54 55 56 60 63 65 66 70 72 77 78 84 88 90 91 99 104 105 108 110 117 120 126 130 132 135 140 143 154 156 165 168 180 182 189 195 198 210 216 220 231 234 252 260 264 270 273 280 286 297 308 312 315 330 351 360 364 378 385 390 396 420 429 440 455 462 468 495 504 520 540 546 572 585 594 616 630 660 693 702 715 728 756 770 780 792 819 840 858 910 924 936 945 990 1001 1080 1092 1144 1155 1170 1188 1260 1287 1320 1365 1386 1404 1430 1485 1512 1540 1560 1638 1716 1755 1820 1848 1890 1980 2002 2079 2145 2184 2310 2340 2376 2457 2520 2574 2730 2772 2808 2860 2970 3003 3080 3276 3432 3465 3510 3640 3780 3861 3960 4004 4095 4158 4290 4620 4680 4914 5005 5148 5460 5544 5720 5940 6006 6435 6552 6930 7020 7560 7722 8008 8190 8316 8580 9009 9240 9828 10010 10296 10395 10920 11880 12012 12285 12870 13860 14040 15015 15444 16380 16632 17160 18018 19305 19656 20020 20790 24024 24570 25740 27027 27720 30030 30888 32760 36036 38610 40040 41580 45045 49140 51480 54054 60060 72072 77220 83160 90090 98280 108108 120120 135135 154440 180180 216216 270270 360360 540540 1081080 19622651 39245302 58867953 78490604 98113255 117735906 137358557 156981208 176603859 196226510 215849161 235471812 255094463 274717114 294339765 353207718 392453020 412075671 431698322 470943624 510188926 529811577 549434228 588679530 647547483 686792785 706415436 765283389 784906040 824151342 863396644 883019295 1020377852 1059623154 1079245805 1098868456 1177359060 1236227013 1275472315 1295094966 1373585570 1412830872 1510944127 1530566778 1648302684 1726793288 1766038590 1785661241 1942642449 2040755704 2060378355 2119246308 2158491610 2295850167 2354718120 2472454026 2550944630 2590189932 2649057885 2747171140 2806039093 3021888254 3061133556 3237737415 3296605368 3532077180 3571322482 3708681039 3826416945 3885284898 4120756710 4238492616 4316983220 4532832381 4591700334 4944908052 5101889260 5180379864 5298115770 5356983723 5494342280 5612078186 5827927347 6043776508 6122267112 6181135065 6475474830 6887550501 7064154360 7142644964 7417362078 7554720635 7652833890 7770569796 8241513420 8418117279 8633966440 8928306205 9065664762 9183400668 9713212245 9889816104 10203778520 10596231540 10713967446 11224156372 11479250835 11655854694 12087553016 12362270130 12950949660 13598497143 13775101002 14030195465 14285289928 14834724156 15109441270 15305667780 15541139592 16070951169 16483026840 16836234558 17856612410 18131329524 18366801336 18543405195 19426424490 19642273651 21192463080 21427934892 22448312744 22664161905 22958501670 23311709388 24724540260 25254351837 25901899320 26784918615 27196994286 27550202004 28060390930 29139636735 29669448312 30218882540 30611335560 32141902338 33672469116 34437752505 35713224820 36262659048 37086810390 38852848980 39284547302 40795491429 42090586395 42855869784 45328323810 45917003340 46623418776 48212853507 49449080520 50508703674 53569837230 54393988572 55100404008 56120781860 58279273470 58926820953 60437765080 64283804676 67344938232 67992485715 68875505010 71426449640 74173620780 75763055511 77705697960 78569094604 80354755845 81590982858 84181172790 90656647620 91834006680 96425707014 98211368255 101017407348 107139674460 108787977144 112241563720 116558546940 117853641906 126271759185 128567609352 135984971430 137751010020 148347241560 151526111022 157138189208 160709511690 163181965716 168362345580 176780462859 181313295240 192851414028 196422736510 202034814696 203977457145 214279348920 233117093880 235707283812 241064267535 252543518370 271969942860 275502020040 294634104765 303052222044 321419023380 326363931432 336724691160 353560925718 378815277555 385702828056 392845473020 407954914290 471414567624 482128535070 505087036740 530341388577 543939885720 589268209530 606104444088 642838046760 707121851436 757630555110 785690946040 815909828580 883902314295 964257070140 1010174073480 1060682777154 1178536419060 1414243702872 1515261110220 1631819657160 1767804628590 1928514140280 2121365554308 2357072838120 2651706942885 3030522220440 3535609257180 4242731108616 5303413885770 7071218514360 10606827771540 21213655543080
• Sum of all divisors σ(n): 94942239436800
• Sum of proper divisors (its aliquot sum) s(n): 73728583893720
• 21213655543080 is an abundant number, because the sum of its proper divisors (73728583893720) is greater than itself. Its abundance is 52514928350640

Bases of 21213655543080

• Binary: 100110100101100110000011001110010110100101000₂
• Hexadecimal: 0x134B30672D28
• Base-36: 7IPF2SFU0

Squares and roots of 21213655543080

• 21213655543080 squared (21213655543080²) is 450019181500448809735886400
• 21213655543080 cubed (21213655543080³) is 9546551904129320484161474800157186112000
• The square root of 21213655543080 is 4605828.4317894433
• The cube root of 21213655543080 is 27682.4912238921

Scales and comparisons

• 21,213,655,543,080 seconds is equal to 674,528 years, 32 weeks, 4 days, 15 hours, 18 minutes.
• To count from 1 to 21,213,655,543,080 would take you about one million, six hundred eighty-six thousand, three hundred twenty-one 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 21213655543080 cubic inches would be around 2306.9 feet tall.

Recreational maths with 21213655543080

• 21213655543080 backwards is 08034555631212
• 21213655543080 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21213655543080's digits is 45
• More coming soon!