21412207440

Names of 21412207440

• Cardinal: 21412207440 can be written as Twenty-one billion, four hundred twelve million, two hundred seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.141220744 × 10¹⁰

Factors of 21412207440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 655

Divisors of 21412207440

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 36 39 40 45 48 52 54 60 65 72 78 80 81 90 104 108 117 120 130 135 144 156 162 180 193 195 208 216 234 240 243 260 270 312 324 351 360 386 390 405 432 439 468 486 520 540 579 585 624 648 702 720 772 780 810 878 936 965 972 1040 1053 1080 1158 1170 1215 1296 1317 1404 1544 1560 1620 1737 1755 1756 1872 1930 1944 2106 2160 2195 2316 2340 2430 2509 2634 2808 2895 3088 3120 3159 3240 3474 3510 3512 3860 3888 3951 4212 4390 4632 4680 4860 5018 5211 5265 5268 5616 5707 5790 6318 6480 6585 6948 7020 7024 7527 7720 7902 8424 8685 8780 9264 9360 9720 10036 10422 10530 10536 11414 11580 11853 12545 12636 13170 13896 14040 15054 15440 15633 15795 15804 16848 17121 17370 17560 19440 19755 20072 20844 21060 21072 22581 22828 23160 23706 25090 25272 26055 26340 27792 28080 28535 30108 31266 31590 31608 34242 34740 35120 35559 37635 39510 40144 41688 42120 45162 45656 46320 46899 47412 50180 50544 51363 52110 52680 57070 59265 60216 62532 63180 63216 67743 68484 69480 71118 75270 78165 79020 83376 84240 84727 85605 90324 91312 93798 94824 100360 102726 104220 105360 106677 112905 114140 118530 120432 125064 126360 135486 136968 138960 142236 150540 154089 156330 158040 169454 171210 177795 180648 187596 189648 200720 203229 205452 208440 213354 225810 228280 234495 237060 250128 252720 254181 256815 270972 273936 284472 301080 308178 312660 316080 338715 338908 342420 355590 361296 375192 406458 410904 416880 423635 426708 451620 456560 462267 468990 474120 508362 513630 533385 541944 568944 602160 609687 616356 625320 677430 677816 684840 711180 750384 762543 770445 812916 821808 847270 853416 903240 924534 937980 948240 1016145 1016724 1027260 1066770 1083888 1101451 1219374 1232712 1250640 1270905 1354860 1355632 1369680 1386801 1422360 1525086 1540890 1625832 1694540 1706832 1806480 1849068 1875960 2032290 2033448 2054520 2133540 2202902 2287629 2311335 2438748 2465424 2541810 2709720 2773602 2844720 3048435 3050172 3081780 3251664 3304353 3389080 3698136 3751920 3812715 4064580 4066896 4109040 4267080 4405804 4575258 4622670 4877496 5083620 5419440 5507255 5547204 6096870 6100344 6163560 6608706 6778160 6862887 6934005 7396272 7625430 8129160 8534160 8811608 9150516 9245340 9754992 9913059 10167240 11014510 11094408 11438145 12193740 12200688 12327120 13217412 13725774 13868010 15250860 16258320 16521765 17623216 18301032 18490680 19826118 20334480 20588661 22029020 22188816 22876290 24387480 26434824 27451548 27736020 29739177 30501720 33043530 34314435 36602064 36981360 39652236 41177322 44058040 45752580 48774960 49565295 52869648 54903096 55472040 59478354 61003440 66087060 68628870 79304472 82354644 88116080 89217531 91505160 99130590 102943305 109806192 110944080 118956708 132174120 137257740 148695885 158608944 164709288 178435062 183010320 198261180 205886610 237913416 264348240 267652593 274515480 297391770 329418576 356870124 396522360 411773220 446087655 475826832 535305186 549030960 594783540 713740248 793044720 823546440 892175310 1070610372 1189567080 1338262965 1427480496 1647092880 1784350620 2141220744 2379134160 2676525930 3568701240 4282441488 5353051860 7137402480 10706103720 21412207440
• Sum of all divisors σ(n): 80908988160
• Sum of proper divisors (its aliquot sum) s(n): 59496780720
• 21412207440 is an abundant number, because the sum of its proper divisors (59496780720) is greater than itself. Its abundance is 38084573280

Bases of 21412207440

• Binary: 10011111100010001000101101101010000₂
• Hexadecimal: 0x4FC445B50
• Base-36: 9U49X00

Squares and roots of 21412207440

• 21412207440 squared (21412207440²) is 458482627453591353600
• 21412207440 cubed (21412207440³) is 9817125126672537036273590784000
• The square root of 21412207440 is 146329.1066056237
• The cube root of 21412207440 is 2776.8589093383

Scales and comparisons

• 21,412,207,440 seconds is equal to 680 years, 43 weeks, 5 days, 11 hours, 24 minutes.
• To count from 1 to 21,412,207,440 would take you about one thousand, three hundred sixty-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 21412207440 cubic inches would be around 231.4 feet tall.

Recreational maths with 21412207440

• 21412207440 backwards is 04470221412
• 21412207440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21412207440's digits is 27
• More coming soon!