21108247930980

Names of 21108247930980

• Cardinal: 21108247930980 can be written as Twenty-one trillion, one hundred eight billion, two hundred forty-seven million, nine hundred thirty thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 2.110824793098 × 10¹³

Factors of 21108247930980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 131138

Divisors of 21108247930980

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 28 30 31 35 36 38 42 45 49 57 60 62 63 70 76 84 90 93 95 98 105 114 124 126 133 140 147 155 171 180 186 190 196 210 217 228 245 252 266 279 285 294 310 315 342 372 380 399 420 434 441 465 490 532 558 570 588 589 620 630 651 665 684 735 798 855 868 882 930 931 961 980 1085 1116 1140 1178 1197 1260 1302 1330 1395 1470 1519 1596 1710 1764 1767 1860 1862 1922 1953 1995 2170 2205 2356 2394 2604 2660 2790 2793 2883 2940 2945 3038 3255 3420 3534 3724 3844 3906 3990 4123 4340 4410 4557 4655 4788 4805 5301 5580 5586 5766 5890 5985 6076 6510 6727 7068 7595 7812 7980 8246 8379 8649 8820 8835 9114 9310 9610 9765 10602 11172 11532 11780 11970 12369 13020 13454 13671 13965 14415 15190 16492 16758 17298 17670 18228 18259 18620 19220 19530 20181 20615 21204 22785 23940 24738 26505 26908 27342 27930 28830 28861 30380 33516 33635 34596 35340 36518 37107 39060 40362 41230 41895 43245 45570 47089 49476 53010 54684 54777 55860 57660 57722 60543 61845 67270 68355 73036 74214 80724 82460 83790 86490 86583 91140 91295 94178 100905 106020 109554 115444 121086 123690 127813 131071 134540 136710 141267 144305 148428 164331 167580 172980 173166 182590 185535 188356 201810 219108 235445 242172 247380 255626 259749 262142 273420 273885 282534 288610 302715 328662 346332 365180 371070 383439 393213 403620 423801 432915 470890 511252 519498 524284 547770 565068 577220 605430 639065 655355 657324 706335 742140 766878 786426 821655 847602 865830 894691 917497 941780 1038996 1095540 1150317 1179639 1210860 1278130 1298745 1310710 1412670 1533756 1572852 1643310 1695204 1731660 1789382 1834994 1917195 1966065 2119005 2300634 2359278 2490349 2556260 2597490 2621420 2684073 2752491 2825340 3286620 3578764 3669988 3834390 3932130 4063201 4238010 4473455 4587485 4601268 4718556 4980698 5194980 5368146 5504982 5751585 5898195 6422479 7471047 7668780 7864260 8052219 8126402 8257473 8476020 8946910 9174970 9961396 10736292 11009964 11503170 11796390 12189603 12451745 12844958 13420365 13762455 14942094 16104438 16252804 16514946 17432443 17893820 18349940 19267437 20316005 22413141 23006340 23592780 24379206 24903490 25689916 26840730 27524910 28442407 29884188 32112395 32208876 33029892 34864886 36568809 37355235 38534874 40261095 40632010 41287365 44826282 48758412 49806980 52297329 53681460 55049820 56884814 57802311 60948015 64224790 69729772 73137618 74710470 77069748 77200819 80522190 81264020 82574730 85327221 87162215 89652564 96337185 104594658 112065705 113769628 115604622 121896030 122027101 125959231 128449580 142212035 146275236 149420940 154401638 156891987 161044380 165149460 170654442 174324430 182844045 192674370 199096849 209189316 224131410 231209244 231602457 243792060 244054202 251918462 255981663 261486645 284424070 289011555 308803276 313783974 341308884 348648860 365688090 366081303 377877693 385348740 386004095 398193698 426636105 448262820 463204914 488108404 503836924 511963326 522973290 540405733 568848140 578023110 597290547 610135505 627567948 629796155 694807371 731376180 732162606 755755386 772008190 784459935 796387396 853272210 881714617 926409828 995484245 1023926652 1045946580 1080811466 1098243909 1133633079 1156046220 1158012285 1194581094 1220271010 1259592310 1279908315 1389614742 1464325212 1511510772 1544016380 1568919870 1621217199 1706544420 1763429234 1791871641 1830406515 1889388465 1990968490 2161622932 2196487818 2267266158 2316024570 2389162188 2393225389 2440542020 2519184620 2559816630 2645143851 2702028665 2779229484 2986452735 3137839740 3242434398 3474036855 3526858468 3583743282 3660813030 3778776930 3782840131 3981936980 4392975636 4408573085 4534532316 4632049140 4786450778 4863651597 5119633260 5290287702 5404057330 5491219545 5668165395 5972905470 6172002319 6484868796 6948073710 7167486564 7179676167 7321626060 7557553860 7565680262 7935431553 8106085995 8817146170 8959358205 9572901556 9727303194 10580575404 10808114660 10982439090 11336330790 11348520393 11945810940 11966126945 12344004638 13225719255 13896147420 14359352334 15131360524 15870863106 16212171990 16752577723 17634292340 17918716410 18516006957 18914200655 19454606388 21539028501 21964878180 22672661580 22697040786 23932253890 24318257985 24688009276 26451438510 28718704668 30860011595 31741726212 32424343980 33505155446 34045561179 35837432820 35898380835 37032013914 37828401310 39677157765 43078057002 45394081572 47864507780 48636515970 50257733169 52902877020 55548020871 56742601965 61720023190 67010310892 68091122358 71796761670 74064027828 75656802620 79354315530 83762888615 86156114004 92580034785 97273031940 100515466338 107695142505 111096041742 113485203930 117268044061 123440046380 136182244716 143593523340 150773199507 158708631060 167525777230 170227805895 185160069570 201030932676 215390285010 222192083484 226970407860 234536088122 251288665845 277740104355 301546399014 335051554460 340455611790 351804132183 370320139140 430780570020 469072176244 502577331690 555480208710 586340220305 603092798028 680911223580 703608264366 753865997535 1005154663380 1055412396549 1110960417420 1172680440610 1407216528732 1507731995070 1759020660915 2110824793098 2345360881220 3015463990140 3518041321830 4221649586196 5277061982745 7036082643660 10554123965490 21108247930980
• Sum of all divisors σ(n): 81013364490240
• Sum of proper divisors (its aliquot sum) s(n): 59905116559260
• 21108247930980 is an abundant number, because the sum of its proper divisors (59905116559260) is greater than itself. Its abundance is 38796868628280

Bases of 21108247930980

• Binary: 100110011001010100101100111101010100001100100₂
• Hexadecimal: 0x1332A59EA864
• Base-36: 7HCZTTHT0

Squares and roots of 21108247930980

• 21108247930980 squared (21108247930980²) is 445558130715721450843760400
• 21108247930980 cubed (21108247930980³) is 9404951490811443701330809238542857192000
• The square root of 21108247930980 is 4594371.3314206547
• The cube root of 21108247930980 is 27636.5649630595

Scales and comparisons

• 21,108,247,930,980 seconds is equal to 671,176 years, 51 weeks, 4 days, 3 hours, 3 minutes.
• To count from 1 to 21,108,247,930,980 would take you about one million, six hundred seventy-seven thousand, nine hundred forty-two 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 21108247930980 cubic inches would be around 2303 feet tall.

Recreational maths with 21108247930980

• 21108247930980 backwards is 08903974280112
• The number of decimal digits it has is: 14
• The sum of 21108247930980's digits is 54
• More coming soon!