21149777040

Names of 21149777040

• Cardinal: 21149777040 can be written as Twenty-one billion, one hundred forty-nine million, seven hundred seventy-seven thousand and forty.

Scientific notation

• Scientific notation: 2.114977704 × 10¹⁰

Factors of 21149777040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 890

Divisors of 21149777040

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 19 20 21 24 28 30 35 38 40 42 43 48 56 57 60 70 76 80 84 86 95 105 112 114 120 129 133 140 152 168 172 190 210 215 228 240 258 266 280 285 301 304 336 344 361 380 399 420 430 456 516 532 560 570 602 645 665 688 722 760 798 811 817 840 860 903 912 1032 1064 1083 1140 1204 1290 1330 1444 1505 1520 1596 1622 1634 1680 1720 1805 1806 1995 2064 2128 2166 2280 2408 2433 2451 2527 2580 2660 2888 3010 3192 3244 3268 3440 3610 3612 3990 4055 4085 4332 4515 4560 4816 4866 4902 5054 5160 5320 5415 5677 5719 5776 6020 6384 6488 6536 7220 7224 7581 7980 8110 8170 8664 9030 9732 9804 10108 10320 10640 10830 11354 11438 12040 12165 12255 12635 12976 13072 14440 14448 15162 15409 15523 15960 16220 16340 17031 17157 17328 18060 19464 19608 20216 21660 22708 22876 24080 24330 24510 25270 28385 28595 28880 30324 30818 31046 31920 32440 32680 34062 34314 34873 36120 37905 38928 39216 40432 43320 45416 45752 46227 46569 48660 49020 50540 56770 57190 60648 61636 62092 64880 65360 68124 68628 69746 72240 75810 77045 77615 85155 85785 86640 90832 91504 92454 93138 97320 98040 101080 104619 107863 108661 113540 114380 121296 123272 124184 136248 137256 139492 151620 154090 155230 170310 171570 174365 184908 186276 194640 196080 202160 209238 215726 217322 227080 228760 231135 232845 244111 246544 248368 272496 274512 278984 292771 303240 308180 310460 323589 325983 340620 343140 348730 369816 372552 418476 431452 434644 454160 457520 462270 465690 488222 523095 539315 543305 557968 585542 606480 616360 620920 647178 651966 662587 681240 686280 697460 732333 739632 745104 836952 862904 869288 878313 924540 931380 976444 1046190 1078630 1086610 1171084 1220555 1232720 1241840 1294356 1303932 1325174 1362480 1372560 1394920 1463855 1464666 1617945 1629915 1673904 1725808 1738576 1756626 1849080 1862760 1952888 1987761 2049397 2092380 2157260 2173220 2342168 2441110 2588712 2607864 2650348 2789840 2927710 2929332 3235890 3259830 3312935 3513252 3661665 3698160 3725520 3905776 3975522 4098794 4184760 4314520 4346440 4391565 4638109 4684336 4882220 5177424 5215728 5300696 5855420 5858664 6148191 6471780 6519660 6625870 7026504 7323330 7951044 8197588 8369520 8629040 8692880 8783130 9276218 9764440 9938805 10246985 10601392 11710840 11717328 12296382 12589153 12943560 13039320 13251740 13914327 14053008 14646660 15902088 16395176 17566260 18552436 19528880 19877610 20493970 23190545 23421680 24592764 25178306 25887120 26078640 26503480 27828654 29293320 30740955 31804176 32790352 35132520 37104872 37767459 39755220 40987940 46381090 49185528 50356612 53006960 55657308 58586640 61481910 62945765 69571635 70265040 74209744 75534918 79510440 81975880 88124071 92762180 98371056 100713224 111314616 122963820 125891530 139143270 151069836 159020880 163951760 176248142 185524360 188837295 201426448 222629232 245927640 251783060 264372213 278286540 302139672 352496284 371048720 377674590 440620355 491855280 503566120 528744426 556573080 604279344 704992568 755349180 881240710 1007132240 1057488852 1113146160 1321861065 1409985136 1510698360 1762481420 2114977704 2643722130 3021396720 3524962840 4229955408 5287444260 7049925680 10574888520 21149777040
• Sum of all divisors σ(n): 81020814336
• Sum of proper divisors (its aliquot sum) s(n): 59871037296
• 21149777040 is an abundant number, because the sum of its proper divisors (59871037296) is greater than itself. Its abundance is 38721260256

Bases of 21149777040

• Binary: 10011101100100111111111110010010000₂
• Hexadecimal: 0x4EC9FFC90
• Base-36: 9PS14EO

Squares and roots of 21149777040

• 21149777040 squared (21149777040²) is 447313068841711161600
• 21149777040 cubed (21149777040³) is 9460571673080362119919409664000
• The square root of 21149777040 is 145429.6291681995
• The cube root of 21149777040 is 2765.4677473001

Scales and comparisons

• 21,149,777,040 seconds is equal to 672 years, 25 weeks, 6 days, 2 hours, 4 minutes.
• To count from 1 to 21,149,777,040 would take you about one thousand, three hundred forty-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 21149777040 cubic inches would be around 230.5 feet tall.

Recreational maths with 21149777040

• 21149777040 backwards is 04077794112
• 21149777040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21149777040's digits is 42
• More coming soon!