21107674940
21,107,674,940 is an even composite number composed of eight prime numbers multiplied together.
21107674940 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21107674940:
22 × 5 × 11 × 19 × 29 × 31 × 41 × 137
(2 × 2 × 5 × 11 × 19 × 29 × 31 × 41 × 137)See below for interesting mathematical facts about the number 21107674940 from the Numbermatics database.
Names of 21107674940
- Cardinal: 21107674940 can be written as Twenty-one billion, one hundred seven million, six hundred seventy-four thousand, nine hundred forty.
Scientific notation
- Scientific notation: 2.110767494 × 1010
Factors of 21107674940
Divisors of 21107674940
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 4 5 10 11 19 20 22 29 31 38 41 44 55 58 62 76 82 95 110 116 124 137 145 155 164 190 205 209 220 274 290 310 319 341 380 410 418 451 548 551 580 589 620 638 682 685 779 820 836 899 902 1045 1102 1178 1189 1271 1276 1364 1370 1507 1558 1595 1705 1798 1804 2090 2204 2255 2356 2378 2542 2603 2740 2755 2945 3014 3116 3190 3410 3596 3895 3973 4180 4247 4495 4510 4756 5084 5206 5510 5617 5890 5945 6028 6061 6355 6380 6479 6820 7535 7790 7946 8494 8569 8990 9020 9889 10412 11020 11234 11780 11890 12122 12710 12958 13015 13079 13981 15070 15580 15892 16988 17081 17138 17980 19778 19865 21235 22468 22591 23780 24149 24244 25420 25916 26030 26158 27962 28085 28633 30140 30305 32395 34162 34276 36859 39556 39730 42470 42845 43703 45182 46717 48298 49445 52060 52316 55924 56170 57266 60610 61787 64790 65395 68324 69905 73718 75487 79460 80693 84940 85405 85690 87406 90364 93434 96596 98890 106723 112340 112955 114532 120745 121220 123163 123574 129580 130790 139810 143165 147436 150974 161386 162893 170810 171380 174127 174812 184295 186868 187891 197780 213446 218515 225910 233585 241490 246326 247148 248501 261580 265639 279620 286330 301948 308935 322772 325786 341620 348254 368590 375782 377435 403465 405449 426892 437030 451820 467170 482980 492652 497002 531278 533615 572660 615815 617870 651572 696508 700321 737180 751564 754870 806930 810898 814465 830357 870635 874060 887623 934340 939455 994004 1062556 1067230 1173953 1231630 1235740 1242505 1328195 1354793 1400642 1509740 1613860 1621796 1628930 1660714 1741270 1775246 1791823 1878910 1915397 2027245 2134460 2340097 2347906 2463260 2485010 2656390 2709586 2801284 3094967 3257860 3308413 3321428 3482540 3501605 3550492 3583646 3757820 3830794 4054490 4151785 4438115 4680194 4695812 4970020 5049683 5312780 5419172 5869765 6189934 6616826 6773965 7003210 7167292 7661588 7703531 8108980 8303570 8876230 8959115 9360388 9576985 10099366 11700485 11739530 12379868 13233652 13547930 14006420 15407062 15474835 16542065 16607140 17752460 17918230 19153970 20198732 23400970 23479060 25248415 25741067 27095860 30814124 30949670 33084130 34044637 35836460 36392543 38307940 38517655 46801940 50496830 51482134 55546513 61899340 66168260 68089274 72785086 77035310 95943977 100993660 102964268 111093026 128705335 136178548 145570172 154070620 170223185 181962715 191887954 222186052 257410670 277732565 340446370 363925430 383775908 479719885 514821340 555465130 680892740 727850860 959439770 1055383747 1110930260 1918879540 2110767494 4221534988 5276918735 10553837470 21107674940
- Sum of all divisors σ(n): 56086732800
- Sum of proper divisors (its aliquot sum) s(n): 34979057860
- 21107674940 is an abundant number, because the sum of its proper divisors (34979057860) is greater than itself. Its abundance is 13871382920
Bases of 21107674940
- Binary: 100111010100001110110001111001111002
- Hexadecimal: 0x4EA1D8F3C
- Base-36: 9P2YQ7W
Squares and roots of 21107674940
- 21107674940 squared (211076749402) is 445533941372704003600
- 21107674940 cubed (211076749403) is 9404185609232053496825389784000
-
The
square root of 21107674940 is 145284.8062943955 -
The
cube root of 21107674940 is 2763.6314892633
Scales and comparisons
How big is 21107674940?- 21,107,674,940 seconds is equal to 671 years, 8 weeks, 1 day, 19 hours, 2 minutes, 20 seconds.
-
To count from 1 to 21,107,674,940 would take you about one thousand, three 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 21107674940 cubic inches would be around 230.3 feet tall.
Recreational maths with 21107674940
- 21107674940 backwards is 04947670112
- 21107674940 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21107674940's digits is 41
- More coming soon!
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