21678098904
21,678,098,904 is an even composite number composed of six prime numbers multiplied together.
21678098904 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 21678098904:
23 × 33 × 7 × 11 × 467 × 2791
(2 × 2 × 2 × 3 × 3 × 3 × 7 × 11 × 467 × 2791)See below for interesting mathematical facts about the number 21678098904 from the Numbermatics database.
Names of 21678098904
- Cardinal: 21678098904 can be written as Twenty-one billion, six hundred seventy-eight million, ninety-eight thousand, nine hundred four.
Scientific notation
- Scientific notation: 2.1678098904 × 1010
Factors of 21678098904
Divisors of 21678098904
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 6 7 8 9 11 12 14 18 21 22 24 27 28 33 36 42 44 54 56 63 66 72 77 84 88 99 108 126 132 154 168 189 198 216 231 252 264 297 308 378 396 462 467 504 594 616 693 756 792 924 934 1188 1386 1401 1512 1848 1868 2079 2376 2772 2791 2802 3269 3736 4158 4203 5137 5544 5582 5604 6538 8316 8373 8406 9807 10274 11164 11208 12609 13076 15411 16632 16746 16812 19537 19614 20548 22328 25119 25218 26152 29421 30701 30822 33492 33624 35959 39074 39228 41096 46233 50238 50436 58611 58842 61402 61644 66984 71918 75357 78148 78456 88263 92103 92466 100476 100872 107877 117222 117684 122804 123288 138699 143836 150714 156296 175833 176526 184206 184932 200952 214907 215754 234444 235368 245608 276309 277398 287672 301428 323631 351666 353052 368412 369864 429814 431508 468888 527499 552618 554796 602856 644721 647262 703332 706104 736824 828927 859628 863016 970893 1054998 1105236 1109592 1289442 1294524 1303397 1406664 1657854 1719256 1934163 1941786 2109996 2210472 2578884 2589048 2606794 3315708 3868326 3883572 3910191 4219992 5157768 5213588 5802489 6631416 7736652 7767144 7820382 9123779 10427176 11604978 11730573 14337367 15473304 15640764 18247558 23209956 23461146 27371337 28674734 31281528 35191719 36495116 43012101 46419912 46922292 54742674 57349468 70383438 72990232 82114011 86024202 93844584 100361569 109485348 114698936 129036303 140766876 164228022 172048404 200723138 218970696 246342033 258072606 281533752 301084707 328456044 344096808 387108909 401446276 492684066 516145212 602169414 656912088 774217818 802892552 903254121 985368132 1032290424 1204338828 1548435636 1806508242 1970736264 2408677656 2709762363 3096871272 3613016484 5419524726 7226032968 10839049452 21678098904
- Sum of all divisors σ(n): 75263385600
- Sum of proper divisors (its aliquot sum) s(n): 53585286696
- 21678098904 is an abundant number, because the sum of its proper divisors (53585286696) is greater than itself. Its abundance is 31907187792
Bases of 21678098904
- Binary: 101000011000001110110001001110110002
- Hexadecimal: 0x50C1D89D8
- Base-36: 9YIKW60
Squares and roots of 21678098904
- 21678098904 squared (216780989042) is 469939972091606001216
- 21678098904 cubed (216780989043) is 10187405193944834642560392267264
-
The
square root of 21678098904 is 147234.8426969649 -
The
cube root of 21678098904 is 2788.3057721745
Scales and comparisons
How big is 21678098904?- 21,678,098,904 seconds is equal to 689 years, 15 weeks, 2 days, 22 hours, 8 minutes, 24 seconds.
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To count from 1 to 21,678,098,904 would take you about one thousand, three hundred seventy-eight 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 21678098904 cubic inches would be around 232.4 feet tall.
Recreational maths with 21678098904
- 21678098904 backwards is 40989087612
- 21678098904 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21678098904's digits is 54
- More coming soon!
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