21400689888
21,400,689,888 is an even composite number composed of four prime numbers multiplied together.
21400689888 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 21400689888:
25 × 34 × 373 × 163
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 37 × 37 × 37 × 163)See below for interesting mathematical facts about the number 21400689888 from the Numbermatics database.
Names of 21400689888
- Cardinal: 21400689888 can be written as Twenty-one billion, four hundred million, six hundred eighty-nine thousand, eight hundred eighty-eight.
Scientific notation
- Scientific notation: 2.1400689888 × 1010
Factors of 21400689888
Divisors of 21400689888
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 24 27 32 36 37 48 54 72 74 81 96 108 111 144 148 162 163 216 222 288 296 324 326 333 432 444 489 592 648 652 666 864 888 978 999 1184 1296 1304 1332 1369 1467 1776 1956 1998 2592 2608 2664 2738 2934 2997 3552 3912 3996 4107 4401 5216 5328 5476 5868 5994 6031 7824 7992 8214 8802 10656 10952 11736 11988 12062 12321 13203 15648 15984 16428 17604 18093 21904 23472 23976 24124 24642 26406 31968 32856 35208 36186 36963 43808 46944 47952 48248 49284 50653 52812 54279 65712 70416 72372 73926 95904 96496 98568 101306 105624 108558 110889 131424 140832 144744 147852 151959 162837 192992 197136 202612 211248 217116 221778 223147 289488 295704 303918 325674 394272 405224 422496 434232 443556 446294 455877 488511 578976 591408 607836 651348 669441 810448 868464 887112 892588 911754 977022 1182816 1215672 1302696 1338882 1367631 1620896 1736928 1774224 1785176 1823508 1954044 2008323 2431344 2605392 2677764 2735262 3548448 3570352 3647016 3908088 4016646 4102893 4862688 5210784 5355528 5470524 6024969 7140704 7294032 7816176 8033292 8205786 8256439 10711056 10941048 12049938 14588064 15632352 16066584 16411572 16512878 18074907 21422112 21882096 24099876 24769317 32133168 32823144 33025756 36149814 43764192 48199752 49538634 64266336 65646288 66051512 72299628 74307951 96399504 99077268 131292576 132103024 144599256 148615902 192799008 198154536 222923853 264206048 289198512 297231804 396309072 445847706 578397024 594463608 668771559 792618144 891695412 1188927216 1337543118 1783390824 2377854432 2675086236 3566781648 5350172472 7133563296 10700344944 21400689888
- Sum of all divisors σ(n): 65083954320
- Sum of proper divisors (its aliquot sum) s(n): 43683264432
- 21400689888 is an abundant number, because the sum of its proper divisors (43683264432) is greater than itself. Its abundance is 22282574544
Bases of 21400689888
- Binary: 100111110111001010010011100111000002
- Hexadecimal: 0x4FB949CE0
- Base-36: 9TXF200
Squares and roots of 21400689888
- 21400689888 squared (214006898882) is 457989527682345452544
- 21400689888 cubed (214006898883) is 9801291853881466402381164675072
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The
square root of 21400689888 is 146289.7463529143 -
The
cube root of 21400689888 is 2776.3609324541
Scales and comparisons
How big is 21400689888?- 21,400,689,888 seconds is equal to 680 years, 24 weeks, 5 days, 4 hours, 4 minutes, 48 seconds.
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To count from 1 to 21,400,689,888 would take you about one thousand, three hundred sixty 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 21400689888 cubic inches would be around 231.4 feet tall.
Recreational maths with 21400689888
- 21400689888 backwards is 88898600412
- 21400689888 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21400689888's digits is 54
- More coming soon!
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