21002764608
21,002,764,608 is an even composite number composed of five prime numbers multiplied together.
21002764608 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.
Prime factorization of 21002764608:
26 × 32 × 7 × 1032 × 491
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 7 × 103 × 103 × 491)See below for interesting mathematical facts about the number 21002764608 from the Numbermatics database.
Names of 21002764608
- Cardinal: 21002764608 can be written as Twenty-one billion, two million, seven hundred sixty-four thousand, six hundred eight.
Scientific notation
- Scientific notation: 2.1002764608 × 1010
Factors of 21002764608
Divisors of 21002764608
- Number of divisors d(n): 252
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 32 36 42 48 56 63 64 72 84 96 103 112 126 144 168 192 206 224 252 288 309 336 412 448 491 504 576 618 672 721 824 927 982 1008 1236 1344 1442 1473 1648 1854 1964 2016 2163 2472 2884 2946 3296 3437 3708 3928 4032 4326 4419 4944 5768 5892 6489 6592 6874 7416 7856 8652 8838 9888 10311 10609 11536 11784 12978 13748 14832 15712 17304 17676 19776 20622 21218 23072 23568 25956 27496 29664 30933 31424 31827 34608 35352 41244 42436 46144 47136 50573 51912 54992 59328 61866 63654 69216 70704 74263 82488 84872 94272 95481 101146 103824 109984 123732 127308 138432 141408 148526 151719 164976 169744 190962 202292 207648 219968 222789 247464 254616 282816 297052 303438 329952 339488 354011 381924 404584 415296 445578 455157 494928 509232 594104 606876 659904 668367 678976 708022 763848 809168 891156 910314 989856 1018464 1062033 1188208 1213752 1336734 1416044 1527696 1618336 1782312 1820628 1979712 2036928 2124066 2376416 2427504 2673468 2832088 3055392 3186099 3236672 3564624 3641256 4248132 4752832 4855008 5209019 5346936 5664176 6110784 6372198 7129248 7282512 8496264 9710016 10418038 10693872 11328352 12744396 14258496 14565024 15627057 16992528 20836076 21387744 22656704 25488792 29130048 31254114 33985056 36463133 41672152 42775488 46881171 50977584 62508228 67970112 72926266 83344304 93762342 101955168 109389399 125016456 145852532 166688608 187524684 203910336 218778798 250032912 291705064 328168197 333377216 375049368 437557596 500065824 583410128 656336394 750098736 875115192 1000131648 1166820256 1312672788 1500197472 1750230384 2333640512 2625345576 3000394944 3500460768 5250691152 7000921536 10501382304 21002764608
- Sum of all divisors σ(n): 69616673568
- Sum of proper divisors (its aliquot sum) s(n): 48613908960
- 21002764608 is an abundant number, because the sum of its proper divisors (48613908960) is greater than itself. Its abundance is 27611144352
Bases of 21002764608
- Binary: 100111000111101110011000001010000002
- Hexadecimal: 0x4E3DCC140
- Base-36: 9NCI4W0
Squares and roots of 21002764608
- 21002764608 squared (210027646082) is 441116121179057393664
- 21002764608 cubed (210027646083) is 9264658057917745858446982643712
-
The
square root of 21002764608 is 144923.3059518033 -
The
cube root of 21002764608 is 2759.0452400185
Scales and comparisons
How big is 21002764608?- 21,002,764,608 seconds is equal to 667 years, 42 weeks, 5 days, 13 hours, 16 minutes, 48 seconds.
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To count from 1 to 21,002,764,608 would take you about one thousand, three hundred thirty-five 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 21002764608 cubic inches would be around 229.9 feet tall.
Recreational maths with 21002764608
- 21002764608 backwards is 80646720012
- 21002764608 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21002764608's digits is 36
- More coming soon!
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