21089520816
21,089,520,816 is an even composite number composed of six prime numbers multiplied together.
21089520816 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred sixty divisors.
Prime factorization of 21089520816:
24 × 3 × 72 × 132 × 17 × 3121
(2 × 2 × 2 × 2 × 3 × 7 × 7 × 13 × 13 × 17 × 3121)See below for interesting mathematical facts about the number 21089520816 from the Numbermatics database.
Names of 21089520816
- Cardinal: 21089520816 can be written as Twenty-one billion, eighty-nine million, five hundred twenty thousand, eight hundred sixteen.
Scientific notation
- Scientific notation: 2.1089520816 × 1010
Factors of 21089520816
Divisors of 21089520816
- Number of divisors d(n): 360
-
Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 17 21 24 26 28 34 39 42 48 49 51 52 56 68 78 84 91 98 102 104 112 119 136 147 156 168 169 182 196 204 208 221 238 272 273 294 312 336 338 357 364 392 408 442 476 507 546 588 624 637 663 676 714 728 784 816 833 884 952 1014 1092 1176 1183 1274 1326 1352 1428 1456 1547 1666 1768 1904 1911 2028 2184 2352 2366 2499 2548 2652 2704 2856 2873 3094 3121 3332 3536 3549 3822 4056 4368 4641 4732 4998 5096 5304 5712 5746 6188 6242 6664 7098 7644 8112 8281 8619 9282 9363 9464 9996 10192 10608 10829 11492 12376 12484 13328 14196 15288 16562 17238 18564 18726 18928 19992 20111 21658 21847 22984 24752 24843 24968 28392 30576 32487 33124 34476 37128 37452 39984 40222 40573 43316 43694 45968 49686 49936 53057 56784 60333 64974 65541 66248 68952 74256 74904 80444 81146 86632 87388 99372 106114 120666 121719 129948 131082 132496 137904 140777 149808 152929 159171 160888 162292 173264 174776 198744 212228 241332 243438 259896 262164 281554 284011 305858 318342 321776 324584 349552 371399 397488 422331 424456 458787 482664 486876 519792 524328 527449 563108 568022 611716 636684 649168 689741 742798 844662 848912 852033 917574 965328 973752 1048656 1054898 1114197 1126216 1136044 1223432 1273368 1379482 1485596 1582347 1689324 1704066 1835148 1947504 1988077 2069223 2109796 2228394 2252432 2272088 2446864 2546736 2599793 2758964 2971192 3164694 3378648 3408132 3670296 3692143 3976154 4138446 4219592 4456788 4544176 4828187 5199586 5517928 5942384 5964231 6329388 6757296 6816264 7340592 7384286 7799379 7952308 8276892 8439184 8913576 8966633 9656374 10399172 11035856 11076429 11928462 12658776 13632528 14484561 14768572 15598758 15904616 16553784 17827152 17933266 19312748 20798344 22152858 23856924 25317552 25845001 26899899 28969122 29537144 31197516 31809232 33107568 33797309 35866532 38625496 41596688 44305716 47713848 51690002 53799798 57938244 59074288 62395032 62766431 67594618 71733064 77250992 77535003 88611432 95427696 101391927 103380004 107599596 115876488 124790064 125532862 135189236 143466128 155070006 177222864 188299293 202783854 206760008 215199192 231752976 251065724 270378472 310140012 376598586 405567708 413520016 430398384 439365017 502131448 540756944 620280024 753197172 811135416 878730034 1004262896 1240560048 1318095051 1506394344 1622270832 1757460068 2636190102 3012788688 3514920136 5272380204 7029840272 10544760408 21089520816
- Sum of all divisors σ(n): 72686379024
- Sum of proper divisors (its aliquot sum) s(n): 51596858208
- 21089520816 is an abundant number, because the sum of its proper divisors (51596858208) is greater than itself. Its abundance is 30507337392
Bases of 21089520816
- Binary: 100111010010000100010001100101100002
- Hexadecimal: 0x4E9088CB0
- Base-36: 9OS5MEO
Squares and roots of 21089520816
- 21089520816 squared (210895208162) is 444767888248497305856
- 21089520816 cubed (210895208163) is 9379941637505045712570030698496
-
The
square root of 21089520816 is 145222.3151447463 -
The
cube root of 21089520816 is 2762.8389544875
Scales and comparisons
How big is 21089520816?- 21,089,520,816 seconds is equal to 670 years, 30 weeks, 1 day, 16 hours, 13 minutes, 36 seconds.
-
To count from 1 to 21,089,520,816 would take you about one thousand, three hundred forty-one 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 21089520816 cubic inches would be around 230.2 feet tall.
Recreational maths with 21089520816
- 21089520816 backwards is 61802598012
- 21089520816 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21089520816's digits is 42
- More coming soon!
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