21021230880
21,021,230,880 is an even composite number composed of six prime numbers multiplied together.
21021230880 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 21021230880:
25 × 32 × 5 × 13 × 23 × 48823
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 13 × 23 × 48823)See below for interesting mathematical facts about the number 21021230880 from the Numbermatics database.
Names of 21021230880
- Cardinal: 21021230880 can be written as Twenty-one billion, twenty-one million, two hundred thirty thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 2.102123088 × 1010
Factors of 21021230880
Divisors of 21021230880
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 23 24 26 30 32 36 39 40 45 46 48 52 60 65 69 72 78 80 90 92 96 104 115 117 120 130 138 144 156 160 180 184 195 207 208 230 234 240 260 276 288 299 312 345 360 368 390 414 416 460 468 480 520 552 585 598 624 690 720 736 780 828 897 920 936 1035 1040 1104 1170 1196 1248 1380 1440 1495 1560 1656 1794 1840 1872 2070 2080 2208 2340 2392 2691 2760 2990 3120 3312 3588 3680 3744 4140 4485 4680 4784 5382 5520 5980 6240 6624 7176 8280 8970 9360 9568 10764 11040 11960 13455 14352 16560 17940 18720 21528 23920 26910 28704 33120 35880 43056 47840 48823 53820 71760 86112 97646 107640 143520 146469 195292 215280 244115 292938 390584 430560 439407 488230 585876 634699 732345 781168 878814 976460 1122929 1171752 1269398 1464690 1562336 1757628 1904097 1952920 2197035 2245858 2343504 2538796 2929380 3173495 3368787 3515256 3808194 3905840 4394070 4491716 4687008 5077592 5614645 5712291 5858760 6346990 6737574 7030512 7616388 7811680 8788140 8983432 9520485 10106361 10155184 11229290 11424582 11717520 12693980 13475148 14061024 14598077 15232776 16843935 17576280 17966864 19040970 20212722 20310368 22458580 22849164 23435040 25387960 26950296 28561455 29196154 30465552 33687870 35152560 35933728 38081940 40425444 43794231 44917160 45698328 50531805 50775920 53900592 57122910 58392308 60931104 67375740 70305120 72990385 76163880 80850888 87588462 89834320 91396656 101063610 101551840 107801184 114245820 116784616 131382693 134751480 145980770 152327760 161701776 175176924 179668640 182793312 202127220 218971155 228491640 233569232 262765386 269502960 291961540 304655520 323403552 350353848 404254440 437942310 456983280 467138464 525530772 539005920 583923080 656913465 700707696 808508880 875884620 913966560 1051061544 1167846160 1313826930 1401415392 1617017760 1751769240 2102123088 2335692320 2627653860 3503538480 4204246176 5255307720 7007076960 10510615440 21021230880
- Sum of all divisors σ(n): 80613501696
- Sum of proper divisors (its aliquot sum) s(n): 59592270816
- 21021230880 is an abundant number, because the sum of its proper divisors (59592270816) is greater than itself. Its abundance is 38571039936
Bases of 21021230880
- Binary: 100111001001111011010000111001000002
- Hexadecimal: 0x4E4F68720
- Base-36: 9NNHXK0
Squares and roots of 21021230880
- 21021230880 squared (210212308802) is 441892147710265574400
- 21021230880 cubed (210212308803) is 9289116861076555985578217472000
-
The
square root of 21021230880 is 144987.0024519439 -
The
cube root of 21021230880 is 2759.8536154247
Scales and comparisons
How big is 21021230880?- 21,021,230,880 seconds is equal to 668 years, 21 weeks, 2 days, 6 hours, 48 minutes.
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To count from 1 to 21,021,230,880 would take you about one thousand, three hundred thirty-six 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 21021230880 cubic inches would be around 230 feet tall.
Recreational maths with 21021230880
- 21021230880 backwards is 08803212012
- The number of decimal digits it has is: 11
- The sum of 21021230880's digits is 27
- More coming soon!
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