21409425720
21,409,425,720 is an even composite number composed of six prime numbers multiplied together.
21409425720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 21409425720:
23 × 32 × 5 × 19 × 181 × 17293
(2 × 2 × 2 × 3 × 3 × 5 × 19 × 181 × 17293)See below for interesting mathematical facts about the number 21409425720 from the Numbermatics database.
Names of 21409425720
- Cardinal: 21409425720 can be written as Twenty-one billion, four hundred nine million, four hundred twenty-five thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.140942572 × 1010
Factors of 21409425720
Divisors of 21409425720
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 30 36 38 40 45 57 60 72 76 90 95 114 120 152 171 180 181 190 228 285 342 360 362 380 456 543 570 684 724 760 855 905 1086 1140 1368 1448 1629 1710 1810 2172 2280 2715 3258 3420 3439 3620 4344 5430 6516 6840 6878 7240 8145 10317 10860 13032 13756 16290 17195 17293 20634 21720 27512 30951 32580 34390 34586 41268 51585 51879 61902 65160 68780 69172 82536 86465 103170 103758 123804 137560 138344 154755 155637 172930 206340 207516 247608 259395 309510 311274 328567 345860 412680 415032 518790 619020 622548 657134 691720 778185 985701 1037580 1238040 1245096 1314268 1556370 1642835 1971402 2075160 2628536 2957103 3112740 3130033 3285670 3942804 4928505 5914206 6225480 6260066 6571340 7885608 9390099 9857010 11828412 12520132 13142680 14785515 15650165 18780198 19714020 23656824 25040264 28170297 29571030 31300330 37560396 39428040 46950495 56340594 59142060 59470627 62600660 75120792 93900990 112681188 118284120 118941254 125201320 140851485 178411881 187801980 225362376 237882508 281702970 297353135 356823762 375603960 475765016 535235643 563405940 594706270 713647524 892059405 1070471286 1126811880 1189412540 1427295048 1784118810 2140942572 2378825080 2676178215 3568237620 4281885144 5352356430 7136475240 10704712860 21409425720
- Sum of all divisors σ(n): 73651687200
- Sum of proper divisors (its aliquot sum) s(n): 52242261480
- 21409425720 is an abundant number, because the sum of its proper divisors (52242261480) is greater than itself. Its abundance is 30832835760
Bases of 21409425720
- Binary: 100111111000001100111101001001110002
- Hexadecimal: 0x4FC19E938
- Base-36: 9U2MAM0
Squares and roots of 21409425720
- 21409425720 squared (214094257202) is 458363509660197518400
- 21409425720 cubed (214094257203) is 9813299512828501210713133248000
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The
square root of 21409425720 is 146319.6012843117 -
The
cube root of 21409425720 is 2776.7386542843
Scales and comparisons
How big is 21409425720?- 21,409,425,720 seconds is equal to 680 years, 39 weeks, 1 day, 6 hours, 42 minutes.
-
To count from 1 to 21,409,425,720 would take you about one thousand, three hundred sixty-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 21409425720 cubic inches would be around 231.4 feet tall.
Recreational maths with 21409425720
- 21409425720 backwards is 02752490412
- 21409425720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21409425720's digits is 36
- More coming soon!
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