21353053440
21,353,053,440 is an even composite number composed of five prime numbers multiplied together.
21353053440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 21353053440:
28 × 3 × 5 × 59 × 3072
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 59 × 307 × 307)See below for interesting mathematical facts about the number 21353053440 from the Numbermatics database.
Names of 21353053440
- Cardinal: 21353053440 can be written as Twenty-one billion, three hundred fifty-three million, fifty-three thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.135305344 × 1010
Factors of 21353053440
Divisors of 21353053440
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 59 60 64 80 96 118 120 128 160 177 192 236 240 256 295 307 320 354 384 472 480 590 614 640 708 768 885 921 944 960 1180 1228 1280 1416 1535 1770 1842 1888 1920 2360 2456 2832 3070 3540 3684 3776 3840 4605 4720 4912 5664 6140 7080 7368 7552 9210 9440 9824 11328 12280 14160 14736 15104 18113 18420 18880 19648 22656 24560 28320 29472 36226 36840 37760 39296 45312 49120 54339 56640 58944 72452 73680 75520 78592 90565 94249 98240 108678 113280 117888 144904 147360 181130 188498 196480 217356 226560 235776 271695 282747 289808 294720 362260 376996 392960 434712 471245 543390 565494 579616 589440 724520 753992 869424 942490 1086780 1130988 1159232 1178880 1413735 1449040 1507984 1738848 1884980 2173560 2261976 2318464 2827470 2898080 3015968 3477696 3769960 4347120 4523952 4636928 5560691 5654940 5796160 6031936 6955392 7539920 8694240 9047904 11121382 11309880 11592320 12063872 13910784 15079840 16682073 17388480 18095808 22242764 22619760 23184640 24127744 27803455 30159680 33364146 34776960 36191616 44485528 45239520 55606910 60319360 66728292 69553920 72383232 83410365 88971056 90479040 111213820 120638720 133456584 166820730 177942112 180958080 222427640 266913168 333641460 355884224 361916160 444855280 533826336 667282920 711768448 889710560 1067652672 1334565840 1423536896 1779421120 2135305344 2669131680 3558842240 4270610688 5338263360 7117684480 10676526720 21353053440
- Sum of all divisors σ(n): 69578822880
- Sum of proper divisors (its aliquot sum) s(n): 48225769440
- 21353053440 is an abundant number, because the sum of its proper divisors (48225769440) is greater than itself. Its abundance is 26872716000
Bases of 21353053440
- Binary: 100111110001011110110111101000000002
- Hexadecimal: 0x4F8BDBD00
- Base-36: 9T521HC
Squares and roots of 21353053440
- 21353053440 squared (213530534402) is 455952891211495833600
- 21353053440 cubed (213530534403) is 9735986452161576877198147584000
-
The
square root of 21353053440 is 146126.8402450419 -
The
cube root of 21353053440 is 2774.2994066141
Scales and comparisons
How big is 21353053440?- 21,353,053,440 seconds is equal to 678 years, 49 weeks, 6 days, 19 hours, 44 minutes.
-
To count from 1 to 21,353,053,440 would take you about one thousand, three hundred fifty-seven 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 21353053440 cubic inches would be around 231.2 feet tall.
Recreational maths with 21353053440
- 21353053440 backwards is 04435035312
- 21353053440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21353053440's digits is 30
- More coming soon!
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