21469790720
21,469,790,720 is an even composite number composed of five prime numbers multiplied together.
21469790720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 21469790720:
29 × 5 × 7 × 271 × 4421
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 271 × 4421)See below for interesting mathematical facts about the number 21469790720 from the Numbermatics database.
Names of 21469790720
- Cardinal: 21469790720 can be written as Twenty-one billion, four hundred sixty-nine million, seven hundred ninety thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.146979072 × 1010
Factors of 21469790720
Divisors of 21469790720
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 271 280 320 448 512 542 560 640 896 1084 1120 1280 1355 1792 1897 2168 2240 2560 2710 3584 3794 4336 4421 4480 5420 7588 8672 8842 8960 9485 10840 15176 17344 17684 17920 18970 21680 22105 30352 30947 34688 35368 37940 43360 44210 60704 61894 69376 70736 75880 86720 88420 121408 123788 138752 141472 151760 154735 173440 176840 242816 247576 282944 303520 309470 346880 353680 485632 495152 565888 607040 618940 693760 707360 971264 990304 1131776 1198091 1214080 1237880 1414720 1980608 2263552 2396182 2428160 2475760 2829440 3961216 4792364 4856320 4951520 5658880 5990455 7922432 8386637 9584728 9903040 11317760 11980910 15844864 16773274 19169456 19806080 23961820 33546548 38338912 39612160 41933185 47923640 67093096 76677824 79224320 83866370 95847280 134186192 153355648 167732740 191694560 268372384 306711296 335465480 383389120 536744768 613422592 670930960 766778240 1073489536 1341861920 1533556480 2146979072 2683723840 3067112960 4293958144 5367447680 10734895360 21469790720
- Sum of all divisors σ(n): 59061505536
- Sum of proper divisors (its aliquot sum) s(n): 37591714816
- 21469790720 is an abundant number, because the sum of its proper divisors (37591714816) is greater than itself. Its abundance is 16121924096
Bases of 21469790720
- Binary: 100111111111011001100000010000000002
- Hexadecimal: 0x4FFB30200
- Base-36: 9V2K4JK
Squares and roots of 21469790720
- 21469790720 squared (214697907202) is 460951913560598118400
- 21469790720 cubed (214697907203) is 9896541116129571640073781248000
-
The
square root of 21469790720 is 146525.7339855359 -
The
cube root of 21469790720 is 2779.3459255179
Scales and comparisons
How big is 21469790720?- 21,469,790,720 seconds is equal to 682 years, 34 weeks, 6 days, 22 hours, 45 minutes, 20 seconds.
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To count from 1 to 21,469,790,720 would take you about one thousand, three hundred sixty-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 21469790720 cubic inches would be around 231.6 feet tall.
Recreational maths with 21469790720
- 21469790720 backwards is 02709796412
- The number of decimal digits it has is: 11
- The sum of 21469790720's digits is 47
- More coming soon!
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