21056423040
21,056,423,040 is an even composite number composed of five prime numbers multiplied together.
21056423040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21056423040:
27 × 34 × 5 × 17 × 23893
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 17 × 23893)See below for interesting mathematical facts about the number 21056423040 from the Numbermatics database.
Names of 21056423040
- Cardinal: 21056423040 can be written as Twenty-one billion, fifty-six million, four hundred twenty-three thousand and forty.
Scientific notation
- Scientific notation: 2.105642304 × 1010
Factors of 21056423040
Divisors of 21056423040
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 32 34 36 40 45 48 51 54 60 64 68 72 80 81 85 90 96 102 108 120 128 135 136 144 153 160 162 170 180 192 204 216 240 255 270 272 288 306 320 324 340 360 384 405 408 432 459 480 510 540 544 576 612 640 648 680 720 765 810 816 864 918 960 1020 1080 1088 1152 1224 1296 1360 1377 1440 1530 1620 1632 1728 1836 1920 2040 2160 2176 2295 2448 2592 2720 2754 2880 3060 3240 3264 3456 3672 4080 4320 4590 4896 5184 5440 5508 5760 6120 6480 6528 6885 7344 8160 8640 9180 9792 10368 10880 11016 12240 12960 13770 14688 16320 17280 18360 19584 22032 23893 24480 25920 27540 29376 32640 36720 44064 47786 48960 51840 55080 58752 71679 73440 88128 95572 97920 110160 119465 143358 146880 176256 191144 215037 220320 238930 286716 293760 358395 382288 406181 430074 440640 477860 573432 645111 716790 764576 812362 860148 881280 955720 1075185 1146864 1218543 1290222 1433580 1529152 1624724 1720296 1911440 1935333 2030905 2150370 2293728 2437086 2580444 2867160 3058304 3225555 3249448 3440592 3655629 3822880 3870666 4061810 4300740 4587456 4874172 5160888 5734320 6092715 6451110 6498896 6881184 7311258 7645760 7741332 8123620 8601480 9174912 9676665 9748344 10321776 10966887 11468640 12185430 12902220 12997792 13762368 14622516 15291520 15482664 16247240 17202960 18278145 19353330 19496688 20643552 21933774 22937280 24370860 25804440 25995584 27524736 29245032 30965328 32494480 32900661 34405920 36556290 38706660 38993376 41287104 43867548 45874560 48741720 51608880 51991168 54834435 58490064 61930656 64988960 65801322 68811840 73112580 77413320 77986752 82574208 87735096 97483440 103217760 109668870 116980128 123861312 129977920 131602644 137623680 146225160 154826640 155973504 164503305 175470192 194966880 206435520 219337740 233960256 247722624 259955840 263205288 292450320 309653280 329006610 350940384 389933760 412871040 438675480 467920512 526410576 584900640 619306560 658013220 701880768 779867520 877350960 1052821152 1169801280 1238613120 1316026440 1403761536 1754701920 2105642304 2339602560 2632052880 3509403840 4211284608 5264105760 7018807680 10528211520 21056423040
- Sum of all divisors σ(n): 79622931960
- Sum of proper divisors (its aliquot sum) s(n): 58566508920
- 21056423040 is an abundant number, because the sum of its proper divisors (58566508920) is greater than itself. Its abundance is 37510085880
Bases of 21056423040
- Binary: 100111001110000111110000100100000002
- Hexadecimal: 0x4E70F8480
- Base-36: 9O8G800
Squares and roots of 21056423040
- 21056423040 squared (210564230402) is 443372951239442841600
- 21056423040 cubed (210564230403) is 9335848425791000806629310464000
-
The
square root of 21056423040 is 145108.3148548005 -
The
cube root of 21056423040 is 2761.3928697309
Scales and comparisons
How big is 21056423040?- 21,056,423,040 seconds is equal to 669 years, 27 weeks, 3 days, 14 hours, 24 minutes.
-
To count from 1 to 21,056,423,040 would take you about one thousand, three hundred thirty-nine 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 21056423040 cubic inches would be around 230.1 feet tall.
Recreational maths with 21056423040
- 21056423040 backwards is 04032465012
- 21056423040 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21056423040's digits is 27
- More coming soon!
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