21292129440
21,292,129,440 is an even composite number composed of six prime numbers multiplied together.
21292129440 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 21292129440:
25 × 32 × 5 × 29 × 83 × 6143
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 29 × 83 × 6143)See below for interesting mathematical facts about the number 21292129440 from the Numbermatics database.
Names of 21292129440
- Cardinal: 21292129440 can be written as Twenty-one billion, two hundred ninety-two million, one hundred twenty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.129212944 × 1010
Factors of 21292129440
Divisors of 21292129440
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 29 30 32 36 40 45 48 58 60 72 80 83 87 90 96 116 120 144 145 160 166 174 180 232 240 249 261 288 290 332 348 360 415 435 464 480 498 522 580 664 696 720 747 830 870 928 996 1044 1160 1245 1305 1328 1392 1440 1494 1660 1740 1992 2088 2320 2407 2490 2610 2656 2784 2988 3320 3480 3735 3984 4176 4640 4814 4980 5220 5976 6143 6640 6960 7221 7470 7968 8352 9628 9960 10440 11952 12035 12286 13280 13920 14442 14940 18429 19256 19920 20880 21663 23904 24070 24572 28884 29880 30715 36105 36858 38512 39840 41760 43326 48140 49144 55287 57768 59760 61430 72210 73716 77024 86652 92145 96280 98288 108315 110574 115536 119520 122860 144420 147432 173304 178147 184290 192560 196576 216630 221148 231072 245720 276435 288840 294864 346608 356294 368580 385120 433260 442296 491440 509869 534441 552870 577680 589728 693216 712588 737160 866520 884592 890735 982880 1019738 1068882 1105740 1155360 1425176 1474320 1529607 1603323 1733040 1769184 1781470 2039476 2137764 2211480 2549345 2672205 2850352 2948640 3059214 3206646 3466080 3562940 4078952 4275528 4422960 4588821 5098690 5344410 5700704 6118428 6413292 7125880 7648035 8016615 8157904 8551056 8845920 9177642 10197380 10688820 12236856 12826584 14251760 14786201 15296070 16033230 16315808 17102112 18355284 20394760 21377640 22944105 24473712 25653168 28503520 29572402 30592140 32066460 36710568 40789520 42755280 44358603 45888210 48947424 51306336 59144804 61184280 64132920 73421136 73931005 81579040 85510560 88717206 91776420 118289608 122368560 128265840 133075809 146842272 147862010 177434412 183552840 221793015 236579216 244737120 256531680 266151618 295724020 354868824 367105680 443586030 473158432 532303236 591448040 665379045 709737648 734211360 887172060 1064606472 1182896080 1330758090 1419475296 1774344120 2129212944 2365792160 2661516180 3548688240 4258425888 5323032360 7097376480 10646064720 21292129440
- Sum of all divisors σ(n): 76082872320
- Sum of proper divisors (its aliquot sum) s(n): 54790742880
- 21292129440 is an abundant number, because the sum of its proper divisors (54790742880) is greater than itself. Its abundance is 33498613440
Bases of 21292129440
- Binary: 100111101010001110000011100101000002
- Hexadecimal: 0x4F51C1CA0
- Base-36: 9S4S880
Squares and roots of 21292129440
- 21292129440 squared (212921294402) is 453354776089714713600
- 21292129440 cubed (212921294403) is 9652888574744422734643728384000
-
The
square root of 21292129440 is 145918.2286076691 -
The
cube root of 21292129440 is 2771.6583725963
Scales and comparisons
How big is 21292129440?- 21,292,129,440 seconds is equal to 677 years, 1 week, 1 day, 16 hours, 24 minutes.
-
To count from 1 to 21,292,129,440 would take you about one thousand, three hundred fifty-four 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 21292129440 cubic inches would be around 231 feet tall.
Recreational maths with 21292129440
- 21292129440 backwards is 04492129212
- 21292129440 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21292129440's digits is 36
- More coming soon!
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