20398813440
20,398,813,440 is an even composite number composed of seven prime numbers multiplied together.
What does the number 20398813440 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 576 divisors.
20398813440 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of five hundred seventy-six divisors.
Prime factorization of 20398813440:
28 × 3 × 5 × 19 × 29 × 31 × 311
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 19 × 29 × 31 × 311)See below for interesting mathematical facts about the number 20398813440 from the Numbermatics database.
Names of 20398813440
- Cardinal: 20398813440 can be written as Twenty billion, three hundred ninety-eight million, eight hundred thirteen thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.039881344 × 1010
Factors of 20398813440
Divisors of 20398813440
- Number of divisors d(n): 576
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 19 20 24 29 30 31 32 38 40 48 57 58 60 62 64 76 80 87 93 95 96 114 116 120 124 128 145 152 155 160 174 186 190 192 228 232 240 248 256 285 290 304 310 311 320 348 372 380 384 435 456 464 465 480 496 551 570 580 589 608 620 622 640 696 744 760 768 870 899 912 928 930 933 960 992 1102 1140 1160 1178 1216 1240 1244 1280 1392 1488 1520 1555 1653 1740 1767 1798 1824 1856 1860 1866 1920 1984 2204 2280 2320 2356 2432 2480 2488 2697 2755 2784 2945 2976 3040 3110 3306 3480 3534 3596 3648 3712 3720 3732 3840 3968 4408 4495 4560 4640 4665 4712 4864 4960 4976 5394 5510 5568 5890 5909 5952 6080 6220 6612 6960 7068 7192 7296 7424 7440 7464 7936 8265 8816 8835 8990 9019 9120 9280 9330 9424 9641 9920 9952 10788 11020 11136 11780 11818 11904 12160 12440 13224 13485 13920 14136 14384 14592 14880 14928 16530 17081 17632 17670 17727 17980 18038 18240 18560 18660 18848 19282 19840 19904 21576 22040 22272 23560 23636 23808 24320 24880 26448 26970 27057 27840 28272 28768 28923 29545 29760 29856 33060 34162 35264 35340 35454 35960 36076 36480 37120 37320 37696 38564 39680 39808 43152 44080 45095 47120 47272 48205 49760 51243 52896 53940 54114 55680 56544 57536 57846 59090 59520 59712 66120 68324 70528 70680 70908 71920 72152 72960 74640 75392 77128 79616 85405 86304 88160 88635 90190 94240 94544 96410 99520 102486 105792 107880 108228 111360 113088 115072 115692 118180 119040 119424 132240 135285 136648 141056 141360 141816 143840 144304 144615 149280 150784 154256 170810 171361 172608 176320 177270 180380 183179 188480 189088 192820 199040 204972 211584 215760 216456 226176 230144 231384 236360 238848 256215 264480 270570 273296 279589 282720 283632 287680 288608 289230 298560 308512 341620 342722 345216 352640 354540 360760 366358 376960 378176 385640 398080 409944 423168 431520 432912 452352 462768 472720 512430 514083 528960 541140 546592 549537 559178 565440 567264 575360 577216 578460 597120 617024 683240 685444 690432 705280 709080 721520 732716 753920 756352 771280 819888 838767 856805 863040 865824 915895 925536 945440 1024860 1028166 1057920 1082280 1093184 1099074 1118356 1130880 1134528 1150720 1154432 1156920 1194240 1234048 1366480 1370888 1397945 1418160 1443040 1465432 1512704 1542560 1639776 1677534 1713610 1726080 1731648 1831790 1851072 1890880 2049720 2056332 2115840 2164560 2186368 2198148 2236712 2261760 2269056 2308864 2313840 2468096 2570415 2732960 2741776 2747685 2795890 2836320 2886080 2930864 3085120 3279552 3355068 3427220 3452160 3463296 3663580 3702144 3781760 4099440 4112664 4193835 4329120 4372736 4396296 4473424 4538112 4627680 5140830 5312191 5465920 5483552 5495370 5591780 5672640 5772160 5861728 6170240 6559104 6710136 6854440 6926592 7327160 7404288 7563520 8198880 8225328 8387670 8658240 8792592 8946848 9255360 10281660 10624382 10931840 10967104 10990740 11183560 11345280 11544320 11723456 12340480 13118208 13420272 13708880 14654320 15936573 16397760 16450656 16775340 17316480 17585184 17893696 18510720 20563320 21248764 21863680 21934208 21981480 22367120 22690560 23446912 26560955 26840544 27417760 29308640 31873146 32795520 32901312 33550680 34632960 35170368 35787392 37021440 41126640 42497528 43868416 43962960 44734240 46893824 53121910 53681088 54835520 58617280 63746292 65591040 65802624 67101360 70340736 71574784 79682865 82253280 84995056 87925920 89468480 106243820 107362176 109671040 117234560 127492584 131605248 134202720 140681472 159365730 164506560 169990112 175851840 178936960 212487640 214724352 219342080 234469120 254985168 268405440 318731460 329013120 339980224 351703680 357873920 424975280 509970336 536810880 637462920 658026240 679960448 703407360 849950560 1019940672 1073621760 1274925840 1359920896 1699901120 2039881344 2549851680 3399802240 4079762688 5099703360 6799604480 10199406720 20398813440
- Sum of all divisors σ(n): 73466265600
- Sum of proper divisors (its aliquot sum) s(n): 53067452160
- 20398813440 is an abundant number, because the sum of its proper divisors (53067452160) is greater than itself. Its abundance is 32668638720
Bases of 20398813440
- Binary: 100101111111101110100110001000000002
- Hexadecimal: 0x4BFDD3100
- Base-36: 9DCXD6O
Squares and roots of 20398813440
- 20398813440 squared (203988134402) is 416111589759924633600
- 20398813440 cubed (203988134403) is 8488182689734516989266755584000
-
The
square root of 20398813440 is 142824.4147196129 -
The
cube root of 20398813440 is 2732.3414387615
Scales and comparisons
How big is 20398813440?- 20,398,813,440 seconds is equal to 648 years, 32 weeks, 1 day, 9 hours, 4 minutes.
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To count from 1 to 20,398,813,440 would take you about one thousand, two hundred ninety-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 20398813440 cubic inches would be around 227.7 feet tall.
Recreational maths with 20398813440
- 20398813440 backwards is 04431889302
- The number of decimal digits it has is: 11
- The sum of 20398813440's digits is 42
- More coming soon!
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