20817025920
20,817,025,920 is an even composite number composed of six prime numbers multiplied together.
20817025920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of six hundred forty divisors.
Prime factorization of 20817025920:
27 × 34 × 5 × 29 × 61 × 227
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 29 × 61 × 227)See below for interesting mathematical facts about the number 20817025920 from the Numbermatics database.
Names of 20817025920
- Cardinal: 20817025920 can be written as Twenty billion, eight hundred seventeen million, twenty-five thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 2.081702592 × 1010
Factors of 20817025920
Divisors of 20817025920
- Number of divisors d(n): 640
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 32 36 40 45 48 54 58 60 61 64 72 80 81 87 90 96 108 116 120 122 128 135 144 145 160 162 174 180 183 192 216 227 232 240 244 261 270 288 290 305 320 324 348 360 366 384 405 432 435 454 464 480 488 522 540 549 576 580 610 640 648 681 696 720 732 783 810 864 870 908 915 928 960 976 1044 1080 1098 1135 1152 1160 1220 1296 1305 1362 1392 1440 1464 1566 1620 1647 1728 1740 1769 1816 1830 1856 1920 1952 2043 2088 2160 2196 2270 2320 2349 2440 2592 2610 2724 2745 2784 2880 2928 3132 3240 3294 3405 3456 3480 3538 3632 3660 3712 3904 3915 4086 4176 4320 4392 4540 4640 4698 4880 4941 5184 5220 5307 5448 5490 5568 5760 5856 6129 6264 6480 6583 6588 6810 6960 7076 7264 7320 7808 7830 8172 8235 8352 8640 8784 8845 9080 9280 9396 9760 9882 10215 10368 10440 10614 10896 10980 11136 11712 11745 12258 12528 12960 13166 13176 13620 13847 13920 14152 14528 14640 15660 15921 16344 16470 16704 17280 17568 17690 18160 18387 18560 18792 19520 19749 19764 20430 20880 21228 21792 21960 23424 23490 24516 24705 25056 25920 26332 26352 26535 27240 27694 27840 28304 29056 29280 30645 31320 31842 32688 32915 32940 33408 35136 35380 36320 36774 37584 39040 39498 39528 40860 41541 41760 42456 43584 43920 46980 47763 49032 49410 50112 51840 52664 52704 53070 54480 55388 55680 56608 58560 59247 61290 62640 63684 65376 65830 65880 69235 70272 70760 72640 73548 75168 78996 79056 79605 81720 83082 83520 84912 87168 87840 91935 93960 95526 98064 98745 98820 100224 105328 105408 106140 108960 110776 113216 117120 118494 122580 124623 125280 127368 130752 131660 131760 138470 141520 143289 145280 147096 150336 157992 158112 159210 163440 166164 167040 169824 175680 177741 183870 187920 191052 196128 197490 197640 207705 210656 210816 212280 217920 221552 226432 236988 238815 245160 249246 250560 254736 261504 263320 263520 276940 283040 286578 294192 296235 300672 315984 316224 318420 326880 332328 339648 351360 355482 367740 373869 375840 382104 392256 394980 395280 401563 415410 421312 424560 435840 443104 473976 477630 490320 498492 501120 509472 526640 527040 533223 553880 566080 573156 588384 592470 623115 631968 632448 636840 653760 664656 679296 710964 716445 735480 747738 751680 764208 784512 789960 790560 803126 830820 842624 849120 886208 888705 947952 955260 980640 996984 1018944 1053280 1054080 1066446 1107760 1121607 1132160 1146312 1176768 1184940 1204689 1246230 1263936 1273680 1307520 1329312 1421928 1432890 1470960 1495476 1503360 1528416 1579920 1581120 1606252 1661640 1698240 1772416 1777410 1869345 1895904 1910520 1961280 1993968 2007815 2037888 2106560 2132892 2215520 2243214 2292624 2353536 2369880 2409378 2492460 2527872 2547360 2658624 2666115 2843856 2865780 2941920 2990952 3056832 3159840 3162240 3212504 3323280 3396480 3554820 3614067 3738690 3791808 3821040 3922560 3987936 4015630 4213120 4265784 4431040 4486428 4585248 4739760 4818756 4984920 5094720 5317248 5332230 5608035 5687712 5731560 5883840 5981904 6023445 6113664 6319680 6425008 6646560 7109640 7228134 7477380 7583616 7642080 7975872 8031260 8531568 8862080 8972856 9170496 9479520 9637512 9969840 10189440 10664460 10842201 11216070 11375424 11463120 11767680 11963808 12046890 12639360 12850016 13293120 14219280 14456268 14954760 15284160 15951744 16062520 17063136 17945712 18070335 18340992 18959040 19275024 19939680 21328920 21684402 22432140 22750848 22926240 23927616 24093780 25700032 26586240 28438560 28912536 29909520 30568320 32125040 32526603 34126272 35891424 36140670 37918080 38550048 39879360 42657840 43368804 44864280 45852480 47855232 48187560 51400064 54211005 56877120 57825072 59819040 64250080 65053206 68252544 71782848 72281340 77100096 79758720 85315680 86737608 89728560 91704960 96375120 108422010 113754240 115650144 119638080 128500160 130106412 143565696 144562680 154200192 162633015 170631360 173475216 179457120 192750240 216844020 231300288 239276160 257000320 260212824 289125360 325266030 341262720 346950432 358914240 385500480 433688040 462600576 520425648 578250720 650532060 693900864 717828480 771000960 867376080 1040851296 1156501440 1301064120 1387801728 1734752160 2081702592 2313002880 2602128240 3469504320 4163405184 5204256480 6939008640 10408512960 20817025920
- Sum of all divisors σ(n): 78509930400
- Sum of proper divisors (its aliquot sum) s(n): 57692904480
- 20817025920 is an abundant number, because the sum of its proper divisors (57692904480) is greater than itself. Its abundance is 36875878560
Bases of 20817025920
- Binary: 100110110001100101010011011100000002
- Hexadecimal: 0x4D8CA9B80
- Base-36: 9K9X400
Squares and roots of 20817025920
- 20817025920 squared (208170259202) is 433348568153951846400
- 20817025920 cubed (208170259203) is 9021028375655702136940658688000
-
The
square root of 20817025920 is 144281.0657016367 -
The
cube root of 20817025920 is 2750.8879081061
Scales and comparisons
How big is 20817025920?- 20,817,025,920 seconds is equal to 661 years, 47 weeks, 4 days, 19 hours, 12 minutes.
-
To count from 1 to 20,817,025,920 would take you about one thousand, three hundred twenty-three 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 20817025920 cubic inches would be around 229.2 feet tall.
Recreational maths with 20817025920
- 20817025920 backwards is 02952071802
- 20817025920 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20817025920's digits is 36
- More coming soon!
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