21538471681440
21,538,471,681,440 is an even composite number composed of six prime numbers multiplied together.
21538471681440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one thousand, two hundred ninety-six divisors.
Prime factorization of 21538471681440:
25 × 32 × 5 × 75 × 732 × 167
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 7 × 7 × 7 × 7 × 73 × 73 × 167)See below for interesting mathematical facts about the number 21538471681440 from the Numbermatics database.
Names of 21538471681440
- Cardinal: 21538471681440 can be written as Twenty-one trillion, five hundred thirty-eight billion, four hundred seventy-one million, six hundred eighty-one thousand, four hundred forty.
Scientific notation
- Scientific notation: 2.153847168144 × 1013
Factors of 21538471681440
Divisors of 21538471681440
- Number of divisors d(n): 1296
-
Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 49 56 60 63 70 72 73 80 84 90 96 98 105 112 120 126 140 144 146 147 160 167 168 180 196 210 219 224 240 245 252 280 288 292 294 315 334 336 343 360 365 392 420 438 441 480 490 501 504 511 560 584 588 630 657 668 672 686 720 730 735 784 835 840 876 882 980 1002 1008 1022 1029 1095 1120 1168 1169 1176 1260 1314 1336 1372 1440 1460 1470 1503 1533 1568 1670 1680 1715 1752 1764 1960 2004 2016 2044 2058 2190 2205 2336 2338 2352 2401 2505 2520 2555 2628 2672 2744 2920 2940 3006 3066 3087 3285 3340 3360 3430 3504 3507 3528 3577 3920 4008 4088 4116 4380 4410 4599 4676 4704 4802 5010 5040 5110 5145 5256 5329 5344 5488 5840 5845 5880 6012 6132 6174 6570 6680 6860 7008 7014 7056 7154 7203 7515 7665 7840 8016 8176 8183 8232 8760 8820 9198 9352 9604 10020 10080 10220 10290 10512 10521 10658 10731 10976 11680 11690 11760 12005 12024 12191 12264 12348 13140 13360 13720 14028 14112 14308 14406 15030 15330 15435 15987 16032 16352 16366 16464 16807 17520 17535 17640 17885 18396 18704 19208 20040 20440 20580 21024 21042 21316 21462 21609 22995 23380 23520 24010 24048 24382 24528 24549 24696 25039 26280 26645 26720 27440 28056 28616 28812 30060 30660 30870 31974 32193 32732 32928 33614 35040 35070 35280 35770 36015 36573 36792 37303 37408 38416 40080 40880 40915 41160 42084 42632 42924 43218 45990 46760 47961 48020 48096 48764 49056 49098 49392 50078 50421 52560 52605 53290 53655 54880 56112 57232 57281 57624 60120 60955 61320 61740 63948 64386 65464 67228 70140 70560 71540 72030 73146 73584 73647 74606 75117 76832 79935 80160 81760 81830 82320 84035 84168 85264 85337 85848 86436 91980 93520 95922 96040 97528 98196 98784 100156 100842 105120 105210 106580 107310 108045 109719 111909 112224 114464 114562 115248 120240 121910 122640 122745 123480 125195 127896 128772 130928 134456 140280 143080 144060 146292 147168 147294 149212 150234 151263 159870 160965 163660 164640 168070 168336 170528 170674 171696 171843 172872 175273 182865 183960 186515 187040 191844 192080 195056 196392 200312 201684 210420 213160 214620 216090 219438 223818 225351 229124 230496 239805 240480 243820 245280 245490 246960 250390 252105 255792 256011 257544 261121 261856 268912 280560 286160 286405 288120 292584 294588 298424 300468 302526 319740 321930 327320 335727 336140 336672 341348 343392 343686 345744 350546 365730 367920 368235 373030 375585 383688 384160 390112 392784 400624 400967 403368 420840 426320 426685 429240 432180 438876 447636 450702 458248 479610 487640 490980 493920 500780 504210 511584 512022 515088 515529 522242 525819 537824 548595 559545 561120 572320 572810 576240 585168 589176 596848 597359 600936 605052 639480 643860 654640 671454 672280 682696 687372 691488 701092 731460 735840 736470 746060 751170 756315 767376 768033 783363 785568 801248 801934 806736 841680 852640 853370 858480 859215 864360 876365 877752 889943 895272 901404 916496 959220 975280 981960 1001560 1008420 1024044 1030176 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9157513470 9212348880 9220236165 9768014368 9834918576 10465729680 10537412760 10683765715 10747740360 10989016164 12210017960 12293648220 12558875616 12820518858 12897288432 13736270205 14049883680 14330320480 14652021552 14752377864 14957272001 15698594520 16121610540 16391530960 17094025144 18315026940 18424697760 18440472330 19230778287 19669837152 20931459360 21074825520 21367531430 21495480720 21978032328 24420035920 24587296440 25641037716 25794576864 27472540410 29304043104 29504755728 29914544002 31397189040 32051297145 32243221080 32783061920 34188050288 36630053880 36880944660 38461556574 42149651040 42735062860 42990961440 43956064656 44871816003 48840071840 49174592880 51282075432 54945080820 59009511456 59829088004 62794378080 64102594290 64486442160 68376100576 73260107760 73761889320 74786360005 76923113148 85470125720 87912129312 89743632006 96153891435 98349185760 102564150864 109890161640 119658176008 128205188580 128972884320 134615448009 146520215520 147523778640 149572720010 153846226296 170940251440 179487264012 192307782870 205128301728 219780323280 224359080015 239316352016 256410377160 269230896018 295047557280 299145440020 307692452592 341880502880 358974528024 384615565740 439560646560 448718160030 478632704032 512820754320 538461792036 598290880040 615384905184 673077240045 717949056048 769231131480 897436320060 1025641508640 1076923584072 1196581760080 1346154480090 1435898112096 1538462262960 1794872640120 2153847168144 2393163520160 2692308960180 3076924525920 3589745280240 4307694336288 5384617920360 7179490560480 10769235840720 21538471681440
- Sum of all divisors σ(n): 87460649797248
- Sum of proper divisors (its aliquot sum) s(n): 65922178115808
- 21538471681440 is an abundant number, because the sum of its proper divisors (65922178115808) is greater than itself. Its abundance is 44383706434368
Bases of 21538471681440
- Binary: 1001110010110110100001111010000011101101000002
- Hexadecimal: 0x1396D0F41DA0
- Base-36: 7MUMXXK80
Squares and roots of 21538471681440
- 21538471681440 squared (215384716814402) is 463905762372192820840473600
- 21538471681440 cubed (215384716814403) is 9991821125710308988987812093397929984000
-
The
square root of 21538471681440 is 4640955.9016909437 -
The
cube root of 21538471681440 is 27823.0644131213
Scales and comparisons
How big is 21538471681440?- 21,538,471,681,440 seconds is equal to 684,856 years, 40 weeks, 2 days, 16 hours, 24 minutes.
-
To count from 1 to 21,538,471,681,440 would take you about one million, seven hundred twelve thousand, one hundred forty-one 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 21538471681440 cubic inches would be around 2318.6 feet tall.
Recreational maths with 21538471681440
- 21538471681440 backwards is 04418617483512
- The number of decimal digits it has is: 14
- The sum of 21538471681440's digits is 54
- More coming soon!
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The information we have on file for 21538471681440 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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