21461387400
21,461,387,400 is an even composite number composed of six prime numbers multiplied together.
21461387400 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 21461387400:
23 × 34 × 52 × 23 × 239 × 241
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 5 × 5 × 23 × 239 × 241)See below for interesting mathematical facts about the number 21461387400 from the Numbermatics database.
Names of 21461387400
- Cardinal: 21461387400 can be written as Twenty-one billion, four hundred sixty-one million, three hundred eighty-seven thousand, four hundred.
Scientific notation
- Scientific notation: 2.14613874 × 1010
Factors of 21461387400
Divisors of 21461387400
- Number of divisors d(n): 480
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 18 20 23 24 25 27 30 36 40 45 46 50 54 60 69 72 75 81 90 92 100 108 115 120 135 138 150 162 180 184 200 207 216 225 230 239 241 270 276 300 324 345 360 405 414 450 460 478 482 540 552 575 600 621 648 675 690 717 723 810 828 900 920 956 964 1035 1080 1150 1195 1205 1242 1350 1380 1434 1446 1620 1656 1725 1800 1863 1912 1928 2025 2070 2151 2169 2300 2390 2410 2484 2700 2760 2868 2892 3105 3240 3450 3585 3615 3726 4050 4140 4302 4338 4600 4780 4820 4968 5175 5400 5497 5543 5736 5784 5975 6025 6210 6453 6507 6900 7170 7230 7452 8100 8280 8604 8676 9315 9560 9640 10350 10755 10845 10994 11086 11950 12050 12420 12906 13014 13800 14340 14460 14904 15525 16200 16491 16629 17208 17352 17925 18075 18630 19359 19521 20700 21510 21690 21988 22172 23900 24100 24840 25812 26028 27485 27715 28680 28920 31050 32265 32535 32982 33258 35850 36150 37260 38718 39042 41400 43020 43380 43976 44344 46575 47800 48200 49473 49887 51624 52056 53775 54225 54970 55430 57599 62100 64530 65070 65964 66516 71700 72300 74520 77436 78084 82455 83145 86040 86760 93150 96795 97605 98946 99774 107550 108450 109940 110860 115198 124200 129060 130140 131928 133032 137425 138575 143400 144600 148419 149661 154872 156168 161325 162675 164910 166290 172797 186300 193590 195210 197892 199548 215100 216900 219880 221720 230396 247365 249435 258120 260280 274850 277150 287995 296838 299322 322650 325350 329820 332580 345594 372600 387180 390420 395784 399096 412275 415725 430200 433800 445257 448983 460792 483975 488025 494730 498870 518391 549700 554300 575990 593676 598644 645300 650700 659640 665160 691188 742095 748305 774360 780840 824550 831450 863985 890514 897966 967950 976050 989460 997740 1036782 1099400 1108600 1151980 1187352 1197288 1236825 1247175 1290600 1301400 1324777 1382376 1439975 1484190 1496610 1555173 1649100 1662900 1727970 1781028 1795932 1935900 1952100 1978920 1995480 2073564 2226285 2244915 2303960 2473650 2494350 2591955 2649554 2879950 2968380 2993220 3110346 3298200 3325800 3455940 3562056 3591864 3710475 3741525 3871800 3904200 3974331 4147128 4319925 4452570 4489830 4665519 4947300 4988700 5183910 5299108 5759900 5936760 5986440 6220692 6623885 6911880 7420950 7483050 7775865 7948662 8639850 8905140 8979660 9331038 9894600 9977400 10367820 10598216 11131425 11224575 11519800 11922993 12441384 12959775 13247770 14841900 14966100 15551730 15897324 17279700 17810280 17959320 18662076 19871655 20735640 22262850 22449150 23327595 23845986 25919550 26495540 29683800 29932200 31103460 31794648 33119425 34559400 35768979 37324152 38879325 39743310 44525700 44898300 46655190 47691972 51839100 52991080 59614965 62206920 66238850 71537958 77758650 79486620 89051400 89796600 93310380 95383944 99358275 103678200 107306937 116637975 119229930 132477700 143075916 155517300 158973240 178844895 186620760 198716550 214613874 233275950 238459860 264955400 286151832 298074825 311034600 357689790 397433100 429227748 466551900 476919720 536534685 596149650 715379580 794866200 858455496 894224475 933103800 1073069370 1192299300 1430759160 1788448950 2146138740 2384598600 2682673425 3576897900 4292277480 5365346850 7153795800 10730693700 21461387400
- Sum of all divisors σ(n): 78428908800
- Sum of proper divisors (its aliquot sum) s(n): 56967521400
- 21461387400 is an abundant number, because the sum of its proper divisors (56967521400) is greater than itself. Its abundance is 35506134000
Bases of 21461387400
- Binary: 100111111110011001011001000100010002
- Hexadecimal: 0x4FF32C888
- Base-36: 9UXK0I0
Squares and roots of 21461387400
- 21461387400 squared (214613874002) is 460591149132878760000
- 21461387400 cubed (214613874003) is 9884925084551885145591624000000
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The
square root of 21461387400 is 146497.0559431145 -
The
cube root of 21461387400 is 2778.9832643049
Scales and comparisons
How big is 21461387400?- 21,461,387,400 seconds is equal to 682 years, 21 weeks, 16 hours, 30 minutes.
-
To count from 1 to 21,461,387,400 would take you about one thousand, three hundred sixty-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 21461387400 cubic inches would be around 231.6 feet tall.
Recreational maths with 21461387400
- 21461387400 backwards is 00478316412
- 21461387400 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21461387400's digits is 36
- More coming soon!
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