21318301872
21,318,301,872 is an even composite number composed of six prime numbers multiplied together.
21318301872 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred divisors.
Prime factorization of 21318301872:
24 × 34 × 7 × 19 × 337 × 367
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 × 19 × 337 × 367)See below for interesting mathematical facts about the number 21318301872 from the Numbermatics database.
Names of 21318301872
- Cardinal: 21318301872 can be written as Twenty-one billion, three hundred eighteen million, three hundred one thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 2.1318301872 × 1010
Factors of 21318301872
Divisors of 21318301872
- Number of divisors d(n): 400
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 19 21 24 27 28 36 38 42 48 54 56 57 63 72 76 81 84 108 112 114 126 133 144 152 162 168 171 189 216 228 252 266 304 324 336 337 342 367 378 399 432 456 504 513 532 567 648 674 684 734 756 798 912 1008 1011 1026 1064 1101 1134 1197 1296 1348 1368 1468 1512 1539 1596 2022 2052 2128 2202 2268 2359 2394 2569 2696 2736 2936 3024 3033 3078 3192 3303 3591 4044 4104 4404 4536 4718 4788 5138 5392 5872 6066 6156 6384 6403 6606 6973 7077 7182 7707 8088 8208 8808 9072 9099 9436 9576 9909 10276 10773 12132 12312 12806 13212 13946 14154 14364 15414 16176 17616 18198 18872 19152 19209 19818 20552 20919 21231 21546 23121 24264 24624 25612 26424 27297 27892 28308 28728 29727 30828 36396 37744 38418 39636 41104 41838 42462 43092 44821 46242 48528 48811 51224 52848 54594 55784 56616 57456 57627 59454 61656 62757 63693 69363 72792 76836 79272 83676 84924 86184 89642 92484 97622 102448 109188 111568 113232 115254 118908 123312 123679 125514 127386 134463 138726 145584 146433 153672 158544 167352 169848 172368 172881 179284 184968 188271 191079 195244 208089 218376 230508 237816 247358 251028 254772 268926 277452 292866 307344 334704 339696 345762 358568 369936 371037 376542 382158 390488 403389 416178 436752 439299 461016 475632 494716 502056 509544 518643 537852 554904 564813 585732 691524 717136 742074 753084 764316 780976 806778 832356 865753 878598 922032 989432 1004112 1019088 1037286 1075704 1109808 1113111 1129626 1171464 1210167 1317897 1383048 1484148 1506168 1528632 1613556 1664712 1731506 1757196 1978864 2074572 2151408 2226222 2259252 2342928 2349901 2420334 2597259 2635794 2766096 2968296 3012336 3057264 3227112 3329424 3339333 3463012 3514392 3630501 3953691 4149144 4452444 4518504 4699802 4840668 5194518 5271588 5936592 6454224 6678666 6926024 7028784 7049703 7261002 7791777 7907382 8298288 8904888 9037008 9399604 9681336 10017999 10389036 10543176 13357332 13852048 14099406 14522004 15583554 15814764 16449307 17809776 18799208 19362672 20035998 20778072 21086352 21149109 23375331 26714664 28198812 29044008 31167108 31629528 32898614 37598416 40071996 41556144 42298218 46750662 49347921 53429328 56397624 58088016 62334216 63259056 63447327 65797228 70125993 80143992 84596436 93501324 98695842 112795248 124668432 126894654 131594456 140251986 148043763 160287984 169192872 187002648 190341981 197391684 253789308 263188912 280503972 296087526 338385744 374005296 380683962 394783368 444131289 507578616 561007944 592175052 761367924 789566736 888262578 1015157232 1122015888 1184350104 1332393867 1522735848 1776525156 2368700208 2664787734 3045471696 3553050312 5329575468 7106100624 10659150936 21318301872
- Sum of all divisors σ(n): 74650301440
- Sum of proper divisors (its aliquot sum) s(n): 53331999568
- 21318301872 is an abundant number, because the sum of its proper divisors (53331999568) is greater than itself. Its abundance is 32013697696
Bases of 21318301872
- Binary: 100111101101010101101111000101100002
- Hexadecimal: 0x4F6AB78B0
- Base-36: 9SKD700
Squares and roots of 21318301872
- 21318301872 squared (213183018722) is 454469994705718704384
- 21318301872 cubed (213183018723) is 9688528538902753144774841806848
-
The
square root of 21318301872 is 146007.8829104785 -
The
cube root of 21318301872 is 2772.7935547789
Scales and comparisons
How big is 21318301872?- 21,318,301,872 seconds is equal to 677 years, 44 weeks, 3 days, 14 hours, 31 minutes, 12 seconds.
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To count from 1 to 21,318,301,872 would take you about one thousand, three hundred fifty-five 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 21318301872 cubic inches would be around 231.1 feet tall.
Recreational maths with 21318301872
- 21318301872 backwards is 27810381312
- 21318301872 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21318301872's digits is 36
- More coming soon!
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The information we have on file for 21318301872 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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