21321392251720
21,321,392,251,720 is an even composite number composed of seven prime numbers multiplied together.
21321392251720 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21321392251720:
23 × 5 × 112 × 61 × 71 × 127 × 8009
(2 × 2 × 2 × 5 × 11 × 11 × 61 × 71 × 127 × 8009)See below for interesting mathematical facts about the number 21321392251720 from the Numbermatics database.
Names of 21321392251720
- Cardinal: 21321392251720 can be written as Twenty-one trillion, three hundred twenty-one billion, three hundred ninety-two million, two hundred fifty-one thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 2.132139225172 × 1013
Factors of 21321392251720
Divisors of 21321392251720
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 4 5 8 10 11 20 22 40 44 55 61 71 88 110 121 122 127 142 220 242 244 254 284 305 355 440 484 488 508 568 605 610 635 671 710 781 968 1016 1210 1220 1270 1342 1397 1420 1562 2420 2440 2540 2684 2794 2840 3124 3355 3905 4331 4840 5080 5368 5588 6248 6710 6985 7381 7747 7810 8009 8591 8662 9017 11176 13420 13970 14762 15367 15494 15620 16018 17182 17324 18034 21655 26840 27940 29524 30734 30988 31240 32036 34364 34648 36068 36905 38735 40045 42955 43310 45085 47641 55880 59048 61468 61976 64072 68728 72136 73810 76835 77470 80090 85217 85910 86620 88099 90170 95282 99187 122936 147620 153670 154940 160180 170434 171820 173240 176198 180340 190564 198374 238205 295240 307340 309880 320360 340868 343640 352396 360680 381128 396748 426085 440495 476410 488549 495935 524051 550037 568639 614680 681736 704792 793496 852170 880990 937387 952820 969089 977098 991870 1017143 1048102 1091057 1100074 1137278 1704340 1761980 1874774 1905640 1938178 1954196 1983740 2034286 2096204 2182114 2200148 2274556 2442745 2620255 2750185 2843195 3408680 3523960 3749548 3876356 3908392 3967480 4068572 4192408 4364228 4400296 4549112 4686935 4845445 4885490 5085715 5240510 5374039 5455285 5500370 5686390 6050407 6255029 7499096 7752712 8137144 8728456 9373870 9690890 9770980 10171430 10481020 10748078 10910570 11000740 11188573 11372780 12100814 12510058 18747740 19381780 19541960 20342860 20962040 21496156 21821140 22001480 22377146 22745560 24201628 25020116 26870195 30252035 31275145 34686979 37495480 38763560 40685720 42992312 43642280 44754292 48403256 50040232 53740390 55942865 59114429 60504070 62045723 62550290 66554477 68805319 69373958 72217153 89508584 107480780 111885730 118228858 121008140 123074303 124091446 125100580 133108954 137610638 138747916 144434306 173434895 214961560 223771460 236457716 242016280 246148606 248182892 250201160 266217908 275221276 277495832 288868612 295572145 310228615 332772385 344026595 346869790 361085765 381556769 447542920 472915432 492297212 496365784 532435816 550442552 577737224 591144290 615371515 620457230 665544770 682502953 688053190 693739580 722171530 763113538 794388683 984594424 1182288580 1230743030 1240914460 1331089540 1365005906 1376106380 1387479160 1444343060 1526227076 1588777366 1907783845 2364577160 2461486060 2481828920 2662179080 2730011812 2752212760 2888686120 3052454152 3177554732 3412514765 3815567690 3971943415 4197124459 4405246333 4922972120 5460023624 6355109464 6825029530 7507532483 7631135380 7943886830 8394248918 8738275513 8810492666 13650059060 15015064966 15262270760 15887773660 16788497836 17476551026 17620985332 20985622295 22026231665 27300118120 30030129932 31775547320 33576995672 34953102052 35241970664 37537662415 41971244590 43691377565 44052463330 48457709663 60060259864 69906204104 75075324830 83942489180 87382755130 88104926660 96915419326 150150649660 167884978360 174765510260 176209853320 193830838652 242288548315 300301299320 349531020520 387661677304 484577096630 533034806293 969154193260 1066069612586 1938308386520 2132139225172 2665174031465 4264278450344 5330348062930 10660696125860 21321392251720
- Sum of all divisors σ(n): 54784893542400
- Sum of proper divisors (its aliquot sum) s(n): 33463501290680
- 21321392251720 is an abundant number, because the sum of its proper divisors (33463501290680) is greater than itself. Its abundance is 12142109038960
Bases of 21321392251720
- Binary: 1001101100100010001100000001011100011010010002
- Hexadecimal: 0x13644602E348
- Base-36: 7K2WUG094
Squares and roots of 21321392251720
- 21321392251720 squared (213213922517202) is 454601767551705651842958400
- 21321392251720 cubed (213213922517203) is 9692742604295153399674585168002288448000
-
The
square root of 21321392251720 is 4617509.3125753411 -
The
cube root of 21321392251720 is 27729.2753310091
Scales and comparisons
How big is 21321392251720?- 21,321,392,251,720 seconds is equal to 677,954 years, 16 weeks, 5 days, 6 hours, 48 minutes, 40 seconds.
-
To count from 1 to 21,321,392,251,720 would take you about one million, six hundred ninety-four thousand, eight hundred eighty-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 21321392251720 cubic inches would be around 2310.8 feet tall.
Recreational maths with 21321392251720
- 21321392251720 backwards is 02715229312312
- 21321392251720 is a
Harshad number . - The number of decimal digits it has is: 14
- The sum of 21321392251720's digits is 40
- More coming soon!
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