21432728460
21,432,728,460 is an even composite number composed of eight prime numbers multiplied together.
21432728460 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 21432728460:
22 × 3 × 5 × 11 × 13 × 19 × 73 × 1801
(2 × 2 × 3 × 5 × 11 × 13 × 19 × 73 × 1801)See below for interesting mathematical facts about the number 21432728460 from the Numbermatics database.
Names of 21432728460
- Cardinal: 21432728460 can be written as Twenty-one billion, four hundred thirty-two million, seven hundred twenty-eight thousand, four hundred sixty.
Scientific notation
- Scientific notation: 2.143272846 × 1010
Factors of 21432728460
Divisors of 21432728460
- Number of divisors d(n): 384
-
Complete list of divisors:
1 2 3 4 5 6 10 11 12 13 15 19 20 22 26 30 33 38 39 44 52 55 57 60 65 66 73 76 78 95 110 114 130 132 143 146 156 165 190 195 209 219 220 228 247 260 285 286 292 330 365 380 390 418 429 438 494 570 572 627 660 715 730 741 780 803 836 858 876 949 988 1045 1095 1140 1235 1254 1387 1430 1460 1482 1606 1716 1801 1898 2090 2145 2190 2409 2470 2508 2717 2774 2847 2860 2964 3135 3212 3602 3705 3796 4015 4161 4180 4290 4380 4745 4818 4940 5403 5434 5548 5694 6270 6935 7204 7410 8030 8151 8322 8580 9005 9490 9636 10439 10806 10868 11388 12045 12540 13585 13870 14235 14820 15257 16060 16302 16644 18010 18031 18980 19811 20805 20878 21612 23413 24090 27015 27170 27740 28470 30514 31317 32604 34219 36020 36062 39622 40755 41610 41756 45771 46826 48180 52195 54030 54093 54340 56940 59433 61028 62634 68438 70239 72124 76285 79244 81510 83220 90155 91542 93652 99055 102657 104390 108060 108186 117065 118866 125268 131473 136876 140478 152570 156585 163020 171095 180310 183084 198110 198341 205314 208780 216372 228855 234130 237732 257543 262946 270465 280956 297165 305140 313170 342190 351195 360620 376409 394419 396220 396682 410628 444847 457710 468260 513285 515086 525892 540930 594330 595023 626340 657365 684380 702390 752818 772629 788838 793364 889694 915420 991705 1026570 1030172 1081860 1129227 1188660 1190046 1287715 1314730 1334541 1404780 1446203 1505636 1545258 1577676 1709149 1779388 1882045 1972095 1983410 2053140 2224235 2258454 2380092 2497987 2575430 2629460 2669082 2892406 2975115 3090516 3418298 3764090 3863145 3944190 3966820 4338609 4448470 4516908 4893317 4995974 5127447 5150860 5338164 5646135 5784812 5950230 6672705 6836596 7231015 7493961 7528180 7726290 7888380 8545745 8677218 8896940 9786634 9991948 10254894 11292270 11900460 12489935 13345410 14462030 14679951 14987922 15452580 17091490 17354436 18800639 19573268 20509788 21693045 22584540 24466585 24979870 25637235 26690820 27477857 28924060 29359902 29975844 32473831 34182980 37469805 37601278 43386090 48933170 49959740 51274470 54955714 56401917 58719804 64947662 73399755 74939610 75202556 82433571 86772180 94003195 97421493 97866340 102548940 109911428 112803834 129895324 137389285 146799510 149879220 162369155 164867142 188006390 194842986 225607668 274778570 282009585 293599020 324738310 329734284 357212141 376012780 389685972 412167855 487107465 549557140 564019170 649476620 714424282 824335710 974214930 1071636423 1128038340 1428848564 1648671420 1786060705 1948429860 2143272846 3572121410 4286545692 5358182115 7144242820 10716364230 21432728460
- Sum of all divisors σ(n): 75272279040
- Sum of proper divisors (its aliquot sum) s(n): 53839550580
- 21432728460 is an abundant number, because the sum of its proper divisors (53839550580) is greater than itself. Its abundance is 32406822120
Bases of 21432728460
- Binary: 100111111010111110101111011100011002
- Hexadecimal: 0x4FD7D7B8C
- Base-36: 9UGHR4C
Squares and roots of 21432728460
- 21432728460 squared (214327284602) is 459361849240093971600
- 21432728460 cubed (214327284603) is 9845377779646391438185751736000
-
The
square root of 21432728460 is 146399.2092191757 -
The
cube root of 21432728460 is 2777.7457209539
Scales and comparisons
How big is 21432728460?- 21,432,728,460 seconds is equal to 681 years, 25 weeks, 4 days, 23 hours, 41 minutes.
-
To count from 1 to 21,432,728,460 would take you about one thousand, three hundred sixty-two 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 21432728460 cubic inches would be around 231.5 feet tall.
Recreational maths with 21432728460
- 21432728460 backwards is 06482723412
- 21432728460 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21432728460's digits is 39
- More coming soon!
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