15420869490
15,420,869,490 is an even composite number composed of seven prime numbers multiplied together.
What does the number 15420869490 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 288 divisors.
15420869490 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 15420869490:
2 × 3 × 5 × 13 × 172 × 192 × 379
(2 × 3 × 5 × 13 × 17 × 17 × 19 × 19 × 379)See below for interesting mathematical facts about the number 15420869490 from the Numbermatics database.
Names of 15420869490
- Cardinal: 15420869490 can be written as Fifteen billion, four hundred twenty million, eight hundred sixty-nine thousand, four hundred ninety.
Scientific notation
- Scientific notation: 1.542086949 × 1010
Factors of 15420869490
Divisors of 15420869490
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 5 6 10 13 15 17 19 26 30 34 38 39 51 57 65 78 85 95 102 114 130 170 190 195 221 247 255 285 289 323 361 379 390 442 494 510 570 578 646 663 722 741 758 867 969 1083 1105 1137 1235 1326 1445 1482 1615 1734 1805 1895 1938 2166 2210 2274 2470 2890 3230 3315 3610 3705 3757 3790 4199 4335 4693 4845 4927 5415 5491 5685 6137 6443 6630 7201 7410 7514 8398 8670 9386 9690 9854 10830 10982 11271 11370 12274 12597 12886 14079 14402 14781 16473 18411 18785 19329 20995 21603 22542 23465 24635 25194 27455 28158 29562 30685 32215 32946 36005 36822 37570 38658 41990 43206 46930 49270 54910 56355 61370 62985 64430 70395 71383 72010 73905 79781 82365 83759 92055 93613 96645 104329 108015 109531 112710 122417 125970 136819 140790 142766 147810 159562 164730 167518 184110 187226 193290 208658 214149 216030 219062 239343 244834 251277 273638 280839 312987 328593 356915 367251 398905 410457 418795 428298 468065 478686 502554 521645 547655 561678 612085 625974 657186 684095 713830 734502 797810 820914 837590 936130 1043290 1070745 1095310 1196715 1224170 1256385 1356277 1368190 1404195 1423903 1564935 1591421 1642965 1778647 1836255 2052285 2081089 2141490 2325923 2393430 2512770 2712554 2808390 2847806 3129870 3182842 3285930 3557294 3672510 4068831 4104570 4162178 4271709 4651846 4774263 5335941 6243267 6781385 6977769 7119515 7957105 8137662 8543418 8893235 9548526 10405445 10671882 11629615 12486534 13562770 13955538 14239030 15914210 17786470 20344155 20810890 21358545 23259230 23871315 26679705 27054157 30236999 31216335 34888845 39540691 40688310 42717090 47742630 53359410 54108314 60473998 62432670 69777690 79081382 81162471 90710997 118622073 135270785 151184995 162324942 181421994 197703455 237244146 270541570 302369990 395406910 405812355 453554985 514028983 593110365 811624710 907109970 1028057966 1186220730 1542086949 2570144915 3084173898 5140289830 7710434745 15420869490
- Sum of all divisors σ(n): 44803039680
- Sum of proper divisors (its aliquot sum) s(n): 29382170190
- 15420869490 is an abundant number, because the sum of its proper divisors (29382170190) is greater than itself. Its abundance is 13961300700
Bases of 15420869490
- Binary: 11100101110010011111001011011100102
- Hexadecimal: 0x39727CB72
- Base-36: 7316R1U
Squares and roots of 15420869490
- 15420869490 squared (154208694902) is 237803215827612860100
- 15420869490 cubed (154208694903) is 3667132355579920253847728349000
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The
square root of 15420869490 is 124180.7935632561 -
The
cube root of 15420869490 is 2489.0652819737
Scales and comparisons
How big is 15420869490?- 15,420,869,490 seconds is equal to 490 years, 17 weeks, 3 days, 6 hours, 51 minutes, 30 seconds.
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To count from 1 to 15,420,869,490 would take you about nine hundred eighty 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 15420869490 cubic inches would be around 207.4 feet tall.
Recreational maths with 15420869490
- 15420869490 backwards is 09496802451
- The number of decimal digits it has is: 11
- The sum of 15420869490's digits is 48
- More coming soon!
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