20390643360
20,390,643,360 is an even composite number composed of five prime numbers multiplied together.
20390643360 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 20390643360:
25 × 32 × 5 × 532 × 712
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 53 × 53 × 71 × 71)See below for interesting mathematical facts about the number 20390643360 from the Numbermatics database.
Names of 20390643360
- Cardinal: 20390643360 can be written as Twenty billion, three hundred ninety million, six hundred forty-three thousand, three hundred sixty.
Scientific notation
- Scientific notation: 2.039064336 × 1010
Factors of 20390643360
Divisors of 20390643360
- Number of divisors d(n): 324
-
Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 53 60 71 72 80 90 96 106 120 142 144 159 160 180 212 213 240 265 284 288 318 355 360 424 426 477 480 530 568 636 639 710 720 795 848 852 954 1060 1065 1136 1272 1278 1420 1440 1590 1696 1704 1908 2120 2130 2272 2385 2544 2556 2809 2840 3180 3195 3408 3763 3816 4240 4260 4770 5041 5088 5112 5618 5680 6360 6390 6816 7526 7632 8427 8480 8520 9540 10082 10224 11236 11289 11360 12720 12780 14045 15052 15123 15264 16854 17040 18815 19080 20164 20448 22472 22578 25205 25281 25440 25560 28090 30104 30246 33708 33867 34080 37630 38160 40328 42135 44944 45156 45369 50410 50562 51120 56180 56445 60208 60492 67416 67734 75260 75615 76320 80656 84270 89888 90312 90738 100820 101124 102240 112360 112890 120416 120984 126405 134832 135468 150520 151230 161312 168540 169335 180624 181476 199439 201640 202248 224720 225780 226845 241968 252810 267173 269664 270936 301040 302460 337080 338670 361248 362952 398878 403280 404496 449440 451560 453690 483936 505620 534346 541872 598317 602080 604920 674160 677340 725904 797756 801519 806560 808992 903120 907380 997195 1011240 1068692 1083744 1196634 1209840 1335865 1348320 1354680 1451808 1595512 1603038 1794951 1806240 1814760 1994390 2022480 2137384 2393268 2404557 2419680 2671730 2709360 2991585 3191024 3206076 3589902 3629520 3988780 4007595 4044960 4274768 4786536 4809114 5343460 5418720 5983170 6382048 6412152 7179804 7259040 7977560 8015190 8549536 8974755 9573072 9618228 10686920 11966340 12022785 12824304 14160169 14359608 15955120 16030380 17949510 19146144 19236456 21373840 23932680 24045570 25648608 28320338 28719216 31910240 32060760 35899020 38472912 42480507 42747680 47865360 48091140 56640676 57438432 64121520 70800845 71798040 76945824 84961014 95730720 96182280 113281352 127441521 128243040 141601690 143596080 169922028 192364560 212402535 226562704 254883042 283203380 287192160 339844056 384729120 424805070 453125408 509766084 566406760 637207605 679688112 849610140 1019532168 1132813520 1274415210 1359376224 1699220280 2039064336 2265627040 2548830420 3398440560 4078128672 5097660840 6796881120 10195321680 20390643360
- Sum of all divisors σ(n): 71933682366
- Sum of proper divisors (its aliquot sum) s(n): 51543039006
- 20390643360 is an abundant number, because the sum of its proper divisors (51543039006) is greater than itself. Its abundance is 31152395646
Bases of 20390643360
- Binary: 100101111110110000010000110101000002
- Hexadecimal: 0x4BF6086A0
- Base-36: 9D82940
Squares and roots of 20390643360
- 20390643360 squared (203906433602) is 415778336634712089600
- 20390643360 cubed (203906433603) is 8477987779132436815313965056000
-
The
square root of 20390643360 is 142795.8100225633 -
The
cube root of 20390643360 is 2731.9766066079
Scales and comparisons
How big is 20390643360?- 20,390,643,360 seconds is equal to 648 years, 18 weeks, 4 days, 19 hours, 36 minutes.
-
To count from 1 to 20,390,643,360 would take you about one thousand, two hundred ninety-six 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 20390643360 cubic inches would be around 227.7 feet tall.
Recreational maths with 20390643360
- 20390643360 backwards is 06334609302
- 20390643360 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20390643360's digits is 36
- More coming soon!
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