20318668740
20,318,668,740 is an even composite number composed of seven prime numbers multiplied together.
20318668740 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 20318668740:
22 × 32 × 5 × 23 × 43 × 311 × 367
(2 × 2 × 3 × 3 × 5 × 23 × 43 × 311 × 367)See below for interesting mathematical facts about the number 20318668740 from the Numbermatics database.
Names of 20318668740
- Cardinal: 20318668740 can be written as Twenty billion, three hundred eighteen million, six hundred sixty-eight thousand, seven hundred forty.
Scientific notation
- Scientific notation: 2.031866874 × 1010
Factors of 20318668740
Divisors of 20318668740
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 23 30 36 43 45 46 60 69 86 90 92 115 129 138 172 180 207 215 230 258 276 311 345 367 387 414 430 460 516 622 645 690 734 774 828 860 933 989 1035 1101 1244 1290 1380 1468 1548 1555 1835 1866 1935 1978 2070 2202 2580 2799 2967 3110 3303 3670 3732 3870 3956 4140 4404 4665 4945 5505 5598 5934 6220 6606 7153 7340 7740 8441 8901 9330 9890 11010 11196 11868 13212 13373 13995 14306 14835 15781 16515 16882 17802 18660 19780 21459 22020 25323 26746 27990 28612 29670 31562 33030 33764 35604 35765 40119 42205 42918 44505 47343 50646 53492 55980 59340 63124 64377 66060 66865 71530 75969 78905 80238 84410 85836 89010 94686 101292 107295 114137 120357 126615 128754 133730 142029 143060 151938 157810 160476 168820 178020 189372 200595 214590 228274 236715 240714 253230 257508 267460 284058 303876 307579 315620 321885 342411 362963 379845 401190 429180 456548 473430 481428 506460 568116 570685 601785 615158 643770 684822 710145 725926 759690 802380 922737 946860 1027233 1088889 1141370 1203570 1230316 1287540 1369644 1420290 1451852 1519380 1537895 1712055 1814815 1845474 2054466 2177778 2282740 2407140 2625151 2768211 2840580 3075790 3266667 3424110 3629630 3690948 4108932 4355556 4613685 4907891 5136165 5250302 5444445 5536422 6151580 6533334 6848220 7259260 7875453 9227370 9815782 10272330 10500604 10888890 11072844 13066668 13125755 13841055 14723673 15750906 16333335 18454740 19631564 20544660 21777780 23626359 24539455 26251510 27682110 29447346 31501812 32666670 39377265 44171019 47252718 49078910 52503020 55364220 58894692 65333340 73618365 78754530 88342038 94505436 98157820 112881493 118131795 147236730 157509060 176684076 220855095 225762986 236263590 294473460 338644479 441710190 451525972 472527180 564407465 677288958 883420380 1015933437 1128814930 1354577916 1693222395 2031866874 2257629860 3386444790 4063733748 5079667185 6772889580 10159334370 20318668740
- Sum of all divisors σ(n): 66200150016
- Sum of proper divisors (its aliquot sum) s(n): 45881481276
- 20318668740 is an abundant number, because the sum of its proper divisors (45881481276) is greater than itself. Its abundance is 25562812536
Bases of 20318668740
- Binary: 100101110110001011001000111110001002
- Hexadecimal: 0x4BB1647C4
- Base-36: 9C17L50
Squares and roots of 20318668740
- 20318668740 squared (203186687402) is 412848299365853187600
- 20318668740 cubed (203186687403) is 8388527834687122986317475624000
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The
square root of 20318668740 is 142543.5678661091 -
The
cube root of 20318668740 is 2728.7583856019
Scales and comparisons
How big is 20318668740?- 20,318,668,740 seconds is equal to 646 years, 3 weeks, 4 days, 18 hours, 39 minutes.
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To count from 1 to 20,318,668,740 would take you about one thousand, two hundred ninety-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 20318668740 cubic inches would be around 227.4 feet tall.
Recreational maths with 20318668740
- 20318668740 backwards is 04786681302
- 20318668740 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 20318668740's digits is 45
- More coming soon!
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