12390397440
12,390,397,440 is an even composite number composed of six prime numbers multiplied together.
12390397440 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 12390397440:
29 × 3 × 5 × 31 × 71 × 733
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 31 × 71 × 733)See below for interesting mathematical facts about the number 12390397440 from the Numbermatics database.
Names of 12390397440
- Cardinal: 12390397440 can be written as Twelve billion, three hundred ninety million, three hundred ninety-seven thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.239039744 × 1010
Factors of 12390397440
Divisors of 12390397440
- Number of divisors d(n): 320
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 71 80 93 96 120 124 128 142 155 160 186 192 213 240 248 256 284 310 320 355 372 384 426 465 480 496 512 568 620 640 710 733 744 768 852 930 960 992 1065 1136 1240 1280 1420 1466 1488 1536 1704 1860 1920 1984 2130 2199 2201 2272 2480 2560 2840 2932 2976 3408 3665 3720 3840 3968 4260 4398 4402 4544 4960 5680 5864 5952 6603 6816 7330 7440 7680 7936 8520 8796 8804 9088 9920 10995 11005 11360 11728 11904 13206 13632 14660 14880 15872 17040 17592 17608 18176 19840 21990 22010 22720 22723 23456 23808 26412 27264 29320 29760 33015 34080 35184 35216 36352 39680 43980 44020 45440 45446 46912 47616 52043 52824 54528 58640 59520 66030 68160 68169 70368 70432 79360 87960 88040 90880 90892 93824 104086 105648 109056 113615 117280 119040 132060 136320 136338 140736 140864 156129 175920 176080 181760 181784 187648 208172 211296 227230 234560 238080 260215 264120 272640 272676 281472 281728 312258 340845 351840 352160 363568 375296 416344 422592 454460 469120 520430 528240 545280 545352 562944 563456 624516 681690 703680 704320 727136 780645 832688 845184 908920 938240 1040860 1056480 1090704 1125888 1126912 1249032 1363380 1407360 1408640 1454272 1561290 1613333 1665376 1690368 1817840 1876480 2081720 2112960 2181408 2498064 2726760 2814720 2817280 2908544 3122580 3226666 3330752 3380736 3635680 4163440 4225920 4362816 4839999 4996128 5453520 5629440 5634560 5817088 6245160 6453332 6661504 7271360 8066665 8326880 8451840 8725632 9679998 9992256 10907040 11634176 12490320 12906664 13323008 14542720 16133330 16653760 16903680 17451264 19359996 19984512 21814080 24199995 24980640 25813328 26646016 29085440 32266660 33307520 34902528 38719992 39969024 43628160 48399990 49961280 51626656 58170880 64533320 66615040 77439984 79938048 87256320 96799980 99922560 103253312 129066640 133230080 154879968 174512640 193599960 199845120 206506624 258133280 309759936 387199920 399690240 413013248 516266560 619519872 774399840 826026496 1032533120 1239039744 1548799680 2065066240 2478079488 3097599360 4130132480 6195198720 12390397440
- Sum of all divisors σ(n): 41520771072
- Sum of proper divisors (its aliquot sum) s(n): 29130373632
- 12390397440 is an abundant number, because the sum of its proper divisors (29130373632) is greater than itself. Its abundance is 16739976192
Bases of 12390397440
- Binary: 10111000101000011001110110000000002
- Hexadecimal: 0x2E2867600
- Base-36: 5OWX7UO
Squares and roots of 12390397440
- 12390397440 squared (123903974402) is 153521948721158553600
- 12390397440 cubed (123903974403) is 1902197960418454216359542784000
-
The
square root of 12390397440 is 111312.1621387349 -
The
cube root of 12390397440 is 2313.9914276439
Scales and comparisons
How big is 12390397440?- 12,390,397,440 seconds is equal to 393 years, 50 weeks, 5 days, 9 hours, 4 minutes.
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To count from 1 to 12,390,397,440 would take you about seven hundred eighty-seven 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 12390397440 cubic inches would be around 192.8 feet tall.
Recreational maths with 12390397440
- 12390397440 backwards is 04479309321
- The number of decimal digits it has is: 11
- The sum of 12390397440's digits is 42
- More coming soon!
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