6396993840
6,396,993,840 is an even composite number composed of seven prime numbers multiplied together.
6396993840 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 6396993840:
24 × 3 × 5 × 31 × 41 × 67 × 313
(2 × 2 × 2 × 2 × 3 × 5 × 31 × 41 × 67 × 313)See below for interesting mathematical facts about the number 6396993840 from the Numbermatics database.
Names of 6396993840
- Cardinal: 6396993840 can be written as Six billion, three hundred ninety-six million, nine hundred ninety-three thousand, eight hundred forty.
Scientific notation
- Scientific notation: 6.39699384 × 109
Factors of 6396993840
Divisors of 6396993840
- 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 40 41 48 60 62 67 80 82 93 120 123 124 134 155 164 186 201 205 240 246 248 268 310 313 328 335 372 402 410 465 492 496 536 615 620 626 656 670 744 804 820 930 939 984 1005 1072 1230 1240 1252 1271 1340 1488 1565 1608 1640 1860 1878 1968 2010 2077 2460 2480 2504 2542 2680 2747 3130 3216 3280 3720 3756 3813 4020 4154 4695 4920 5008 5084 5360 5494 6231 6260 6355 7440 7512 7626 8040 8241 8308 9390 9703 9840 10168 10385 10988 12462 12520 12710 12833 13735 15024 15252 16080 16482 16616 18780 19065 19406 20336 20770 20971 21976 24924 25040 25420 25666 27470 29109 30504 31155 32964 33232 37560 38130 38499 38812 41205 41540 41942 43952 48515 49848 50840 51332 54940 58218 61008 62310 62913 64165 65928 75120 76260 76998 77624 82410 83080 83884 85157 97030 99696 101680 102664 104855 109880 116436 124620 125826 128330 131856 145545 152520 153996 155248 164820 166160 167768 170314 192495 194060 205328 209710 219760 232872 249240 251652 255471 256660 291090 305040 307992 314565 329640 335536 340628 384990 388120 397823 419420 425785 465744 498480 503304 510942 513320 582180 615984 629130 650101 659280 681256 769980 776240 795646 838840 851570 859811 1006608 1021884 1026640 1164360 1193469 1258260 1277355 1300202 1362512 1539960 1591292 1677680 1703140 1719622 1950303 1989115 2043768 2328720 2386938 2516520 2554710 2579433 2600404 3079920 3182584 3250505 3406280 3439244 3900606 3978230 4087536 4299055 4773876 5033040 5109420 5158866 5200808 5967345 6365168 6501010 6812560 6878488 7801212 7956460 8598110 9547752 9751515 10218840 10317732 10401616 11934690 12897165 13002020 13756976 15602424 15912920 17196220 19095504 19503030 20437680 20635464 23869380 25794330 26004040 26654141 31204848 31825840 34392440 39006060 41270928 47738760 51588660 52008080 53308282 68784880 78012120 79962423 95477520 103177320 106616564 133270705 156024240 159924846 206354640 213233128 266541410 319849692 399812115 426466256 533082820 639699384 799624230 1066165640 1279398768 1599248460 2132331280 3198496920 6396993840
- Sum of all divisors σ(n): 21350633472
- Sum of proper divisors (its aliquot sum) s(n): 14953639632
- 6396993840 is an abundant number, because the sum of its proper divisors (14953639632) is greater than itself. Its abundance is 8556645792
Bases of 6396993840
- Binary: 1011111010100101001100001001100002
- Hexadecimal: 0x17D4A6130
- Base-36: 2XSLS1C
Squares and roots of 6396993840
- 6396993840 squared (63969938402) is 40921530188997945600
- 6396993840 cubed (63969938403) is 261774776542393893775855104000
-
The
square root of 6396993840 is 79981.2092931833 -
The
cube root of 6396993840 is 1856.3447929463
Scales and comparisons
How big is 6396993840?- 6,396,993,840 seconds is equal to 203 years, 21 weeks, 6 hours, 44 minutes.
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To count from 1 to 6,396,993,840 would take you about four hundred 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 6396993840 cubic inches would be around 154.7 feet tall.
Recreational maths with 6396993840
- 6396993840 backwards is 0483996936
- The number of decimal digits it has is: 10
- The sum of 6396993840's digits is 57
- More coming soon!
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