1221315680
1,221,315,680 is an even composite number composed of five prime numbers multiplied together.
1221315680 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 1221315680:
25 × 5 × 132 × 312 × 47
(2 × 2 × 2 × 2 × 2 × 5 × 13 × 13 × 31 × 31 × 47)See below for interesting mathematical facts about the number 1221315680 from the Numbermatics database.
Names of 1221315680
- Cardinal: 1221315680 can be written as One billion, two hundred twenty-one million, three hundred fifteen thousand, six hundred eighty.
Scientific notation
- Scientific notation: 1.22131568 × 109
Factors of 1221315680
Divisors of 1221315680
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 31 32 40 47 52 62 65 80 94 104 124 130 155 160 169 188 208 235 248 260 310 338 376 403 416 470 496 520 611 620 676 752 806 845 940 961 992 1040 1222 1240 1352 1457 1504 1612 1690 1880 1922 2015 2080 2444 2480 2704 2914 3055 3224 3380 3760 3844 4030 4805 4888 4960 5239 5408 5828 6110 6448 6760 7285 7520 7688 7943 8060 9610 9776 10478 11656 12220 12493 12896 13520 14570 15376 15886 16120 18941 19220 19552 20956 23312 24440 24986 26195 27040 29140 30752 31772 32240 37882 38440 39715 41912 45167 46624 48880 49972 52390 58280 62465 63544 64480 75764 76880 79430 83824 90334 94705 97760 99944 104780 116560 124930 127088 151528 153760 158860 162409 167648 180668 189410 199888 209560 225835 233120 246233 249860 254176 303056 317720 324818 361336 378820 399776 419120 451670 492466 499720 587171 606112 635440 649636 722672 757640 812045 838240 903340 984932 999440 1174342 1231165 1270880 1299272 1445344 1515280 1624090 1806680 1969864 1998880 2348684 2462330 2598544 2935855 3030560 3248180 3613360 3939728 4697368 4924660 5197088 5871710 6496360 7226720 7633223 7879456 9394736 9849320 11743420 12992720 15266446 18789472 19698640 23486840 25985440 30532892 38166115 39397280 46973680 61065784 76332230 93947360 122131568 152664460 244263136 305328920 610657840 1221315680
- Sum of all divisors σ(n): 3297109536
- Sum of proper divisors (its aliquot sum) s(n): 2075793856
- 1221315680 is an abundant number, because the sum of its proper divisors (2075793856) is greater than itself. Its abundance is 854478176
Bases of 1221315680
- Binary: 10010001100101111001100011000002
- Hexadecimal: 0x48CBCC60
- Base-36: K7517K
Squares and roots of 1221315680
- 1221315680 squared (12213156802) is 1491611990213862400
- 1221315680 cubed (12213156803) is 1821729112124196702482432000
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The
square root of 1221315680 is 34947.3272225501 -
The
cube root of 1221315680 is 1068.9137023161
Scales and comparisons
How big is 1221315680?- 1,221,315,680 seconds is equal to 38 years, 43 weeks, 2 days, 14 hours, 21 minutes, 20 seconds.
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To count from 1 to 1,221,315,680 would take you about seventy-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 1221315680 cubic inches would be around 89.1 feet tall.
Recreational maths with 1221315680
- 1221315680 backwards is 0865131221
- The number of decimal digits it has is: 10
- The sum of 1221315680's digits is 29
- More coming soon!
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The information we have on file for 1221315680 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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