1221122240
1,221,122,240 is an even composite number composed of six prime numbers multiplied together.
1221122240 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 1221122240:
26 × 5 × 13 × 17 × 31 × 557
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 17 × 31 × 557)See below for interesting mathematical facts about the number 1221122240 from the Numbermatics database.
Names of 1221122240
- Cardinal: 1221122240 can be written as One billion, two hundred twenty-one million, one hundred twenty-two thousand, two hundred forty.
Scientific notation
- Scientific notation: 1.22112224 × 109
Factors of 1221122240
Divisors of 1221122240
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 4 5 8 10 13 16 17 20 26 31 32 34 40 52 62 64 65 68 80 85 104 124 130 136 155 160 170 208 221 248 260 272 310 320 340 403 416 442 496 520 527 544 557 620 680 806 832 884 992 1040 1054 1088 1105 1114 1240 1360 1612 1768 1984 2015 2080 2108 2210 2228 2480 2635 2720 2785 3224 3536 4030 4160 4216 4420 4456 4960 5270 5440 5570 6448 6851 7072 7241 8060 8432 8840 8912 9469 9920 10540 11140 12896 13702 14144 14482 16120 16864 17267 17680 17824 18938 21080 22280 25792 27404 28964 32240 33728 34255 34534 35360 35648 36205 37876 42160 44560 47345 54808 57928 64480 68510 69068 70720 72410 75752 84320 86335 89120 94690 109616 115856 123097 128960 137020 138136 144820 151504 168640 172670 178240 189380 219232 224471 231712 246194 274040 276272 289640 293539 303008 345340 378760 438464 448942 463424 492388 548080 552544 579280 587078 606016 615485 690680 757520 897884 984776 1096160 1105088 1122355 1158560 1174156 1230970 1381360 1467695 1515040 1795768 1969552 2192320 2244710 2317120 2348312 2461940 2762720 2935390 3030080 3591536 3816007 3939104 4489420 4696624 4923880 5525440 5870780 7183072 7632014 7878208 8978840 9393248 9847760 11741560 14366144 15264028 17957680 18786496 19080035 19695520 23483120 30528056 35915360 38160070 39391040 46966240 61056112 71830720 76320140 93932480 122112224 152640280 244224448 305280560 610561120 1221122240
- Sum of all divisors σ(n): 3428780544
- Sum of proper divisors (its aliquot sum) s(n): 2207658304
- 1221122240 is an abundant number, because the sum of its proper divisors (2207658304) is greater than itself. Its abundance is 986536064
Bases of 1221122240
- Binary: 10010001100100011011000110000002
- Hexadecimal: 0x48C8D8C0
- Base-36: K70VY8
Squares and roots of 1221122240
- 1221122240 squared (12211222402) is 1491139525022617600
- 1221122240 cubed (12211222403) is 1820863636948154854375424000
-
The
square root of 1221122240 is 34944.5595193299 -
The
cube root of 1221122240 is 1068.8572654785
Scales and comparisons
How big is 1221122240?- 1,221,122,240 seconds is equal to 38 years, 43 weeks, 8 hours, 37 minutes, 20 seconds.
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To count from 1 to 1,221,122,240 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 1221122240 cubic inches would be around 89.1 feet tall.
Recreational maths with 1221122240
- 1221122240 backwards is 0422211221
- 1221122240 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1221122240's digits is 17
- More coming soon!
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