1388993424
1,388,993,424 is an even composite number composed of six prime numbers multiplied together.
1388993424 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 1388993424:
24 × 3 × 7 × 132 × 61 × 401
(2 × 2 × 2 × 2 × 3 × 7 × 13 × 13 × 61 × 401)See below for interesting mathematical facts about the number 1388993424 from the Numbermatics database.
Names of 1388993424
- Cardinal: 1388993424 can be written as One billion, three hundred eighty-eight million, nine hundred ninety-three thousand, four hundred twenty-four.
Scientific notation
- Scientific notation: 1.388993424 × 109
Factors of 1388993424
Divisors of 1388993424
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 6 7 8 12 13 14 16 21 24 26 28 39 42 48 52 56 61 78 84 91 104 112 122 156 168 169 182 183 208 244 273 312 336 338 364 366 401 427 488 507 546 624 676 728 732 793 802 854 976 1014 1092 1183 1203 1281 1352 1456 1464 1586 1604 1708 2028 2184 2366 2379 2406 2562 2704 2807 2928 3172 3208 3416 3549 4056 4368 4732 4758 4812 5124 5213 5551 5614 6344 6416 6832 7098 8112 8421 9464 9516 9624 10248 10309 10426 11102 11228 12688 14196 15639 16653 16842 18928 19032 19248 20496 20618 20852 22204 22456 24461 28392 30927 31278 33306 33684 36491 38064 41236 41704 44408 44912 48922 56784 61854 62556 66612 67368 67769 72163 72982 73383 82472 83408 88816 97844 109473 123708 125112 133224 134736 135538 144326 145964 146766 164944 171227 195688 203307 216489 218946 247416 250224 266448 271076 288652 291928 293532 317993 342454 391376 406614 432978 437892 474383 494832 513681 542152 577304 583856 587064 635986 684908 813228 865956 875784 948766 953979 1027362 1084304 1154608 1174128 1271972 1369816 1423149 1626456 1731912 1751568 1897532 1907958 2054724 2225951 2543944 2739632 2846298 3252912 3463824 3795064 3815916 4109448 4133909 4451902 5087888 5692596 6677853 7590128 7631832 8218896 8267818 8903804 11385192 12401727 13355706 15263664 16535636 17807608 22770384 24803454 26711412 28937363 33071272 35615216 49606908 53422824 57874726 66142544 86812089 99213816 106845648 115749452 173624178 198427632 231498904 347248356 462997808 694496712 1388993424
- Sum of all divisors σ(n): 4524603264
- Sum of proper divisors (its aliquot sum) s(n): 3135609840
- 1388993424 is an abundant number, because the sum of its proper divisors (3135609840) is greater than itself. Its abundance is 1746616416
Bases of 1388993424
- Binary: 10100101100101001011011100100002
- Hexadecimal: 0x52CA5B90
- Base-36: MYYY6O
Squares and roots of 1388993424
- 1388993424 squared (13889934242) is 1929302731915243776
- 1388993424 cubed (13889934243) is 2679788807535508530220929024
-
The
square root of 1388993424 is 37269.2020842947 -
The
cube root of 1388993424 is 1115.7495744671
Scales and comparisons
How big is 1388993424?- 1,388,993,424 seconds is equal to 44 years, 8 weeks, 4 days, 7 hours, 30 minutes, 24 seconds.
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To count from 1 to 1,388,993,424 would take you about eighty-eight 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 1388993424 cubic inches would be around 93 feet tall.
Recreational maths with 1388993424
- 1388993424 backwards is 4243998831
- The number of decimal digits it has is: 10
- The sum of 1388993424's digits is 51
- More coming soon!
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