1438640892
1,438,640,892 is an even composite number composed of five prime numbers multiplied together.
1438640892 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 1438640892:
22 × 33 × 132 × 232 × 149
(2 × 2 × 3 × 3 × 3 × 13 × 13 × 23 × 23 × 149)See below for interesting mathematical facts about the number 1438640892 from the Numbermatics database.
Names of 1438640892
- Cardinal: 1438640892 can be written as One billion, four hundred thirty-eight million, six hundred forty thousand, eight hundred ninety-two.
Scientific notation
- Scientific notation: 1.438640892 × 109
Factors of 1438640892
Divisors of 1438640892
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 6 9 12 13 18 23 26 27 36 39 46 52 54 69 78 92 108 117 138 149 156 169 207 234 276 298 299 338 351 414 447 468 507 529 596 598 621 676 702 828 894 897 1014 1058 1196 1242 1341 1404 1521 1587 1788 1794 1937 2028 2116 2484 2682 2691 3042 3174 3427 3588 3874 3887 4023 4563 4761 5364 5382 5811 6084 6348 6854 6877 7748 7774 8046 8073 9126 9522 10281 10764 11622 11661 13708 13754 14283 15548 16092 16146 17433 18252 19044 20562 20631 23244 23322 25181 27508 28566 30843 32292 34866 34983 41124 41262 44551 46644 50362 52299 57132 61686 61893 69732 69966 75543 78821 82524 89102 89401 92529 100724 104598 104949 123372 123786 133653 139932 151086 157642 178204 178802 185058 185679 209196 209898 226629 236463 247572 267306 268203 302172 315284 357604 370116 371358 400959 419796 453258 472926 534612 536406 579163 679887 709389 742716 801918 804609 906516 945852 1024673 1072812 1158326 1202877 1359774 1418778 1603836 1609218 1737489 2049346 2128167 2316652 2405754 2413827 2719548 2837556 3074019 3218436 3474978 4098692 4256334 4811508 4827654 5212467 6148038 6949956 8512668 9222057 9655308 10424934 12296076 13320749 15637401 18444114 20849868 26641498 27666171 31274802 36888228 39962247 53282996 55332342 62549604 79924494 110664684 119886741 159848988 239773482 359660223 479546964 719320446 1438640892
- Sum of all divisors σ(n): 4250358000
- Sum of proper divisors (its aliquot sum) s(n): 2811717108
- 1438640892 is an abundant number, because the sum of its proper divisors (2811717108) is greater than itself. Its abundance is 1373076216
Bases of 1438640892
- Binary: 10101011011111111101010111111002
- Hexadecimal: 0x55BFEAFC
- Base-36: NSJ2F0
Squares and roots of 1438640892
- 1438640892 squared (14386408922) is 2069687616134555664
- 1438640892 cubed (14386408923) is 2977537238237170752480612288
-
The
square root of 1438640892 is 37929.4198742875 -
The
cube root of 1438640892 is 1128.8878534961
Scales and comparisons
How big is 1438640892?- 1,438,640,892 seconds is equal to 45 years, 38 weeks, 4 days, 22 hours, 28 minutes, 12 seconds.
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To count from 1 to 1,438,640,892 would take you about ninety-one 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 1438640892 cubic inches would be around 94.1 feet tall.
Recreational maths with 1438640892
- 1438640892 backwards is 2980468341
- The number of decimal digits it has is: 10
- The sum of 1438640892's digits is 45
- More coming soon!
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