2138888388
2,138,888,388 is an even composite number composed of seven prime numbers multiplied together.
2138888388 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 2138888388:
22 × 3 × 7 × 13 × 17 × 292 × 137
(2 × 2 × 3 × 7 × 13 × 17 × 29 × 29 × 137)See below for interesting mathematical facts about the number 2138888388 from the Numbermatics database.
Names of 2138888388
- Cardinal: 2138888388 can be written as Two billion, one hundred thirty-eight million, eight hundred eighty-eight thousand, three hundred eighty-eight.
Scientific notation
- Scientific notation: 2.138888388 × 109
Factors of 2138888388
Divisors of 2138888388
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 6 7 12 13 14 17 21 26 28 29 34 39 42 51 52 58 68 78 84 87 91 102 116 119 137 156 174 182 203 204 221 238 273 274 348 357 364 377 406 411 442 476 493 546 548 609 663 714 754 812 822 841 884 959 986 1092 1131 1218 1326 1428 1479 1508 1547 1644 1682 1781 1918 1972 2262 2329 2436 2523 2639 2652 2877 2958 3094 3364 3451 3562 3836 3973 4524 4641 4658 5046 5278 5343 5754 5887 5916 6188 6409 6902 6987 7124 7917 7946 9282 9316 10092 10353 10556 10686 10933 11508 11774 11919 12467 12818 13804 13974 14297 15834 15892 16303 17661 18564 19227 20706 21372 21866 23548 23838 24934 25636 27811 27948 28594 30277 31668 32606 32799 35322 37401 38454 41412 42891 43732 44863 47676 48909 49868 51649 55622 57188 60554 65212 65598 67541 70644 74802 76531 76908 83433 85782 89726 90831 97818 100079 103298 111244 115217 121108 131196 134589 135082 149604 153062 154947 166866 171564 179452 181662 185861 195636 200158 202623 206596 211939 229593 230434 269178 270164 300237 306124 309894 333732 345651 361543 363324 371722 400316 405246 423878 459186 460868 472787 538356 557583 600474 619788 635817 691302 723086 743444 806519 810492 847756 878033 918372 945574 1084629 1115166 1200948 1271634 1301027 1382604 1418361 1446172 1497821 1613038 1756066 1891148 1958689 2169258 2230332 2419557 2543268 2602054 2634099 2836722 2995642 3226076 3512132 3903081 3917378 4338516 4493463 4839114 5204108 5268198 5673444 5876067 5991284 6146231 7806162 7834756 8986926 9678228 10484747 10536396 11752134 12292462 13710823 15612324 17973852 18438693 20969494 23504268 24584924 25462957 27421646 31454241 36877386 41132469 41938988 50925914 54843292 62908482 73754772 76388871 82264938 101851828 125816964 152777742 164529876 178240699 305555484 356481398 534722097 712962796 1069444194 2138888388
- Sum of all divisors σ(n): 6784936704
- Sum of proper divisors (its aliquot sum) s(n): 4646048316
- 2138888388 is an abundant number, because the sum of its proper divisors (4646048316) is greater than itself. Its abundance is 2507159928
Bases of 2138888388
- Binary: 11111110111110011011000110001002
- Hexadecimal: 0x7F7CD8C4
- Base-36: ZDFSUC
Squares and roots of 2138888388
- 2138888388 squared (21388883882) is 4574843536321238544
- 2138888388 cubed (21388883883) is 9785079716754353359539627072
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The
square root of 2138888388 is 46248.1176698035 -
The
cube root of 2138888388 is 1288.4355748433
Scales and comparisons
How big is 2138888388?- 2,138,888,388 seconds is equal to 68 years, 3 days, 15 hours, 39 minutes, 48 seconds.
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To count from 1 to 2,138,888,388 would take you about one hundred thirty-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 2138888388 cubic inches would be around 107.4 feet tall.
Recreational maths with 2138888388
- 2138888388 backwards is 8838888312
- The number of decimal digits it has is: 10
- The sum of 2138888388's digits is 57
- More coming soon!
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The information we have on file for 2138888388 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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