2138409728
2,138,409,728 is an even composite number composed of five prime numbers multiplied together.
2138409728 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 2138409728:
28 × 7 × 132 × 23 × 307
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 7 × 13 × 13 × 23 × 307)See below for interesting mathematical facts about the number 2138409728 from the Numbermatics database.
Names of 2138409728
- Cardinal: 2138409728 can be written as Two billion, one hundred thirty-eight million, four hundred nine thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 2.138409728 × 109
Factors of 2138409728
Divisors of 2138409728
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 4 7 8 13 14 16 23 26 28 32 46 52 56 64 91 92 104 112 128 161 169 182 184 208 224 256 299 307 322 338 364 368 416 448 598 614 644 676 728 736 832 896 1183 1196 1228 1288 1352 1456 1472 1664 1792 2093 2149 2366 2392 2456 2576 2704 2912 2944 3328 3887 3991 4186 4298 4732 4784 4912 5152 5408 5824 5888 7061 7774 7982 8372 8596 9464 9568 9824 10304 10816 11648 14122 15548 15964 16744 17192 18928 19136 19648 20608 21632 23296 27209 27937 28244 31096 31928 33488 34384 37856 38272 39296 41216 43264 49427 51883 54418 55874 56488 62192 63856 66976 68768 75712 76544 78592 91793 98854 103766 108836 111748 112976 124384 127712 133952 137536 151424 183586 197708 207532 217672 223496 225952 248768 255424 267904 275072 302848 363181 367172 395416 415064 435344 446992 451904 497536 510848 535808 550144 642551 726362 734344 790832 830128 870688 893984 903808 995072 1021696 1193309 1285102 1452724 1468688 1581664 1660256 1741376 1787968 1807616 2386618 2570204 2905448 2937376 3163328 3320512 3482752 3575936 4773236 5140408 5810896 5874752 6326656 6641024 6965504 7151872 8353163 9546472 10280816 11621792 11749504 12653312 13282048 16706326 19092944 20561632 23243584 23499008 33412652 38185888 41123264 46487168 66825304 76371776 82246528 92974336 133650608 152743552 164493056 267301216 305487104 534602432 1069204864 2138409728
- Sum of all divisors σ(n): 5529984768
- Sum of proper divisors (its aliquot sum) s(n): 3391575040
- 2138409728 is an abundant number, because the sum of its proper divisors (3391575040) is greater than itself. Its abundance is 1253165312
Bases of 2138409728
- Binary: 11111110111010110001011000000002
- Hexadecimal: 0x7F758B00
- Base-36: ZD5JI8
Squares and roots of 2138409728
- 2138409728 squared (21384097282) is 4572796164805033984
- 2138409728 cubed (21384097283) is 9778511802980175894756196352
-
The
square root of 2138409728 is 46242.9424669321 -
The
cube root of 2138409728 is 1288.3394550415
Scales and comparisons
How big is 2138409728?- 2,138,409,728 seconds is equal to 67 years, 51 weeks, 5 days, 2 hours, 42 minutes, 8 seconds.
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To count from 1 to 2,138,409,728 would take you about one hundred thirty-five 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 2138409728 cubic inches would be around 107.4 feet tall.
Recreational maths with 2138409728
- 2138409728 backwards is 8279048312
- The number of decimal digits it has is: 10
- The sum of 2138409728's digits is 44
- More coming soon!
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The information we have on file for 2138409728 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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