129838128
129,838,128 is an even composite number composed of six prime numbers multiplied together.
129838128 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 129838128:
24 × 3 × 7 × 23 × 53 × 317
(2 × 2 × 2 × 2 × 3 × 7 × 23 × 53 × 317)See below for interesting mathematical facts about the number 129838128 from the Numbermatics database.
Names of 129838128
- Cardinal: 129838128 can be written as One hundred twenty-nine million, eight hundred thirty-eight thousand, one hundred twenty-eight.
Scientific notation
- Scientific notation: 1.29838128 × 108
Factors of 129838128
Divisors of 129838128
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 6 7 8 12 14 16 21 23 24 28 42 46 48 53 56 69 84 92 106 112 138 159 161 168 184 212 276 317 318 322 336 368 371 424 483 552 634 636 644 742 848 951 966 1104 1113 1219 1268 1272 1288 1484 1902 1932 2219 2226 2438 2536 2544 2576 2968 3657 3804 3864 4438 4452 4876 5072 5936 6657 7291 7314 7608 7728 8533 8876 8904 9752 13314 14582 14628 15216 16801 17066 17752 17808 19504 21873 25599 26628 29164 29256 33602 34132 35504 43746 50403 51037 51198 53256 58328 58512 67204 68264 87492 100806 102074 102396 106512 116656 117607 134408 136528 153111 174984 201612 204148 204792 235214 268816 306222 349968 352821 386423 403224 408296 409584 470428 612444 705642 772846 806448 816592 940856 1159269 1224888 1411284 1545692 1881712 2318538 2449776 2704961 2822568 3091384 4637076 5409922 5645136 6182768 8114883 9274152 10819844 16229766 18548304 21639688 32459532 43279376 64919064 129838128
- Sum of all divisors σ(n): 408830976
- Sum of proper divisors (its aliquot sum) s(n): 278992848
- 129838128 is an abundant number, because the sum of its proper divisors (278992848) is greater than itself. Its abundance is 149154720
Bases of 129838128
- Binary: 1111011110100101100001100002
- Hexadecimal: 0x7BD2C30
- Base-36: 25AVQO
Squares and roots of 129838128
- 129838128 squared (1298381282) is 16857939482544384
- 129838128 cubed (1298381283) is 2188803304350851495473152
-
The
square root of 129838128 is 11394.6534831033 -
The
cube root of 129838128 is 506.3693554277
Scales and comparisons
How big is 129838128?- 129,838,128 seconds is equal to 4 years, 6 weeks, 4 days, 18 hours, 8 minutes, 48 seconds.
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To count from 1 to 129,838,128 would take you about 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 129838128 cubic inches would be around 42.2 feet tall.
Recreational maths with 129838128
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