129968748
129,968,748 is an even composite number composed of six prime numbers multiplied together.
129968748 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 129968748:
22 × 32 × 7 × 13 × 97 × 409
(2 × 2 × 3 × 3 × 7 × 13 × 97 × 409)See below for interesting mathematical facts about the number 129968748 from the Numbermatics database.
Names of 129968748
- Cardinal: 129968748 can be written as One hundred twenty-nine million, nine hundred sixty-eight thousand, seven hundred forty-eight.
Scientific notation
- Scientific notation: 1.29968748 × 108
Factors of 129968748
Divisors of 129968748
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 52 63 78 84 91 97 117 126 156 182 194 234 252 273 291 364 388 409 468 546 582 679 818 819 873 1092 1164 1227 1261 1358 1636 1638 1746 2037 2454 2522 2716 2863 3276 3492 3681 3783 4074 4908 5044 5317 5726 6111 7362 7566 8148 8589 8827 10634 11349 11452 12222 14724 15132 15951 17178 17654 21268 22698 24444 25767 26481 31902 34356 35308 37219 39673 45396 47853 51534 52962 63804 74438 79346 79443 95706 103068 105924 111657 119019 148876 158692 158886 191412 223314 238038 277711 317772 334971 357057 446628 476076 515749 555422 669942 714114 833133 1031498 1110844 1339884 1428228 1547247 1666266 2062996 2499399 3094494 3332532 3610243 4641741 4998798 6188988 7220486 9283482 9997596 10830729 14440972 18566964 21661458 32492187 43322916 64984374 129968748
- Sum of all divisors σ(n): 409514560
- Sum of proper divisors (its aliquot sum) s(n): 279545812
- 129968748 is an abundant number, because the sum of its proper divisors (279545812) is greater than itself. Its abundance is 149577064
Bases of 129968748
- Binary: 1111011111100101010011011002
- Hexadecimal: 0x7BF2A6C
- Base-36: 25DOJ0
Squares and roots of 129968748
- 129968748 squared (1299687482) is 16891875456687504
- 129968748 cubed (1299687483) is 2195415904477603122124992
-
The
square root of 129968748 is 11400.3836777541 -
The
cube root of 129968748 is 506.5391047367
Scales and comparisons
How big is 129968748?- 129,968,748 seconds is equal to 4 years, 6 weeks, 6 days, 6 hours, 25 minutes, 48 seconds.
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To count from 1 to 129,968,748 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 129968748 cubic inches would be around 42.2 feet tall.
Recreational maths with 129968748
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