129407040
129,407,040 is an even composite number composed of five prime numbers multiplied together.
129407040 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 129407040:
26 × 32 × 5 × 73 × 131
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 7 × 7 × 131)See below for interesting mathematical facts about the number 129407040 from the Numbermatics database.
Names of 129407040
- Cardinal: 129407040 can be written as One hundred twenty-nine million, four hundred seven thousand and forty.
Scientific notation
- Scientific notation: 1.2940704 × 108
Factors of 129407040
Divisors of 129407040
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 49 56 60 63 64 70 72 80 84 90 96 98 105 112 120 126 131 140 144 147 160 168 180 192 196 210 224 240 245 252 262 280 288 294 315 320 336 343 360 392 393 420 441 448 480 490 504 524 560 576 588 630 655 672 686 720 735 784 786 840 882 917 960 980 1008 1029 1048 1120 1176 1179 1260 1310 1344 1372 1440 1470 1568 1572 1680 1715 1764 1834 1960 1965 2016 2058 2096 2205 2240 2352 2358 2520 2620 2744 2751 2880 2940 3087 3136 3144 3360 3430 3528 3668 3920 3930 4032 4116 4192 4410 4585 4704 4716 5040 5145 5240 5488 5502 5880 5895 6174 6288 6419 6720 6860 7056 7336 7840 7860 8232 8253 8384 8820 9170 9408 9432 10080 10290 10480 10976 11004 11760 11790 12348 12576 12838 13720 13755 14112 14672 15435 15680 15720 16464 16506 17640 18340 18864 19257 20160 20580 20960 21952 22008 23520 23580 24696 25152 25676 27440 27510 28224 29344 30870 31440 32095 32928 33012 35280 36680 37728 38514 41160 41265 41920 44016 44933 47040 47160 49392 51352 54880 55020 57771 58688 61740 62880 64190 65856 66024 70560 73360 75456 77028 82320 82530 88032 89866 94320 96285 98784 102704 109760 110040 115542 123480 125760 128380 132048 134799 141120 146720 154056 164640 165060 176064 179732 188640 192570 197568 205408 220080 224665 231084 246960 256760 264096 269598 288855 293440 308112 329280 330120 359464 377280 385140 404397 410816 440160 449330 462168 493920 513520 528192 539196 577710 616224 660240 673995 718928 770280 808794 880320 898660 924336 987840 1027040 1078392 1155420 1232448 1320480 1347990 1437856 1540560 1617588 1797320 1848672 2021985 2054080 2156784 2310840 2640960 2695980 2875712 3081120 3235176 3594640 3697344 4043970 4313568 4621680 5391960 6162240 6470352 7189280 8087940 8627136 9243360 10783920 12940704 14378560 16175880 18486720 21567840 25881408 32351760 43135680 64703520 129407040
- Sum of all divisors σ(n): 523036800
- Sum of proper divisors (its aliquot sum) s(n): 393629760
- 129407040 is an abundant number, because the sum of its proper divisors (393629760) is greater than itself. Its abundance is 264222720
Bases of 129407040
- Binary: 1111011011010011000010000002
- Hexadecimal: 0x7B69840
- Base-36: 251N40
Squares and roots of 129407040
- 129407040 squared (1294070402) is 16746182001561600
- 129407040 cubed (1294070403) is 2167073844123362033664000
-
The
square root of 129407040 is 11375.7215155787 -
The
cube root of 129407040 is 505.8083189257
Scales and comparisons
How big is 129407040?- 129,407,040 seconds is equal to 4 years, 5 weeks, 6 days, 18 hours, 24 minutes.
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To count from 1 to 129,407,040 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 129407040 cubic inches would be around 42.2 feet tall.
Recreational maths with 129407040
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