129997980
129,997,980 is an even composite number composed of five prime numbers multiplied together.
129997980 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 129997980:
22 × 33 × 5 × 72 × 173
(2 × 2 × 3 × 3 × 3 × 5 × 7 × 7 × 17 × 17 × 17)See below for interesting mathematical facts about the number 129997980 from the Numbermatics database.
Names of 129997980
- Cardinal: 129997980 can be written as One hundred twenty-nine million, nine hundred ninety-seven thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 1.2999798 × 108
Factors of 129997980
Divisors of 129997980
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 9 10 12 14 15 17 18 20 21 27 28 30 34 35 36 42 45 49 51 54 60 63 68 70 84 85 90 98 102 105 108 119 126 135 140 147 153 170 180 189 196 204 210 238 245 252 255 270 289 294 306 315 340 357 378 420 441 459 476 490 510 540 578 588 595 612 630 714 735 756 765 833 867 882 918 945 980 1020 1071 1156 1190 1260 1323 1428 1445 1470 1530 1666 1734 1764 1785 1836 1890 2023 2142 2205 2295 2380 2499 2601 2646 2890 2940 3060 3213 3332 3468 3570 3780 4046 4165 4284 4335 4410 4590 4913 4998 5202 5292 5355 5780 6069 6426 6615 7140 7497 7803 8092 8330 8670 8820 9180 9826 9996 10115 10404 10710 12138 12495 12852 13005 13230 14161 14739 14994 15606 16065 16660 17340 18207 19652 20230 21420 22491 24276 24565 24990 26010 26460 28322 29478 29988 30345 31212 32130 34391 36414 37485 39015 40460 42483 44217 44982 49130 49980 52020 54621 56644 58956 60690 64260 68782 70805 72828 73695 74970 78030 84966 88434 89964 91035 98260 103173 109242 112455 121380 127449 132651 137564 141610 147390 149940 156060 169932 171955 176868 182070 206346 212415 218484 221085 224910 240737 254898 265302 273105 283220 294780 309519 343910 364140 382347 412692 424830 442170 449820 481474 509796 515865 530604 546210 619038 637245 663255 687820 722211 764694 849660 884340 928557 962948 1031730 1092420 1203685 1238076 1274490 1326510 1444422 1529388 1547595 1857114 1911735 2063460 2166633 2407370 2548980 2653020 2888844 3095190 3611055 3714228 3823470 4333266 4642785 4814740 6190380 6499899 7222110 7646940 8666532 9285570 10833165 12999798 14444220 18571140 21666330 25999596 32499495 43332660 64998990 129997980
- Sum of all divisors σ(n): 499867200
- Sum of proper divisors (its aliquot sum) s(n): 369869220
- 129997980 is an abundant number, because the sum of its proper divisors (369869220) is greater than itself. Its abundance is 239871240
Bases of 129997980
- Binary: 1111011111110011100100111002
- Hexadecimal: 0x7BF9C9C
- Base-36: 25EB30
Squares and roots of 129997980
- 129997980 squared (1299979802) is 16899474804080400
- 129997980 cubed (1299979803) is 2196897587591347757592000
-
The
square root of 129997980 is 11401.6656677875 -
The
cube root of 129997980 is 506.5770780735
Scales and comparisons
How big is 129997980?- 129,997,980 seconds is equal to 4 years, 6 weeks, 6 days, 14 hours, 33 minutes.
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To count from 1 to 129,997,980 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 129997980 cubic inches would be around 42.2 feet tall.
Recreational maths with 129997980
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