128998980
128,998,980 is an even composite number composed of six prime numbers multiplied together.
128998980 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 128998980:
22 × 35 × 5 × 11 × 19 × 127
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 5 × 11 × 19 × 127)See below for interesting mathematical facts about the number 128998980 from the Numbermatics database.
Names of 128998980
- Cardinal: 128998980 can be written as One hundred twenty-eight million, nine hundred ninety-eight thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 1.2899898 × 108
Factors of 128998980
Divisors of 128998980
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 9 10 11 12 15 18 19 20 22 27 30 33 36 38 44 45 54 55 57 60 66 76 81 90 95 99 108 110 114 127 132 135 162 165 171 180 190 198 209 220 228 243 254 270 285 297 324 330 342 380 381 396 405 418 486 495 508 513 540 570 594 627 635 660 684 762 810 836 855 891 972 990 1026 1045 1140 1143 1188 1215 1254 1270 1397 1485 1524 1539 1620 1710 1782 1881 1905 1980 2052 2090 2286 2413 2430 2508 2540 2565 2673 2794 2970 3078 3135 3420 3429 3564 3762 3810 4180 4191 4455 4572 4617 4826 4860 5130 5346 5588 5643 5715 5940 6156 6270 6858 6985 7239 7524 7620 7695 8382 8910 9234 9405 9652 10260 10287 10692 11286 11430 12065 12540 12573 13365 13716 13970 14478 15390 16764 16929 17145 17820 18468 18810 20574 20955 21717 22572 22860 23085 24130 25146 26543 26730 27940 28215 28956 30780 30861 33858 34290 36195 37620 37719 41148 41910 43434 46170 48260 50292 50787 51435 53086 53460 56430 61722 62865 65151 67716 68580 72390 75438 79629 83820 84645 86868 92340 101574 102870 106172 108585 112860 113157 123444 125730 130302 132715 144780 150876 154305 159258 169290 188595 195453 203148 205740 217170 226314 238887 251460 253935 260604 265430 308610 318516 325755 338580 339471 377190 390906 398145 434340 452628 477774 507870 530860 565785 586359 617220 651510 678942 716661 754380 781812 796290 955548 977265 1015740 1131570 1172718 1194435 1303020 1357884 1433322 1592580 1697355 1954530 2149983 2263140 2345436 2388870 2866644 2931795 3394710 3583305 3909060 4299966 4777740 5863590 6449949 6789420 7166610 8599932 10749915 11727180 12899898 14333220 21499830 25799796 32249745 42999660 64499490 128998980
- Sum of all divisors σ(n): 469647360
- Sum of proper divisors (its aliquot sum) s(n): 340648380
- 128998980 is an abundant number, because the sum of its proper divisors (340648380) is greater than itself. Its abundance is 211649400
Bases of 128998980
- Binary: 1111011000001011110010001002
- Hexadecimal: 0x7B05E44
- Base-36: 24SW90
Squares and roots of 128998980
- 128998980 squared (1289989802) is 16640736841040400
- 128998980 cubed (1289989803) is 2146638078942633738792000
-
The
square root of 128998980 is 11357.7717885155 -
The
cube root of 128998980 is 505.2761029783
Scales and comparisons
How big is 128998980?- 128,998,980 seconds is equal to 4 years, 5 weeks, 2 days, 1 hour, 3 minutes.
-
To count from 1 to 128,998,980 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 128998980 cubic inches would be around 42.1 feet tall.
Recreational maths with 128998980
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