128125140
128,125,140 is an even composite number composed of seven prime numbers multiplied together.
128125140 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 128125140:
22 × 3 × 5 × 11 × 13 × 109 × 137
(2 × 2 × 3 × 5 × 11 × 13 × 109 × 137)See below for interesting mathematical facts about the number 128125140 from the Numbermatics database.
Names of 128125140
- Cardinal: 128125140 can be written as One hundred twenty-eight million, one hundred twenty-five thousand, one hundred forty.
Scientific notation
- Scientific notation: 1.2812514 × 108
Factors of 128125140
Divisors of 128125140
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 10 11 12 13 15 20 22 26 30 33 39 44 52 55 60 65 66 78 109 110 130 132 137 143 156 165 195 218 220 260 274 286 327 330 390 411 429 436 545 548 572 654 660 685 715 780 822 858 1090 1199 1308 1370 1417 1430 1507 1635 1644 1716 1781 2055 2145 2180 2398 2740 2834 2860 3014 3270 3562 3597 4110 4251 4290 4521 4796 5343 5668 5995 6028 6540 7085 7124 7194 7535 8220 8502 8580 8905 9042 10686 11990 14170 14388 14933 15070 15587 17004 17810 17985 18084 19591 21255 21372 22605 23980 26715 28340 29866 30140 31174 35620 35970 39182 42510 44799 45210 46761 53430 58773 59732 62348 71940 74665 77935 78364 85020 89598 90420 93522 97955 106860 117546 149330 155870 164263 179196 187044 194129 195910 223995 233805 235092 293865 298660 311740 328526 388258 391820 447990 467610 492789 582387 587730 657052 776516 821315 895980 935220 970645 985578 1164774 1175460 1642630 1941290 1971156 2135419 2329548 2463945 2911935 3285260 3882580 4270838 4927890 5823870 6406257 8541676 9855780 10677095 11647740 12812514 21354190 25625028 32031285 42708380 64062570 128125140
- Sum of all divisors σ(n): 428440320
- Sum of proper divisors (its aliquot sum) s(n): 300315180
- 128125140 is an abundant number, because the sum of its proper divisors (300315180) is greater than itself. Its abundance is 172190040
Bases of 128125140
- Binary: 1111010001100001000110101002
- Hexadecimal: 0x7A308D4
- Base-36: 24A5ZO
Squares and roots of 128125140
- 128125140 squared (1281251402) is 16416051500019600
- 128125140 cubed (1281251403) is 2103308896687221252744000
-
The
square root of 128125140 is 11319.2376068355 -
The
cube root of 128125140 is 504.1326024231
Scales and comparisons
How big is 128125140?- 128,125,140 seconds is equal to 4 years, 3 weeks, 5 days, 22 hours, 19 minutes.
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To count from 1 to 128,125,140 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 128125140 cubic inches would be around 42 feet tall.
Recreational maths with 128125140
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