128993760
128,993,760 is an even composite number composed of six prime numbers multiplied together.
128993760 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 128993760:
25 × 32 × 5 × 7 × 67 × 191
(2 × 2 × 2 × 2 × 2 × 3 × 3 × 5 × 7 × 67 × 191)See below for interesting mathematical facts about the number 128993760 from the Numbermatics database.
Names of 128993760
- Cardinal: 128993760 can be written as One hundred twenty-eight million, nine hundred ninety-three thousand, seven hundred sixty.
Scientific notation
- Scientific notation: 1.2899376 × 108
Factors of 128993760
Divisors of 128993760
- Number of divisors d(n): 288
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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 56 60 63 67 70 72 80 84 90 96 105 112 120 126 134 140 144 160 168 180 191 201 210 224 240 252 268 280 288 315 335 336 360 382 402 420 469 480 504 536 560 573 603 630 670 672 720 764 804 840 938 955 1005 1008 1072 1120 1146 1206 1260 1337 1340 1407 1440 1528 1608 1680 1719 1876 1910 2010 2016 2144 2292 2345 2412 2520 2674 2680 2814 2865 3015 3056 3216 3360 3438 3752 3820 4011 4020 4221 4584 4690 4824 5040 5348 5360 5628 5730 6030 6112 6432 6685 6876 7035 7504 7640 8022 8040 8442 8595 9168 9380 9648 10080 10696 10720 11256 11460 12033 12060 12797 13370 13752 14070 15008 15280 16044 16080 16884 17190 18336 18760 19296 20055 21105 21392 22512 22920 24066 24120 25594 26740 27504 28140 30560 32088 32160 33768 34380 37520 38391 40110 42210 42784 45024 45840 48132 48240 51188 53480 55008 56280 60165 63985 64176 67536 68760 75040 76782 80220 84420 89579 91680 96264 96480 102376 106960 112560 115173 120330 127970 128352 135072 137520 153564 160440 168840 179158 191955 192528 204752 213920 225120 230346 240660 255940 268737 275040 307128 320880 337680 358316 383910 385056 409504 447895 460692 481320 511880 537474 575865 614256 641760 675360 716632 767820 806211 895790 921384 962640 1023760 1074948 1151730 1228512 1343685 1433264 1535640 1612422 1791580 1842768 1925280 2047520 2149896 2303460 2687370 2866528 3071280 3224844 3583160 3685536 4031055 4299792 4606920 5374740 6142560 6449688 7166320 8062110 8599584 9213840 10749480 12899376 14332640 16124220 18427680 21498960 25798752 32248440 42997920 64496880 128993760
- Sum of all divisors σ(n): 513257472
- Sum of proper divisors (its aliquot sum) s(n): 384263712
- 128993760 is an abundant number, because the sum of its proper divisors (384263712) is greater than itself. Its abundance is 255269952
Bases of 128993760
- Binary: 1111011000001001001111000002
- Hexadecimal: 0x7B049E0
- Base-36: 24SS80
Squares and roots of 128993760
- 128993760 squared (1289937602) is 16639390118937600
- 128993760 cubed (1289937603) is 2146377495548608229376000
-
The
square root of 128993760 is 11357.5419875957 -
The
cube root of 128993760 is 505.2692874803
Scales and comparisons
How big is 128993760?- 128,993,760 seconds is equal to 4 years, 5 weeks, 1 day, 23 hours, 36 minutes.
-
To count from 1 to 128,993,760 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 128993760 cubic inches would be around 42.1 feet tall.
Recreational maths with 128993760
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