121728880
121,728,880 is an even composite number composed of six prime numbers multiplied together.
121728880 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 121728880:
24 × 5 × 7 × 13 × 23 × 727
(2 × 2 × 2 × 2 × 5 × 7 × 13 × 23 × 727)See below for interesting mathematical facts about the number 121728880 from the Numbermatics database.
Names of 121728880
- Cardinal: 121728880 can be written as One hundred twenty-one million, seven hundred twenty-eight thousand, eight hundred eighty.
Scientific notation
- Scientific notation: 1.2172888 × 108
Factors of 121728880
Divisors of 121728880
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 13 14 16 20 23 26 28 35 40 46 52 56 65 70 80 91 92 104 112 115 130 140 161 182 184 208 230 260 280 299 322 364 368 455 460 520 560 598 644 727 728 805 910 920 1040 1196 1288 1454 1456 1495 1610 1820 1840 2093 2392 2576 2908 2990 3220 3635 3640 4186 4784 5089 5816 5980 6440 7270 7280 8372 9451 10178 10465 11632 11960 12880 14540 16721 16744 18902 20356 20930 23920 25445 29080 33442 33488 37804 40712 41860 47255 50890 58160 66157 66884 75608 81424 83605 83720 94510 101780 117047 132314 133768 151216 167210 167440 189020 203560 217373 234094 264628 267536 330785 334420 378040 407120 434746 468188 529256 585235 661570 668840 756080 869492 936376 1058512 1086865 1170470 1323140 1337680 1521611 1738984 1872752 2173730 2340940 2646280 3043222 3477968 4347460 4681880 5292560 6086444 7608055 8694920 9363760 12172888 15216110 17389840 24345776 30432220 60864440 121728880
- Sum of all divisors σ(n): 363976704
- Sum of proper divisors (its aliquot sum) s(n): 242247824
- 121728880 is an abundant number, because the sum of its proper divisors (242247824) is greater than itself. Its abundance is 120518944
Bases of 121728880
- Binary: 1110100000101101111011100002
- Hexadecimal: 0x7416F70
- Base-36: 20H2LS
Squares and roots of 121728880
- 121728880 squared (1217288802) is 14817920226054400
- 121728880 cubed (1217288803) is 1803768833046948931072000
-
The
square root of 121728880 is 11033.0811652955 -
The
cube root of 121728880 is 495.5998984661
Scales and comparisons
How big is 121728880?- 121,728,880 seconds is equal to 3 years, 45 weeks, 1 day, 21 hours, 34 minutes, 40 seconds.
-
To count from 1 to 121,728,880 would take you about five 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 121728880 cubic inches would be around 41.3 feet tall.
Recreational maths with 121728880
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