12945348720
12,945,348,720 is an even composite number composed of five prime numbers multiplied together.
12945348720 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred eighty divisors.
Prime factorization of 12945348720:
24 × 36 × 5 × 67 × 3313
(2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 67 × 3313)See below for interesting mathematical facts about the number 12945348720 from the Numbermatics database.
Names of 12945348720
- Cardinal: 12945348720 can be written as Twelve billion, nine hundred forty-five million, three hundred forty-eight thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.294534872 × 1010
Factors of 12945348720
Divisors of 12945348720
- Number of divisors d(n): 280
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Complete list of divisors:
1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 36 40 45 48 54 60 67 72 80 81 90 108 120 134 135 144 162 180 201 216 240 243 268 270 324 335 360 402 405 432 486 536 540 603 648 670 720 729 804 810 972 1005 1072 1080 1206 1215 1296 1340 1458 1608 1620 1809 1944 2010 2160 2412 2430 2680 2916 3015 3216 3240 3313 3618 3645 3888 4020 4824 4860 5360 5427 5832 6030 6480 6626 7236 7290 8040 9045 9648 9720 9939 10854 11664 12060 13252 14472 14580 16080 16281 16565 18090 19440 19878 21708 24120 26504 27135 28944 29160 29817 32562 33130 36180 39756 43416 48240 48843 49695 53008 54270 58320 59634 65124 66260 72360 79512 81405 86832 89451 97686 99390 108540 119268 130248 132520 144720 149085 159024 162810 178902 195372 198780 217080 221971 238536 244215 260496 265040 268353 298170 325620 357804 390744 397560 434160 443942 447255 477072 488430 536706 596340 651240 665913 715608 781488 795120 805059 887884 894510 976860 1073412 1109855 1192680 1302480 1331826 1341765 1431216 1610118 1775768 1789020 1953720 1997739 2146824 2219710 2385360 2415177 2663652 2683530 3220236 3329565 3551536 3578040 3907440 3995478 4025295 4293648 4439420 4830354 5327304 5367060 5993217 6440472 6659130 7156080 7990956 8050590 8878840 9660708 9988695 10654608 10734120 11986434 12075885 12880944 13318260 15981912 16101180 17757680 17979651 19321416 19977390 21468240 23972868 24151770 26636520 29966085 31963824 32202360 35959302 38642832 39954780 47945736 48303540 53273040 53938953 59932170 64404720 71918604 79909560 89898255 95891472 96607080 107877906 119864340 143837208 159819120 161816859 179796510 193214160 215755812 239728680 269694765 287674416 323633718 359593020 431511624 479457360 539389530 647267436 719186040 809084295 863023248 1078779060 1294534872 1438372080 1618168590 2157558120 2589069744 3236337180 4315116240 6472674360 12945348720
- Sum of all divisors σ(n): 45813610896
- Sum of proper divisors (its aliquot sum) s(n): 32868262176
- 12945348720 is an abundant number, because the sum of its proper divisors (32868262176) is greater than itself. Its abundance is 19922913456
Bases of 12945348720
- Binary: 11000000111001101001011000011100002
- Hexadecimal: 0x3039A5870
- Base-36: 5Y3BR00
Squares and roots of 12945348720
- 12945348720 squared (129453487202) is 167582053482405638400
- 12945348720 cubed (129453487203) is 2169408121543431373582222848000
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The
square root of 12945348720 is 113777.6283809785 -
The
cube root of 12945348720 is 2348.0350993633
Scales and comparisons
How big is 12945348720?- 12,945,348,720 seconds is equal to 411 years, 32 weeks, 2 days, 10 hours, 12 minutes.
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To count from 1 to 12,945,348,720 would take you about eight hundred twenty-three 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 12945348720 cubic inches would be around 195.7 feet tall.
Recreational maths with 12945348720
- 12945348720 backwards is 02784354921
- 12945348720 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 12945348720's digits is 45
- More coming soon!
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