68637290 is an even 8-digits composite number following 68637289
and preceding 68637291 . In scientific notation, it is written as 6.8637290 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors.
There are 26006464 positive integers (up to 68637290) that are relatively prime to 68637290.
68637290 has 32 divisors, whose sum is 130170240
The reverse of 68637290 is 09273686
Previous prime number is 107
Is Prime? no Number parity even Number length 8 Sum of Digits 41 Digital Root 5
Name
sixty-eight million six hundred thirty-seven thousand two hundred ninety
Scientific notation
6.8637290 × 10^7
Engineering notation
6.8637290 × 10^6
Prime Factorization
2 × 5 × 23 × 107 × 2789
Composite number
ω Distinct Factors
5 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
68637290 Product of the distinct prime numbers
The prime factorization of 68637290 is 2 × 5 × 23 × 107 × 2789.
Since it has a total of 5 prime factors.
4 , 7 , 45 , 31 , 210 , 623 , 6352 , 1425 , 65301 , 45259 , 163481 , 887997 , 7069414 , 5690135 , 43792284 , 67899931 , 36315303 , 346063564 , 9715726871 , 8148679441
n×2
137274580
n×3
205911870
n×4
274549160
n×5
343186450
n÷2
34318645
n÷3
22879096.666667
n÷3
17159322.5
n÷5
13727458
n2
4711077578544100
n3
3.2335559797103E+23
n4
2.2194251951061E+31
n5
1.523353307498E+39
2 √n8284.7625192277
3 √n409.43664448619
4 √n91.020670834859
5 √n36.92427914925
1 , 2 , 5 , 10 , 23 , 46 , 107 , 115 , 214 , 230 , 535 , 1070 , 2461 , 2789 , 4922 , 5578 , 12305 , 13945 , 24610 , 27890 , 64147 , 128294 , 298423 , 320735 , 596846 , 641470 , 1492115 , 2984230 , 6863729 , 13727458 , 34318645 , 68637290
32 divisors
τ Total Divisors
32 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-68637289 Sum of the proper positive divisors of n
A Arithmetic Mean
0.03125 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
1 Returns the nth root of the product of n divisors
H Harmonic Mean
32 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68637290 can be divided by 32 positive divisors.
The sum of these divisors (counting 68637290) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100000101110101001001101010
3
Ternary
11210011010122212
4
Quaternary
10011311021222
5
Quinary
120032343130
6
Senary
10451045122
8
Octal
405651152
10
Decimal
68637290
12
Duodecimal
1aba07a2
16
Hexadecimal
417526a
20
Vigesimal
118jd4a
36
Base36
14v4ve
md5
d3abb6d8bfe17a698e6eb5c7f3ed7b8c
sha1
70ff7cac5be49e6e62ff240d115509ff76aabfe0
sha256
ca741e687c594da7398d4b4f6fb6c9214b9174802807ed3ef8191f509341611c
sha512
37351406d770e336bed2f483f688164fd12c9e8621943d517c341be2a011191b69fc10b0d85faedb5b072c918f13455764ac0343495d5ad358d83795dbfb5aff
ripemd-160
097b76cca30de12141f1e8bc9d88a47bfd6a6403
Diameter
137274580
Circumference
431260812.05262
Area
1.4800286711246E+16
Volume
1.3544687614439E+24
Surface area
5.9201146844983E+16
Circumference
431260812.05262
Perimeter
274549160
Area
4711077578544100
Diagonal
97067786.402535
Surface area
28266465471264600
Volume
3.2335559797103E+23
Space diagonal
118883273.57384
Perimeter
205911870
Area
2.0399564311092E+15
Altitude
59441636.78692
Surface area
2.0399564311092E+15
Volume
3.8107822676658E+22
Height
32355928.800845