64138891 is an odd 8-digits prime number following 64138890
and preceding 64138892 . In scientific notation, it is written as 6.4138891 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 64138890 positive integers (up to 64138891) that are relatively prime to 64138891.
64138891 has 2 divisors, whose sum is 64138892
The reverse of 64138891 is 19883146
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 40 Digital Root 4
Name
sixty-four million one hundred thirty-eight thousand eight hundred ninety-one
Scientific notation
6.4138891 × 10^7
Engineering notation
6.4138891 × 10^6
Prime Factorization
64138891
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
64138891 Product of the distinct prime numbers
The prime factorization of 64138891 is 64138891.
Since it has a total of 1 prime factors.
10 , 9 , 56 , 57 , 84 , 536 , 3108 , 22 , 48383 , 43244 , 378050 , 420106 , 8201501 , 6069649 , 93394515 , 30353353 , 391245005 , 241877734 , 6585256758 , 2131513540
n×2
128277782
n×3
192416673
n×4
256555564
n×5
320694455
n÷2
32069445.5
n÷3
21379630.333333
n÷3
16034722.75
n÷5
12827778.2
n2
4113797338709881
n3
2.638543991036E+23
n4
1.6923328543976E+31
n5
1.0854435248393E+39
2 √n8008.6759829575
3 √n400.2891471844
4 √n89.491206176682
5 √n36.427074108537
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
64138892 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
32069446 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8008.6760453898 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999688177 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64138891 can be divided by 2 positive divisors.
The sum of these divisors (counting 64138891) is 64138892, the average is 32069446.
Base
System
Value
2
Binary
11110100101010111010001011
3
Ternary
11110200121000111
4
Quaternary
3310222322023
5
Quinary
112404421031
6
Senary
10210415151
8
Octal
364527213
10
Decimal
64138891
12
Duodecimal
195914b7
16
Hexadecimal
3d2ae8b
20
Vigesimal
100h74b
36
Base36
126pvv
md5
b9e7fe9b59e87e00a37a98997a36b264
sha1
e72a81f4d586257b62bd2d9fa9553f86b01bf056
sha256
2df1ed73d2dd64515f34a0b07a20217acb863ef4ebec01a59d41691cac2773a3
sha512
c16c28320cbbe5f81feb8a858cbc27e7dc86901818b083f3cec6518698a3fc43a5e854a454ae5230c4159f208e9918febc0d41342318c66be97db3ea48d05179
ripemd-160
a6a247c0d74d117aec4a0e839c6739083c93c917
Diameter
128277782
Circumference
402996537.54999
Area
1.2923875497648E+16
Volume
1.105230722455E+24
Surface area
5.1695501990593E+16
Circumference
402996537.54999
Perimeter
256555564
Area
4113797338709881
Diagonal
90706089.52777
Surface area
24682784032259286
Volume
2.638543991036E+23
Space diagonal
111091817.95312
Perimeter
192416673
Area
1.7813265006718E+15
Altitude
55545908.976561
Surface area
1.7813265006718E+15
Volume
3.109553914201E+22
Height
30235363.175923