64207891 is an odd 8-digits composite number following 64207890
and preceding 64207892 . In scientific notation, it is written as 6.4207891 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 58370800 positive integers (up to 64207891) that are relatively prime to 64207891.
64207891 has 4 divisors, whose sum is 70044984
The reverse of 64207891 is 19870246
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
sixty-four million two hundred seven thousand eight hundred ninety-one
Scientific notation
6.4207891 × 10^7
Engineering notation
6.4207891 × 10^6
Prime Factorization
11 × 5837081
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64207891
Product of the distinct prime numbers
The prime factorization of 64207891 is 11 × 5837081.
Since it has a total of 2 prime factors.
3 , 5 , 53 , 81 , 148 , 131 , 3254 , 8300 , 7696 , 40577 , 95020 , 200168 , 7633497 , 2106853 , 34450303 , 38661212 , 556000992 , 825159728 , 7178011900 , 2471931833
n×2
128415782
n×3
192623673
n×4
256831564
n×5
321039455
n÷2
32103945.5
n÷3
21402630.333333
n÷3
16051972.75
n÷5
12841578.2
n2
4122653266667881
n3
2.6470687157701E+23
n4
1.6996269957167E+31
n5
1.0912946488164E+39
2 √n
8012.9826531698
3 √n
400.43263814189
4 √n
89.515264917051
5 √n
36.434908317037
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64207890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64207891 can be divided by 4 positive divisors.
The sum of these divisors (counting 64207891) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110100111011110000010011
3
Ternary
11110211002200001
4
Quaternary
3310323300103
5
Quinary
112414123031
6
Senary
10212110431
8
Octal
364736023
10
Decimal
64207891
12
Duodecimal
19605417
16
Hexadecimal
3d3bc13
20
Vigesimal
1015jeb
36
Base36
12874j
md5
368a1e75f5f8b422fddd58ca87484f10
sha1
2255b8b3f47cb47c7ff0feae3ac22cfd308b3b4b
sha256
935b5041ec1991e8e3558a2ffd1881f9dbba2f74183daf53ae9d5671c09547df
sha512
b7e250f1865fc161bb4961917965d4009040ff9670766748593f9eb12b5f24c78074ae3dfa00ec29f062b70e96f523e882c30b33f794fc7e93c2548c6439890f
ripemd-160
aed727933128b62969f8f5f3a5a88a40babce854
Diameter
128415782
Circumference
403430077.33619
Area
1.2951697215862E+16
Volume
1.1088015508014E+24
Surface area
5.1806788863447E+16
Circumference
403430077.33619
Perimeter
256831564
Area
4122653266667881
Diagonal
90803670.263573
Surface area
24735919600007286
Volume
2.6470687157701E+23
Space diagonal
111211329.45884
Perimeter
192623673
Area
1.7851612299646E+15
Altitude
55605664.729422
Surface area
1.7851612299646E+15
Volume
3.1196003986463E+22
Height
30267890.087858