64457989 is an odd 8-digits composite number following 64457988
and preceding 64457990 . In scientific notation, it is written as 6.4457989 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 61945800 positive integers (up to 64457989) that are relatively prime to 64457989.
64457989 has 12 divisors, whose sum is 67057632
The reverse of 64457989 is 98975446
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
sixty-four million four hundred fifty-seven thousand nine hundred eighty-nine
Scientific notation
6.4457989 × 10^7
Engineering notation
6.4457989 × 10^6
Prime Factorization
43 × 43 × 491 × 71
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1499023
Product of the distinct prime numbers
The prime factorization of 64457989 is 43 × 43 × 491 × 71.
Since it has a total of 4 prime factors.
6 , 1 , 31 , 52 , 454 , 522 , 7695 , 5107 , 36465 , 48918 , 565252 , 752258 , 756854 , 9997296 , 22078086 , 71987907 , 819406873 , 892581897 , 4040803975 , 4625982130
n×2
128915978
n×3
193373967
n×4
257831956
n×5
322289945
n÷2
32228994.5
n÷3
21485996.333333
n÷3
16114497.25
n÷5
12891597.8
n2
4154832345924121
n3
2.6781213765042E+23
n4
1.7262631822737E+31
n5
1.1127145321411E+39
2 √n
8028.5732854599
3 √n
400.95187677969
4 √n
89.602306250787
5 √n
36.463247928321
1 , 43 , 71 , 491 , 1849 , 3053 , 21113 , 34861 , 131279 , 907859 , 1499023 , 64457989
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-64457988
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 64457989 can be divided by 12 positive divisors.
The sum of these divisors (counting 64457989) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
11110101111000110100000101
3
Ternary
11111021210201221
4
Quaternary
3311320310011
5
Quinary
113000123424
6
Senary
10221320341
8
Octal
365706405
10
Decimal
64457989
12
Duodecimal
197060b1
16
Hexadecimal
3d78d05
20
Vigesimal
102h4j9
36
Base36
12dk3p
md5
67e806974cd3ac5cd2bd98e5656263d2
sha1
7d0c1f16347ae5eeda7d03abd75b00fe7fce9ebd
sha256
6f523964205e156ecfb5deb2c0c068208afb9f45abbe58b65e874d0f464d7059
sha512
6fcf30e3521f5ba4e77494577f9f0d07b387e83f8f7b96a16acb1d24c1904410ca2c70ec353c50a5d900b7492645d444ba94dd61b7bffeda42afc50ee64e63ee
ripemd-160
a0bbb7046a1b6dc81d653660c6310ce064f7495a
Diameter
128915978
Circumference
405001489.41514
Area
1.3052790774852E+16
Volume
1.121808858913E+24
Surface area
5.221116309941E+16
Circumference
405001489.41514
Perimeter
257831956
Area
4154832345924121
Diagonal
91157362.247096
Surface area
24928994075544726
Volume
2.6781213765042E+23
Space diagonal
111644511.90172
Perimeter
193373967
Area
1.7990951800178E+15
Altitude
55822255.950858
Surface area
1.7990951800178E+15
Volume
3.156196310278E+22
Height
30385787.415699