664895961 is an odd 9-digits composite number following 664895960
and preceding 664895962 . In scientific notation, it is written as 6.64895961 × 10^8.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 440288160 positive integers (up to 664895961) that are relatively prime to 664895961.
664895961 has 8 divisors, whose sum is 743733000
The reverse of 664895961 is 169598466
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
six hundred sixty-four million eight hundred ninety-five thousand nine hundred sixty-one
Scientific notation
6.64895961 × 10^8
Engineering notation
6.64895961 × 10^6
Prime Factorization
9 × 149 × 495821
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
664895961
Product of the distinct prime numbers
The prime factorization of 664895961 is 9 × 149 × 495821.
Since it has a total of 3 prime factors.
9 , 3 , 34 , 38 , 100 , 892 , 5819 , 1511 , 48277 , 72924 , 137103 , 97680 , 1714117 , 3276922 , 77994070 , 22960898 , 501040569 , 532882731 , 3181047569 , 6751554606
n×2
1329791922
n×3
1994687883
n×4
2659583844
n×5
3324479805
n÷2
332447980.5
n÷3
221631987
n÷3
166223990.25
n÷5
132979192.2
n2
442086638954113521
n3
2.9394162065266E+26
n4
1.9544059634174E+35
n5
1.2994766312306E+44
2 √n
25785.576607864
3 √n
872.80635202876
4 √n
160.57887970671
5 √n
58.150136558843
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-664895960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 664895961 can be divided by 8 positive divisors.
The sum of these divisors (counting 664895961) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111101000011000000111011001
3
Ternary
1201100010012210100
4
Quaternary
213220120013121
5
Quinary
2330203132321
6
Senary
145551010013
8
Octal
4750300731
10
Decimal
664895961
12
Duodecimal
166809909
16
Hexadecimal
27a181d9
20
Vigesimal
a7fbji1
36
Base36
azv109
md5
2b1378bd54489ffc60c1c32261c6aaf4
sha1
dba5e9193878b13a3b3d6496553d6e62e573cc03
sha256
44a0e7b50bac841cb96f1cad734540a561cf5ed322efc311c4cf3ec45df5f96b
sha512
b82ed50edb61d47e44240bbea5f83a21051b9df7d5c0d9fe91443dc5ec6886940fee31a6e67c0dbc937d193c20624ca6549ae3d911d7e1bbfd107fae4f363154
ripemd-160
0ce728993c3ced20c0e177ea884732c6a1738ebe
Diameter
1329791922
Circumference
4177664532.9583
Area
1.3888561371884E+18
Volume
1.2312597813689E+27
Surface area
5.5554245487538E+18
Circumference
4177664532.9583
Perimeter
2659583844
Area
442086638954113521
Diagonal
940304885.61329
Surface area
2652519833724681126
Volume
2.9394162065266E+26
Space diagonal
1151633586.1993
Perimeter
1994687883
Area
1.9142913000397E+17
Altitude
575816793.09967
Surface area
1.9142913000397E+17
Volume
3.4641352206076E+25
Height
313434961.8711