64702921 is an odd 8-digits composite number following 64702920
and preceding 64702922 . In scientific notation, it is written as 6.4702921 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 62502960 positive integers (up to 64702921) that are relatively prime to 64702921.
64702921 has 8 divisors, whose sum is 66910464
The reverse of 64702921 is 12920746
Previous prime number is 677
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
sixty-four million seven hundred two thousand nine hundred twenty-one
Scientific notation
6.4702921 × 10^7
Engineering notation
6.4702921 × 10^6
Prime Factorization
31 × 677 × 3083
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
64702921
Product of the distinct prime numbers
The prime factorization of 64702921 is 31 × 677 × 3083.
Since it has a total of 3 prime factors.
1 , 1 , 83 , 20 , 653 , 169 , 3761 , 5118 , 61096 , 39901 , 895568 , 284945 , 5599814 , 404372 , 36025613 , 88115657 , 184285946 , 608681633 , 4713493841 , 6943544146
n×2
129405842
n×3
194108763
n×4
258811684
n×5
323514605
n÷2
32351460.5
n÷3
21567640.333333
n÷3
16175730.25
n÷5
12940584.2
n2
4186467985932241
n3
2.708767073628E+23
n4
1.7526514197236E+31
n5
1.1340166635091E+39
2 √n
8043.8125910541
3 √n
401.45908992001
4 √n
89.687304514374
5 √n
36.490917027422
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
-64702920
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 64702921 can be divided by 8 positive divisors.
The sum of these divisors (counting 64702921) is 1, the average is 0.125.
Base
System
Value
2
Binary
11110110110100100111001001
3
Ternary
11111202020201111
4
Quaternary
3312310213021
5
Quinary
113030443141
6
Senary
10230450321
8
Octal
366644711
10
Decimal
64702921
12
Duodecimal
198039a1
16
Hexadecimal
3db49c9
20
Vigesimal
1047h61
36
Base36
12it3d
md5
9d8e34ebb11dce8708e0758567014c37
sha1
8862305567aa636c138010e987e8c583843f1185
sha256
25d1135fb8758c94715ce9412965ad4f23b8fb22386aaae0de1aea8765802a65
sha512
6262863c4664548fd70d0cfa6c27aa397acfcab7f4c5cefb94474c5f393d71fa37091631deee0e23994ff7e4f7e1f5ff7299b72ad3792b069905c2a846b73dcd
ripemd-160
c733fc74bb12e592c078176845e5ea395c2ddc82
Diameter
129405842
Circumference
406540442.5588
Area
1.3152177069094E+16
Volume
1.1346456985061E+24
Surface area
5.2608708276374E+16
Circumference
406540442.5588
Perimeter
258811684
Area
4186467985932241
Diagonal
91503748.403355
Surface area
25118807915593446
Volume
2.708767073628E+23
Space diagonal
112068746.57012
Perimeter
194108763
Area
1.8127938139738E+15
Altitude
56034373.285058
Surface area
1.8127938139738E+15
Volume
3.1923126106954E+22
Height
30501249.467785