64221491 is an odd 8-digits composite number following 64221490
and preceding 64221492 . In scientific notation, it is written as 6.4221491 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 62149800 positive integers (up to 64221491) that are relatively prime to 64221491.
64221491 has 4 divisors, whose sum is 66293184
The reverse of 64221491 is 19412246
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
sixty-four million two hundred twenty-one thousand four hundred ninety-one
Scientific notation
6.4221491 × 10^7
Engineering notation
6.4221491 × 10^6
Prime Factorization
31 × 2071661
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
64221491
Product of the distinct prime numbers
The prime factorization of 64221491 is 31 × 2071661.
Since it has a total of 2 prime factors.
6 , 6 , 44 , 79 , 284 , 97 , 7647 , 576 , 5264 , 60867 , 787044 , 463123 , 4608335 , 8469946 , 11249370 , 35130714 , 11375324 , 384011867 , 7971722771 , 8926282355
n×2
128442982
n×3
192664473
n×4
256885964
n×5
321107455
n÷2
32110745.5
n÷3
21407163.666667
n÷3
16055372.75
n÷5
12844298.2
n2
4124399906263081
n3
2.6487511146048E+23
n4
1.7010674586783E+31
n5
1.092450884879E+39
2 √n
8013.8312310655
3 √n
400.46090828822
4 √n
89.520004641786
5 √n
36.436451656238
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
-64221490
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 64221491 can be divided by 4 positive divisors.
The sum of these divisors (counting 64221491) is 1, the average is 0.25.
Base
System
Value
2
Binary
11110100111111000100110011
3
Ternary
11110211210022202
4
Quaternary
3310333010303
5
Quinary
112420041431
6
Senary
10212253415
8
Octal
364770463
10
Decimal
64221491
12
Duodecimal
1961126b
16
Hexadecimal
3d3f133
20
Vigesimal
1017deb
36
Base36
128hmb
md5
219cbc7aa5c525afe0f5547dffacdcb1
sha1
42fe5e657f98ccacbc7effe843ba675146a5ea55
sha256
e1b85d96a1018e9629d71ac00d7bea176da699bd07809a0f9a33c2836e0ea517
sha512
f3e61011327ad182eba1c4dcc314e2730548c6f79b2a828869062f2ef8e92dfdf08ac8f0bdbd132d4cad40f71e1eee0cbeff481e4b80065c1bd87a70d076053f
ripemd-160
7f723662937a60f5bb5684264d64c5a8f405377c
Diameter
128442982
Circumference
403515528.65637
Area
1.2957184445983E+16
Volume
1.1095062723773E+24
Surface area
5.182873778393E+16
Circumference
403515528.65637
Perimeter
256885964
Area
4124399906263081
Diagonal
90822903.568022
Surface area
24746399437578486
Volume
2.6487511146048E+23
Space diagonal
111234885.34983
Perimeter
192664473
Area
1.785917547095E+15
Altitude
55617442.674914
Surface area
1.785917547095E+15
Volume
3.1215831246874E+22
Height
30274301.189341