21495961 is an odd 8-digits composite number following 21495960
and preceding 21495962 . In scientific notation, it is written as 2.1495961 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 20561332 positive integers (up to 21495961) that are relatively prime to 21495961.
21495961 has 4 divisors, whose sum is 22430592
The reverse of 21495961 is 16959412
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred ninety-five thousand nine hundred sixty-one
Scientific notation
2.1495961 × 10^7
Engineering notation
2.1495961 × 10^6
Prime Factorization
23 × 934607
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21495961
Product of the distinct prime numbers
The prime factorization of 21495961 is 23 × 934607.
Since it has a total of 2 prime factors.
6 , 3 , 47 , 26 , 634 , 678 , 1080 , 9224 , 3186 , 66369 , 326537 , 972940 , 723017 , 658562 , 29081767 , 22065848 , 785727414 , 591325555 , 1185842286 , 3088575120
n×2
42991922
n×3
64487883
n×4
85983844
n×5
107479805
n÷2
10747980.5
n÷3
7165320.3333333
n÷3
5373990.25
n÷5
4299192.2
n2
462076339313521
n3
9.9327749689062E+21
n4
2.1351454335338E+29
n5
4.5897002968572E+36
2 √n
4636.3736907199
3 √n
278.04747476916
4 √n
68.090922234318
5 √n
29.273279076182
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
-21495960
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 21495961 can be divided by 4 positive divisors.
The sum of these divisors (counting 21495961) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010010000000000010011001
3
Ternary
1111110002220201
4
Quaternary
1102000002121
5
Quinary
21000332321
6
Senary
2044422201
8
Octal
122000231
10
Decimal
21495961
12
Duodecimal
7247961
16
Hexadecimal
1480099
20
Vigesimal
6e6ji1
36
Base36
csqe1
md5
e0bf3f7b1cc0cc0b7dc0fcb56d84b3d9
sha1
20b7bdd5dc305af245150b05a333c2bbf62754b6
sha256
7b0e1f670c648f4000bbfb08102b24c43fb04b62836d15f40fcc7c7748e49aa3
sha512
1bd4f3c84a3f560203bfffedb592df5ff34cc43a52688bd4c74b59778d1a5724313565a16907aa10831e89585d1f3424ad721ad63e0a0f6b941d323b2fe055dd
ripemd-160
40e9bba622ffc4f1dfa28d7e43b1c217d86f4a1b
Diameter
42991922
Circumference
135063106.31891
Area
1.451655632985E+15
Volume
4.1606310496102E+22
Surface area
5.8066225319401E+15
Circumference
135063106.31891
Perimeter
85983844
Area
462076339313521
Diagonal
30399879.582443
Surface area
2772458035881126
Volume
9.9327749689062E+21
Space diagonal
37232096.609519
Perimeter
64487883
Area
2.0008492416661E+14
Altitude
18616048.30476
Surface area
2.0008492416661E+14
Volume
1.1705887560856E+21
Height
10133293.194148