21695961 is an odd 8-digits composite number following 21695960
and preceding 21695962 . In scientific notation, it is written as 2.1695961 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 11668224 positive integers (up to 21695961) that are relatively prime to 21695961.
21695961 has 16 divisors, whose sum is 35005824
The reverse of 21695961 is 16959612
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-one million six hundred ninety-five thousand nine hundred sixty-one
Scientific notation
2.1695961 × 10^7
Engineering notation
2.1695961 × 10^6
Prime Factorization
7 × 3 × 17 × 60773
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21695961
Product of the distinct prime numbers
The prime factorization of 21695961 is 7 × 3 × 17 × 60773.
Since it has a total of 4 prime factors.
5 , 2 , 56 , 36 , 528 , 633 , 9444 , 7823 , 7014 , 47451 , 676871 , 86739 , 1249423 , 8285126 , 94001643 , 87344393 , 245971610 , 518362870 , 975908685 , 9617354435
n×2
43391922
n×3
65087883
n×4
86783844
n×5
108479805
n÷2
10847980.5
n÷3
7231987
n÷3
5423990.25
n÷5
4339192.2
n2
470714723713521
n3
1.0212608287814E+22
n4
2.215723511207E+29
n5
4.8072250885929E+36
2 √n
4657.8923345221
3 √n
278.90713883937
4 √n
68.248753355077
5 √n
29.327549623143
1 , 3 , 7 , 17 , 21 , 51 , 119 , 357 , 60773 , 182319 , 425411 , 1033141 , 1276233 , 3099423 , 7231987 , 21695961
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21695960
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21695961 can be divided by 16 positive divisors.
The sum of these divisors (counting 21695961) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010010110000110111011001
3
Ternary
1111211021021010
4
Quaternary
1102300313121
5
Quinary
21023232321
6
Senary
2053004133
8
Octal
122606731
10
Decimal
21695961
12
Duodecimal
7323649
16
Hexadecimal
14b0dd9
20
Vigesimal
6fbji1
36
Base36
cx0pl
md5
bb3d6803df5de360ee770190cd207a61
sha1
b3c48125945ddf4dc0704beaa2d054d5abb9ab31
sha256
1e22104a20dfaee5e0338d0221b1c6e14e0c61e74e76761452db9d6dd7e36999
sha512
e5e11eb9994e3d69c70d1ec3c70e4557c47d40e8af7099b19ec203f57e49a66fd8d99752facba03f97cc63618a87206ae69f1e06efe6ba8abb08fd0e3ce16d40
ripemd-160
e1cfe83992b4a7e187d18ec8c77389098ddaf832
Diameter
43391922
Circumference
136319743.38034
Area
1.4787939179549E+15
Volume
4.2778473561317E+22
Surface area
5.9151756718198E+15
Circumference
136319743.38034
Perimeter
86783844
Area
470714723713521
Diagonal
30682722.294918
Surface area
2824288342281126
Volume
1.0212608287814E+22
Space diagonal
37578506.771033
Perimeter
65087883
Area
2.0382545433564E+14
Altitude
18789253.385516
Surface area
2.0382545433564E+14
Volume
1.2035674289859E+21
Height
10227574.098306