21031737 is an odd 8-digits composite number following 21031736
and preceding 21031738 . In scientific notation, it is written as 2.1031737 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 13196352 positive integers (up to 21031737) that are relatively prime to 21031737.
21031737 has 8 divisors, whose sum is 29691936
The reverse of 21031737 is 73713012
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million thirty-one thousand seven hundred thirty-seven
Scientific notation
2.1031737 × 10^7
Engineering notation
2.1031737 × 10^6
Prime Factorization
3 × 17 × 412387
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21031737
Product of the distinct prime numbers
The prime factorization of 21031737 is 3 × 17 × 412387.
Since it has a total of 3 prime factors.
7 , 9 , 56 , 31 , 262 , 478 , 4375 , 3001 , 6862 , 99688 , 788838 , 199242 , 4663478 , 935848 , 30172968 , 25017632 , 387669553 , 739109847 , 6416088597 , 4262519972
n×2
42063474
n×3
63095211
n×4
84126948
n×5
105158685
n÷2
10515868.5
n÷3
7010579
n÷3
5257934.25
n÷5
4206347.4
n2
442333961237169
n3
9.3030515389083E+21
n4
1.9565933326377E+29
n5
4.1150556387989E+36
2 √n
4586.0371782182
3 √n
276.03133177177
4 √n
67.720286312288
5 √n
29.145736113319
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
-21031736
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 21031737 can be divided by 8 positive divisors.
The sum of these divisors (counting 21031737) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001110101100111001
3
Ternary
1110120112010020
4
Quaternary
1100032230321
5
Quinary
20341003422
6
Senary
2030441053
8
Octal
120165471
10
Decimal
21031737
12
Duodecimal
7063189
16
Hexadecimal
140eb39
20
Vigesimal
6b8j6h
36
Base36
cis6x
md5
9d4d018b149dc6b6fb0e6dc58b191e42
sha1
a7ad3a627e8c147a621472b7b766d3da313b3d5e
sha256
a1e4c1e6a449999dc66f88e402e4b509a9f6ed97731d219e0e2a065d4e60fa81
sha512
26187f5618898bfe4be71af367621673544f15e8d0d2760217eb80c06c6dc813e6e350a5af45c1f7867832507061aa5164e6aef33efcecce8fd8c30e99c676f4
ripemd-160
915799dfc36b7348936b53d1bfbf8bdf5f904c96
Diameter
42063474
Circumference
132146300.90287
Area
1.389633123056E+15
Volume
3.8968531160802E+22
Surface area
5.5585324922238E+15
Circumference
132146300.90287
Perimeter
84126948
Area
442333961237169
Diagonal
29743367.705664
Surface area
2654003767423014
Volume
9.3030515389083E+21
Space diagonal
36428037.055426
Perimeter
63095211
Area
1.9153622369399E+14
Altitude
18214018.527713
Surface area
1.9153622369399E+14
Volume
1.0963751381483E+21
Height
9914455.901888