21031079 is an odd 8-digits prime number following 21031078
and preceding 21031080 . In scientific notation, it is written as 2.1031079 × 10^7.
The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors.
There are 21031078 positive integers (up to 21031079) that are relatively prime to 21031079.
21031079 has 2 divisors, whose sum is 21031080
The reverse of 21031079 is 97013012
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty-one million thirty-one thousand seventy-nine
Scientific notation
2.1031079 × 10^7
Engineering notation
2.1031079 × 10^6
Prime Factorization
21031079
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21031079
Product of the distinct prime numbers
The prime factorization of 21031079 is 21031079.
Since it has a total of 1 prime factors.
1 , 4 , 16 , 18 , 662 , 389 , 7731 , 3203 , 77183 , 32236 , 341672 , 500332 , 1501162 , 1350966 , 39644393 , 64319772 , 201298647 , 279250854 , 1385319205 , 2078769674
n×2
42062158
n×3
63093237
n×4
84124316
n×5
105155395
n÷2
10515539.5
n÷3
7010359.6666667
n÷3
5257769.75
n÷5
4206215.8
n2
442306283904241
n3
9.3021783989865E+21
n4
1.9563484878118E+29
n5
4.11441195987E+36
2 √n
4585.9654381602
3 √n
276.02845309829
4 √n
67.719756630988
5 √n
29.145553740039
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21031080
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10515540
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4585.9655471885
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999049026
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031079 can be divided by 2 positive divisors.
The sum of these divisors (counting 21031079) is 21031080, the average is 10515540.
Base
System
Value
2
Binary
1010000001110100010100111
3
Ternary
1110120111012212
4
Quaternary
1100032202213
5
Quinary
20340443304
6
Senary
2030434035
8
Octal
120164247
10
Decimal
21031079
12
Duodecimal
706291b
16
Hexadecimal
140e8a7
20
Vigesimal
6b8hdj
36
Base36
ciron
md5
a6761c764e39cd53ac08df1561aa777d
sha1
ffea2a37e34dbdee6c364c92a9bcb86a821d86b8
sha256
d2a2fc76e3f9cf47d880e53b934a759bcd20b326ebc3b1872858db77d58ba99e
sha512
28dc81a6b6a8ac5cfc86532e1a1122cd4f811ab0bd00962fb6989ec44b0b2f3a68f231b2d755efcee0b58e89497fa3b71d65e16caad6d924f5200cceb78c6abc
ripemd-160
f7ea3b8e0c6f0afb5ed70908e11f9265e4df9b60
Diameter
42062158
Circumference
132142166.56693
Area
1.3895461721502E+15
Volume
3.896487376085E+22
Surface area
5.5581846886007E+15
Circumference
132142166.56693
Perimeter
84124316
Area
442306283904241
Diagonal
29742437.15314
Surface area
2653837703425446
Volume
9.3021783989865E+21
Space diagonal
36426897.365995
Perimeter
63093237
Area
1.9152423905728E+14
Altitude
18213448.682997
Surface area
1.9152423905728E+14
Volume
1.0962722376217E+21
Height
9914145.7177133