21031315 is an odd 8-digits composite number following 21031314
and preceding 21031316 . In scientific notation, it is written as 2.1031315 × 10^7.
The sum of its digits is 16. It has a total of 4 prime factors and 16 positive divisors.
There are 15995232 positive integers (up to 21031315) that are relatively prime to 21031315.
21031315 has 16 divisors, whose sum is 26496000
The reverse of 21031315 is 51313012
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7
Name
twenty-one million thirty-one thousand three hundred fifteen
Scientific notation
2.1031315 × 10^7
Engineering notation
2.1031315 × 10^6
Prime Factorization
5 × 199 × 23 × 919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21031315
Product of the distinct prime numbers
The prime factorization of 21031315 is 5 × 199 × 23 × 919.
Since it has a total of 4 prime factors.
3 , 3 , 9 , 3 , 256 , 94 , 8160 , 7367 , 63394 , 37772 , 791112 , 310410 , 4719163 , 9413638 , 69167385 , 87002573 , 264895248 , 408133520 , 8190149810 , 6829580225
n×2
42062630
n×3
63093945
n×4
84125260
n×5
105156575
n÷2
10515657.5
n÷3
7010438.3333333
n÷3
5257828.75
n÷5
4206263
n2
442316210629225
n3
9.3024915553496E+21
n4
1.956436301854E+29
n5
4.1146428141726E+36
2 √n
4585.991168766
3 √n
276.02948557775
4 √n
67.719946609297
5 √n
29.145619151041
1 , 5 , 23 , 115 , 199 , 919 , 995 , 4577 , 4595 , 21137 , 22885 , 105685 , 182881 , 914405 , 4206263 , 21031315
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
-21031314
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 21031315 can be divided by 16 positive divisors.
The sum of these divisors (counting 21031315) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110100110010011
3
Ternary
1110120111112121
4
Quaternary
1100032212103
5
Quinary
20341000230
6
Senary
2030435111
8
Octal
120164623
10
Decimal
21031315
12
Duodecimal
7062a97
16
Hexadecimal
140e993
20
Vigesimal
6b8i5f
36
Base36
cirv7
md5
16b8a425cf7e4088525b1be1bec7918c
sha1
076f195e2335efd15d3b2b8338814fd4fe22c067
sha256
8c70a8fd51667006e4ad3e958aea1f4170194db29c01b4c3e6e62957004fd44d
sha512
b5389281224f4a75f137a04a232df30512c199e8dd3dd37e5b0d54a9db991f1cf59d209aa940c1b0e2b28db413041f2ec0385f1ef30551206dc1fbab30c432dd
ripemd-160
a4b5d099b9cb7b7cf539dc251f82894d1a4dc6c6
Diameter
42062630
Circumference
132143649.39867
Area
1.3895773578764E+15
Volume
3.8966185507156E+22
Surface area
5.5583094315058E+15
Circumference
132143649.39867
Perimeter
84125260
Area
442316210629225
Diagonal
29742770.907541
Surface area
2653897263775350
Volume
9.3024915553496E+21
Space diagonal
36427306.129985
Perimeter
63093945
Area
1.9152853745529E+14
Altitude
18213653.064993
Surface area
1.9152853745529E+14
Volume
1.096309143453E+21
Height
9914256.9691802