21031375 is an odd 8-digits composite number following 21031374
and preceding 21031376 . In scientific notation, it is written as 2.1031375 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 16740000 positive integers (up to 21031375) that are relatively prime to 21031375.
21031375 has 16 divisors, whose sum is 26380224
The reverse of 21031375 is 57313012
Previous prime number is 311
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty-one million thirty-one thousand three hundred seventy-five
Scientific notation
2.1031375 × 10^7
Engineering notation
2.1031375 × 10^6
Prime Factorization
5 × 25 × 311 × 541
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21031375
Product of the distinct prime numbers
The prime factorization of 21031375 is 5 × 25 × 311 × 541.
Since it has a total of 4 prime factors.
3 , 10 , 56 , 62 , 593 , 458 , 5993 , 8736 , 16336 , 95462 , 945028 , 871507 , 2851988 , 1337778 , 36246620 , 54828434 , 312105081 , 177883661 , 6472940088 , 8329091302
n×2
42062750
n×3
63094125
n×4
84125500
n×5
105156875
n÷2
10515687.5
n÷3
7010458.3333333
n÷3
5257843.75
n÷5
4206275
n2
442318734390625
n3
9.3025711724946E+21
n4
1.9564586279292E+29
n5
4.1147015075965E+36
2 √n
4585.9977104225
3 √n
276.0297480713
4 √n
67.719994908612
5 √n
29.145635780863
1 , 5 , 25 , 125 , 311 , 541 , 1555 , 2705 , 7775 , 13525 , 38875 , 67625 , 168251 , 841255 , 4206275 , 21031375
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
-21031374
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 21031375 can be divided by 16 positive divisors.
The sum of these divisors (counting 21031375) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110100111001111
3
Ternary
1110120111121211
4
Quaternary
1100032213033
5
Quinary
20341001000
6
Senary
2030435251
8
Octal
120164717
10
Decimal
21031375
12
Duodecimal
7062b27
16
Hexadecimal
140e9cf
20
Vigesimal
6b8i8f
36
Base36
cirwv
md5
3d6dc650d81ce3e8efd9d4c5125c050b
sha1
4af626a5a5c9d2aea0c4b00787a126381009bec4
sha256
e14fe72319396019ab0dce9c495f1d18d7ff22474f8c67303b0bc55b018c235a
sha512
9f147811349ad56eedccb14824042c9a735095cfc6fb17c2d9b64f10acc1d5b1b3c3c85385e17c6e9405cfa2fef45ff9ba067fecb55127a05255c388f09ecdba
ripemd-160
f91729ba5c8e8dbbec3328f49d4810afd6b07b95
Diameter
42062750
Circumference
132144026.38978
Area
1.3895852865067E+15
Volume
3.8966519006674E+22
Surface area
5.5583411460269E+15
Circumference
132144026.38978
Perimeter
84125500
Area
442318734390625
Diagonal
29742855.760354
Surface area
2653912406343750
Volume
9.3025711724946E+21
Space diagonal
36427410.053034
Perimeter
63094125
Area
1.9152963027603E+14
Altitude
18213705.026517
Surface area
1.9152963027603E+14
Volume
1.0963185264236E+21
Height
9914285.2534515