21156475 is an odd 8-digits composite number following 21156474
and preceding 21156476 . In scientific notation, it is written as 2.1156475 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 16925160 positive integers (up to 21156475) that are relatively prime to 21156475.
21156475 has 4 divisors, whose sum is 22002760
The reverse of 21156475 is 57465112
Previous prime number is 25
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million one hundred fifty-six thousand four hundred seventy-five
Scientific notation
2.1156475 × 10^7
Engineering notation
2.1156475 × 10^6
Prime Factorization
25 × 846259
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21156475
Product of the distinct prime numbers
The prime factorization of 21156475 is 25 × 846259.
Since it has a total of 2 prime factors.
8 , 4 , 37 , 41 , 143 , 609 , 4639 , 4633 , 15226 , 82672 , 351292 , 266700 , 4373948 , 2811640 , 87885021 , 83555815 , 82834349 , 742593290 , 7889013468 , 8566606641
n×2
42312950
n×3
63469425
n×4
84625900
n×5
105782375
n÷2
10578237.5
n÷3
7052158.3333333
n÷3
5289118.75
n÷5
4231295
n2
447596434425625
n3
9.4695627750149E+21
n4
2.0034256811053E+29
n5
4.2385425336663E+36
2 √n
4599.6168318676
3 √n
276.57596500988
4 √n
67.820475019478
5 √n
29.180226716071
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21156474
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21156475 can be divided by 4 positive divisors.
The sum of these divisors (counting 21156475) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000101101001001111011
3
Ternary
1110210212020011
4
Quaternary
1100231021323
5
Quinary
20404001400
6
Senary
2033242351
8
Octal
120551173
10
Decimal
21156475
12
Duodecimal
71033b7
16
Hexadecimal
142d27b
20
Vigesimal
6c4b3f
36
Base36
clgfv
md5
24c1a245f7e8d4b897408f0e289c5024
sha1
ae066dd766e2cdf6c990023bc51b61cc5414c899
sha256
66224964287e88e8f6090ff04c64ad456341870ff3aaa598b5f1a8acbdf42d2d
sha512
8ea38e0a78803e6d7393608ee872dd7ab6ac03d2ef61bf7eb368f2622528642c61554b51edb412a5e31d41384cb7d021ad349976f5acd7628cca95446ed5e648
ripemd-160
6b7984d01c3e1f41f2fb94aa184e8228047f85e3
Diameter
42312950
Circumference
132930052.87171
Area
1.4061656701645E+15
Volume
3.9666011795592E+22
Surface area
5.6246626806581E+15
Circumference
132930052.87171
Perimeter
84625900
Area
447596434425625
Diagonal
29919773.877007
Surface area
2685578606553750
Volume
9.4695627750149E+21
Space diagonal
36644089.609061
Perimeter
63469425
Area
1.9381494142796E+14
Altitude
18322044.80453
Surface area
1.9381494142796E+14
Volume
1.1159986755141E+21
Height
9973257.9590024