21356472 is an even 8-digits composite number following 21356471
and preceding 21356473 . In scientific notation, it is written as 2.1356472 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 32 positive divisors.
There are 7099104 positive integers (up to 21356472) that are relatively prime to 21356472.
21356472 has 32 divisors, whose sum is 53539200
The reverse of 21356472 is 27465312
Previous prime number is 439
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million three hundred fifty-six thousand four hundred seventy-two
Scientific notation
2.1356472 × 10^7
Engineering notation
2.1356472 × 10^6
Prime Factorization
2 × 2 × 2 × 3 × 439 × 2027
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5339118
Product of the distinct prime numbers
The prime factorization of 21356472 is 2 × 2 × 2 × 3 × 439 × 2027.
Since it has a total of 6 prime factors.
7 , 9 , 75 , 22 , 461 , 46 , 3643 , 5083 , 22138 , 97554 , 472937 , 949922 , 955331 , 5030635 , 28503618 , 61587067 , 213050590 , 270607883 , 9733926417 , 6695495137
n×2
42712944
n×3
64069416
n×4
85425888
n×5
106782360
n÷2
10678236
n÷3
7118824
n÷3
5339118
n÷5
4271294.4
n2
456098896286784
n3
9.7406633077796E+21
n4
2.0802620319402E+29
n5
4.4427057837795E+36
2 √n
4621.3063088265
3 √n
277.44474510601
4 √n
67.980190561858
5 √n
29.235188751925
1 , 2 , 3 , 4 , 6 , 8 , 12 , 24 , 439 , 878 , 1317 , 1756 , 2027 , 2634 , 3512 , 4054 , 5268 , 6081 , 8108 , 10536 , 12162 , 16216 , 24324 , 48648 , 889853 , 1779706 , 2669559 , 3559412 , 5339118 , 7118824 , 10678236 , 21356472
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21356471
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21356472 can be divided by 32 positive divisors.
The sum of these divisors (counting 21356472) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010001011101111110111000
3
Ternary
1111012000120110
4
Quaternary
1101131332320
5
Quinary
20431401342
6
Senary
2041424320
8
Octal
121357670
10
Decimal
21356472
12
Duodecimal
719b0a0
16
Hexadecimal
145dfb8
20
Vigesimal
6d9b3c
36
Base36
cpqrc
md5
ff5aaf7a71f877df98fc653f1121bfcc
sha1
901a3f4a434d2db46e646aaf8ec25b2e40021974
sha256
b4d17c2f6baed04bd90991177853864f1a9aa16abafe85e04501dde8323be24e
sha512
83dc59d56b31a8f7b6f8ae9746291b8bbc9778f208cae59a9c8ca3694b1fc9538d6e68c436bedaf5a6ba2fdf7771ee511f4257613b7c498f07ccfbfab2904952
ripemd-160
0bd0f933c6c36844ae26c7bb3e63420a135d3254
Diameter
42712944
Circumference
134186671.08359
Area
1.432876941885E+15
Volume
4.0801595051749E+22
Surface area
5.7315077675399E+15
Circumference
134186671.08359
Perimeter
85425888
Area
456098896286784
Diagonal
30202612.346841
Surface area
2736593377720704
Volume
9.7406633077796E+21
Space diagonal
36990494.574422
Perimeter
64069416
Area
1.974966154112E+14
Altitude
18495247.287211
Surface area
1.974966154112E+14
Volume
1.1479481796977E+21
Height
10067537.448947