21931477 is an odd 8-digits composite number following 21931476
and preceding 21931478 . In scientific notation, it is written as 2.1931477 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 21223980 positive integers (up to 21931477) that are relatively prime to 21931477.
21931477 has 4 divisors, whose sum is 22638976
The reverse of 21931477 is 77413912
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million nine hundred thirty-one thousand four hundred seventy-seven
Scientific notation
2.1931477 × 10^7
Engineering notation
2.1931477 × 10^6
Prime Factorization
31 × 707467
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21931477
Product of the distinct prime numbers
The prime factorization of 21931477 is 31 × 707467.
Since it has a total of 2 prime factors.
9 , 8 , 99 , 67 , 458 , 993 , 3910 , 6953 , 97951 , 60993 , 92177 , 513845 , 6168709 , 2114561 , 7034143 , 52554906 , 379371392 , 169616593 , 7737036844 , 4537735165
n×2
43862954
n×3
65794431
n×4
87725908
n×5
109657385
n÷2
10965738.5
n÷3
7310492.3333333
n÷3
5482869.25
n÷5
4386295.4
n2
480989683401529
n3
1.0548814178758E+22
n4
2.313510755387E+29
n5
5.0738707921023E+36
2 √n
4683.105486747
3 √n
279.91271514031
4 √n
68.433219175683
5 √n
29.390946764919
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
-21931476
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 21931477 can be divided by 4 positive divisors.
The sum of these divisors (counting 21931477) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011101010010111010101
3
Ternary
1112021020022221
4
Quaternary
1103222113111
5
Quinary
21103301402
6
Senary
2102022341
8
Octal
123522725
10
Decimal
21931477
12
Duodecimal
74179b1
16
Hexadecimal
14ea5d5
20
Vigesimal
6h18dh
36
Base36
d22fp
md5
dac91175bb10c77860cd0564b1b20a2b
sha1
be37cf177109d81bca4d815924a3b670504045f5
sha256
83b44386cdc4da5f69eb2a8cfc6f02f06ec41b5c97b9c3190275611998c2ef70
sha512
456a92457ab55c6662059e6a81bf7c6640b78befb01f26ecfda22956430344898962da8c4a9a7ec156ecd64cc801b58044ec82ea86a1c3f7be08dc949ec22bf1
ripemd-160
70fb9c3c350e7dbc6a5f4ade82f35e3dd64b954b
Diameter
43862954
Circumference
137799534.05115
Area
1.5110736558267E+15
Volume
4.4186769504093E+22
Surface area
6.0442946233069E+15
Circumference
137799534.05115
Perimeter
87725908
Area
480989683401529
Diagonal
31015792.216274
Surface area
2885938100409174
Volume
1.0548814178758E+22
Space diagonal
37986432.449028
Perimeter
65794431
Area
2.0827464239198E+14
Altitude
18993216.224514
Surface area
2.0827464239198E+14
Volume
1.2431896732128E+21
Height
10338597.405425