20215948 is an even 8-digits composite number following 20215947
and preceding 20215949 . In scientific notation, it is written as 2.0215948 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 10043280 positive integers (up to 20215948) that are relatively prime to 20215948.
20215948 has 12 divisors, whose sum is 35604352
The reverse of 20215948 is 84951202
Previous prime number is 157
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million two hundred fifteen thousand nine hundred forty-eight
Scientific notation
2.0215948 × 10^7
Engineering notation
2.0215948 × 10^6
Prime Factorization
2 × 2 × 157 × 32191
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10107974
Product of the distinct prime numbers
The prime factorization of 20215948 is 2 × 2 × 157 × 32191.
Since it has a total of 4 prime factors.
7 , 10 , 49 , 64 , 891 , 912 , 8666 , 3215 , 28135 , 94803 , 77676 , 891756 , 3385732 , 22718 , 94688770 , 42208166 , 906429648 , 487628438 , 5149967465 , 5923098912
n×2
40431896
n×3
60647844
n×4
80863792
n×5
101079740
n÷2
10107974
n÷3
6738649.3333333
n÷3
5053987
n÷5
4043189.6
n2
408684553538704
n3
8.2619456827417E+21
n4
1.6702306430113E+29
n5
3.3765295827123E+36
2 √n
4496.2148525176
3 √n
272.41522150174
4 √n
67.053820566151
5 √n
28.916040367554
1 , 2 , 4 , 157 , 314 , 628 , 32191 , 64382 , 128764 , 5053987 , 10107974 , 20215948
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20215947
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20215948 can be divided by 12 positive divisors.
The sum of these divisors (counting 20215948) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000111100010001100
3
Ternary
1102001002001211
4
Quaternary
1031013202030
5
Quinary
20133402243
6
Senary
2001144204
8
Octal
115074214
10
Decimal
20215948
12
Duodecimal
692b064
16
Hexadecimal
134788c
20
Vigesimal
666jh8
36
Base36
c1aq4
md5
cff6edb58f82c783d72c40c4175a6d24
sha1
bc9e940bf1f56be0cd140dfc2bd1cf9a9b3bcc35
sha256
c7259cb57526b0ac29a91bfe7336f9ff7eaecf37940c0e7e7fc5dc83e32b3b2b
sha512
7b535ecd3141088cda33164d6a8ad09ddb2d54b8098266ac4873a2720c13642d585c79d13460e2b7264d779d14ec3e464d499c5e75754b4585a4bd2724023a9c
ripemd-160
7e728eaaf8d2b608f9077a48819fd397b4fab172
Diameter
40431896
Circumference
127020547.44431
Area
1.2839203910328E+15
Volume
3.4607557148345E+22
Surface area
5.1356815641313E+15
Circumference
127020547.44431
Perimeter
80863792
Area
408684553538704
Diagonal
28589667.837829
Surface area
2452107321232224
Volume
8.2619456827417E+21
Space diagonal
35015049.05917
Perimeter
60647844
Area
1.7696560274941E+14
Altitude
17507524.529585
Surface area
1.7696560274941E+14
Volume
9.7367963634359E+20
Height
9529889.2792764