20215947 is an odd 8-digits composite number following 20215946
and preceding 20215948 . In scientific notation, it is written as 2.0215947 × 10^7.
The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors.
There are 13477296 positive integers (up to 20215947) that are relatively prime to 20215947.
20215947 has 4 divisors, whose sum is 26954600
The reverse of 20215947 is 74951202
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million two hundred fifteen thousand nine hundred forty-seven
Scientific notation
2.0215947 × 10^7
Engineering notation
2.0215947 × 10^6
Prime Factorization
3 × 6738649
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20215947
Product of the distinct prime numbers
The prime factorization of 20215947 is 3 × 6738649.
Since it has a total of 2 prime factors.
3 , 1 , 11 , 97 , 520 , 820 , 2169 , 7577 , 36612 , 86152 , 404188 , 121138 , 1603774 , 3736422 , 49848399 , 82657794 , 474258230 , 637460598 , 8173021320 , 8978474747
n×2
40431894
n×3
60647841
n×4
80863788
n×5
101079735
n÷2
10107973.5
n÷3
6738649
n÷3
5053986.75
n÷5
4043189.4
n2
408684513106809
n3
8.2619444566881E+21
n4
1.6702303125335E+29
n5
3.3765287475971E+36
2 √n
4496.214741313
3 √n
272.41521700998
4 √n
67.053819736932
5 √n
28.916040081482
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
-20215946
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 20215947 can be divided by 4 positive divisors.
The sum of these divisors (counting 20215947) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000111100010001011
3
Ternary
1102001002001210
4
Quaternary
1031013202023
5
Quinary
20133402242
6
Senary
2001144203
8
Octal
115074213
10
Decimal
20215947
12
Duodecimal
692b063
16
Hexadecimal
134788b
20
Vigesimal
666jh7
36
Base36
c1aq3
md5
b857105c773d7cd33c9d1f754d5f8183
sha1
d67bcaa134f850a57a871289c4977a2da7c30599
sha256
722a7fae812a2a26f8ba04d1edb0999565f2a0efc0a4547e6973b5c0abb96fb6
sha512
e4e82e53cbcffc7167d56b177825e22c27731becb8230308fc8570bab1108533994a5663965f33e0fa4f631f9b2599791089b7b776c902f6ab40b3f5556f6b93
ripemd-160
7899573fdd7f217d3846a74d5667136584c5accc
Diameter
40431894
Circumference
127020541.16112
Area
1.2839202640123E+15
Volume
3.4607552012664E+22
Surface area
5.1356810560491E+15
Circumference
127020541.16112
Perimeter
80863788
Area
408684513106809
Diagonal
28589666.423616
Surface area
2452107078640854
Volume
8.2619444566881E+21
Space diagonal
35015047.32712
Perimeter
60647841
Area
1.7696558524189E+14
Altitude
17507523.66356
Surface area
1.7696558524189E+14
Volume
9.7367949185179E+20
Height
9529888.8078719