20147990 is an even 8-digits composite number following 20147989
and preceding 20147991 . In scientific notation, it is written as 2.0147990 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 8059192 positive integers (up to 20147990) that are relatively prime to 20147990.
20147990 has 8 divisors, whose sum is 36266400
The reverse of 20147990 is 09974102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million one hundred forty-seven thousand nine hundred ninety
Scientific notation
2.0147990 × 10^7
Engineering notation
2.0147990 × 10^6
Prime Factorization
2 × 5 × 2014799
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20147990
Product of the distinct prime numbers
The prime factorization of 20147990 is 2 × 5 × 2014799.
Since it has a total of 3 prime factors.
9 , 8 , 57 , 34 , 765 , 582 , 2772 , 2001 , 52690 , 88451 , 917967 , 271326 , 1925429 , 7314148 , 55605196 , 65789353 , 634334139 , 991212080 , 4579038781 , 8620894630
n×2
40295980
n×3
60443970
n×4
80591960
n×5
100739950
n÷2
10073995
n÷3
6715996.6666667
n÷3
5036997.5
n÷5
4029598
n2
405941501040100
n3
8.1789053035409E+21
n4
1.6478850226669E+29
n5
3.3201570957842E+36
2 √n
4488.6512450847
3 √n
272.1096281706
4 √n
66.997397300825
5 √n
28.896573321673
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20147989
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20147990 can be divided by 8 positive divisors.
The sum of these divisors (counting 20147990) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110110111100010110
3
Ternary
1101220121211212
4
Quaternary
1030312330112
5
Quinary
20124213430
6
Senary
1555501422
8
Octal
114667426
10
Decimal
20147990
12
Duodecimal
68b7872
16
Hexadecimal
1336f16
20
Vigesimal
65i9ja
36
Base36
bzuae
md5
134f0217d07f3e92730d2c149372a37a
sha1
e8058e2277614745fee33f88c140eeb14f71f865
sha256
9b230dbca8144cba9abef3e7b2dc506cc84b48a7115ddbfaa3ad708b33b87a55
sha512
580b2a7bf38ad171c41f2cea8dfacff230c7248dcb37b016cfc50e5342cd711b503242a906365c6e2bb81152b90818167ce564ce0dd424794dabef9d8b23f0b7
ripemd-160
05fc0d21354db13c98af955375e58202dc9e43d6
Diameter
40295980
Circumference
126593554.7372
Area
1.2753028374548E+15
Volume
3.4259718421348E+22
Surface area
5.1012113498192E+15
Circumference
126593554.7372
Perimeter
80591960
Area
405941501040100
Diagonal
28493560.712557
Surface area
2435649006240600
Volume
8.1789053035409E+21
Space diagonal
34897342.35039
Perimeter
60443970
Area
1.7577782617556E+14
Altitude
17448671.175195
Surface area
1.7577782617556E+14
Volume
9.6389323380273E+20
Height
9497853.5708525