20145997 is an odd 8-digits prime number following 20145996
and preceding 20145998 . In scientific notation, it is written as 2.0145997 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 20145996 positive integers (up to 20145997) that are relatively prime to 20145997.
20145997 has 2 divisors, whose sum is 20145998
The reverse of 20145997 is 79954102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred forty-five thousand nine hundred ninety-seven
Scientific notation
2.0145997 × 10^7
Engineering notation
2.0145997 × 10^6
Prime Factorization
20145997
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20145997
Product of the distinct prime numbers
The prime factorization of 20145997 is 20145997.
Since it has a total of 1 prime factors.
1 , 7 , 85 , 81 , 98 , 523 , 1577 , 7841 , 25266 , 401 , 400415 , 117420 , 7542566 , 6284823 , 81583333 , 53349937 , 965724446 , 615684032 , 5045285521 , 1571446096
n×2
40291994
n×3
60437991
n×4
80583988
n×5
100729985
n÷2
10072998.5
n÷3
6715332.3333333
n÷3
5036499.25
n÷5
4029199.4
n2
405861195124009
n3
8.1764784193847E+21
n4
1.6472330970749E+29
n5
3.3185153031971E+36
2 √n
4488.4292352671
3 √n
272.10065568961
4 √n
66.995740426292
5 √n
28.896001620482
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20145998
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10072999
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4488.4293466646
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999007247
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20145997 can be divided by 2 positive divisors.
The sum of these divisors (counting 20145997) is 20145998, the average is 10072999.
Base
System
Value
2
Binary
1001100110110011101001101
3
Ternary
1101220112010001
4
Quaternary
1030312131031
5
Quinary
20124132442
6
Senary
1555444301
8
Octal
114663515
10
Decimal
20145997
12
Duodecimal
68b6691
16
Hexadecimal
133674d
20
Vigesimal
65i4jh
36
Base36
bzsr1
md5
90d299c45a5afdb7b7ca6d4aa7a6e3a5
sha1
aa8e4a7100dc425954196c0e1dac6c9eafb019d2
sha256
262c61083fb6ff912c1f578103799a55aab2c0211d53344b8d8199b987b6d2da
sha512
6d08f03f67b9b5ec6262e78962320be7aac94e4c9575cef5467a31b4a5fca6e8546389e7cf252dd3489f71c5a3da19270c6065c5ffda30b3d3cac097aea2bd71
ripemd-160
b581f6aea061fcee4d4edba6d8c872c8beb57058
Diameter
40291994
Circumference
126581032.34888
Area
1.2750505489788E+15
Volume
3.4249552712766E+22
Surface area
5.100202195915E+15
Circumference
126581032.34888
Perimeter
80583988
Area
405861195124009
Diagonal
28490742.184928
Surface area
2435167170744054
Volume
8.1764784193847E+21
Space diagonal
34893890.37313
Perimeter
60437991
Area
1.7574305269385E+14
Altitude
17446945.186565
Surface area
1.7574305269385E+14
Volume
9.6360722276206E+20
Height
9496914.0616426