20238945 is an odd 8-digits composite number following 20238944
and preceding 20238946 . In scientific notation, it is written as 2.0238945 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 10736640 positive integers (up to 20238945) that are relatively prime to 20238945.
20238945 has 16 divisors, whose sum is 32554752
The reverse of 20238945 is 54983202
Previous prime number is 193
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million two hundred thirty-eight thousand nine hundred forty-five
Scientific notation
2.0238945 × 10^7
Engineering notation
2.0238945 × 10^6
Prime Factorization
3 × 5 × 193 × 6991
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20238945
Product of the distinct prime numbers
The prime factorization of 20238945 is 3 × 5 × 193 × 6991.
Since it has a total of 4 prime factors.
8 , 1 , 68 , 2 , 881 , 800 , 9566 , 9756 , 84526 , 67019 , 220217 , 670840 , 2197052 , 7740354 , 49040718 , 14764551 , 73625248 , 899745937 , 6152882742 , 1093406000
n×2
40477890
n×3
60716835
n×4
80955780
n×5
101194725
n÷2
10119472.5
n÷3
6746315
n÷3
5059736.25
n÷5
4047789
n2
409614894713025
n3
8.2901733252777E+21
n4
1.6778436197076E+29
n5
3.3957784737864E+36
2 √n
4498.7714989761
3 √n
272.51847923388
4 √n
67.072881993963
5 √n
28.922616164068
1 , 3 , 5 , 15 , 193 , 579 , 965 , 2895 , 6991 , 20973 , 34955 , 104865 , 1349263 , 4047789 , 6746315 , 20238945
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20238944
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20238945 can be divided by 16 positive divisors.
The sum of these divisors (counting 20238945) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001101001001100001
3
Ternary
1102002020121120
4
Quaternary
1031031021201
5
Quinary
20140121240
6
Senary
2001442453
8
Octal
115151141
10
Decimal
20238945
12
Duodecimal
6940429
16
Hexadecimal
134d261
20
Vigesimal
669h75
36
Base36
c1sgx
md5
32a4d741608ebd62b7e019544c772c29
sha1
0aa823b69f66a33510b59ed5eb64d8bc5e5bd49e
sha256
f9e610c6ea2dd4dd206e0fe7fb96d1f14cd467f4413dd5ef3261268777bec013
sha512
a75cb2ce3f6db3afde606ff4a6c25a4cce1e7c939f9425902fc640cf770675847a41700a76f4be5861070de6ced7d7cbc06375cb138b790a54e173f348aaf917
ripemd-160
9139223516015df13546d201d9cf00fefecd0a9c
Diameter
40477890
Circumference
127165041.85682
Area
1.2868431440314E+15
Volume
3.4725796820905E+22
Surface area
5.1473725761256E+15
Circumference
127165041.85682
Perimeter
80955780
Area
409614894713025
Diagonal
28622190.507123
Surface area
2457689368278150
Volume
8.2901733252777E+21
Space diagonal
35054881.031592
Perimeter
60716835
Area
1.7736845229498E+14
Altitude
17527440.515796
Surface area
1.7736845229498E+14
Volume
9.7700629591928E+20
Height
9540730.169041