20240645 is an odd 8-digits composite number following 20240644
and preceding 20240646 . In scientific notation, it is written as 2.0240645 × 10^7.
The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors.
There are 16192512 positive integers (up to 20240645) that are relatively prime to 20240645.
20240645 has 4 divisors, whose sum is 24288780
The reverse of 20240645 is 54604202
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 23
Digital Root 5
Name
twenty million two hundred forty thousand six hundred forty-five
Scientific notation
2.0240645 × 10^7
Engineering notation
2.0240645 × 10^6
Prime Factorization
5 × 4048129
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20240645
Product of the distinct prime numbers
The prime factorization of 20240645 is 5 × 4048129.
Since it has a total of 2 prime factors.
9 , 2 , 20 , 55 , 996 , 423 , 6840 , 5353 , 57328 , 60574 , 291375 , 252717 , 8344445 , 1205938 , 74963770 , 38831182 , 728344218 , 159978148 , 7684173466 , 5105052460
n×2
40481290
n×3
60721935
n×4
80962580
n×5
101203225
n÷2
10120322.5
n÷3
6746881.6666667
n÷3
5060161.25
n÷5
4048129
n2
409683710016025
n3
8.2922625367173E+21
n4
1.6784074225249E+29
n5
3.3972048804692E+36
2 √n
4498.9604354784
3 √n
272.52610921729
4 √n
67.074290420983
5 √n
28.923102027294
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
-20240644
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 20240645 can be divided by 4 positive divisors.
The sum of these divisors (counting 20240645) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101001101100100000101
3
Ternary
1102002022221112
4
Quaternary
1031031210011
5
Quinary
20140200040
6
Senary
2001454405
8
Octal
115154405
10
Decimal
20240645
12
Duodecimal
6941405
16
Hexadecimal
134d905
20
Vigesimal
66a1c5
36
Base36
c1ts5
md5
f190353039ccd183db83ad8616aad3ff
sha1
940368c2c9039266820d36fc3a26ad24813d2e89
sha256
78925f883e4e881cbccae91f71c33bc179997014ff0062c79b25b0f09b3d0641
sha512
98a7c94ab7e994a058b78b7cfae488ee9560ce8c424d400c25e49a912fab6529e79d69500ef65313fad203899156c0df8a8678aea381059873235cbd47ec0ce9
ripemd-160
62e660c4a514413076442331fb624b9ece31f0f9
Diameter
40481290
Circumference
127175723.27184
Area
1.2870593336818E+15
Volume
3.4734548089319E+22
Surface area
5.148237334727E+15
Circumference
127175723.27184
Perimeter
80962580
Area
409683710016025
Diagonal
28624594.670179
Surface area
2458102260096150
Volume
8.2922625367173E+21
Space diagonal
35057825.517965
Perimeter
60721935
Area
1.7739825019527E+14
Altitude
17528912.758982
Surface area
1.7739825019527E+14
Volume
9.7725251184866E+20
Height
9541531.5567264