20398908 is an even 8-digits composite number following 20398907
and preceding 20398909 . In scientific notation, it is written as 2.0398908 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 6735664 positive integers (up to 20398908) that are relatively prime to 20398908.
20398908 has 24 divisors, whose sum is 48045312
The reverse of 20398908 is 80989302
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million three hundred ninety-eight thousand nine hundred eight
Scientific notation
2.0398908 × 10^7
Engineering notation
2.0398908 × 10^6
Prime Factorization
2 × 2 × 3 × 107 × 15887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10199454
Product of the distinct prime numbers
The prime factorization of 20398908 is 2 × 2 × 3 × 107 × 15887.
Since it has a total of 5 prime factors.
8 , 8 , 75 , 66 , 516 , 693 , 614 , 6872 , 78598 , 90617 , 115523 , 340824 , 2743437 , 4947233 , 18759390 , 57481628 , 39495332 , 258341967 , 9774121460 , 2667853171
n×2
40797816
n×3
61196724
n×4
81595632
n×5
101994540
n÷2
10199454
n÷3
6799636
n÷3
5099727
n÷5
4079781.6
n2
416115447592464
n3
8.4883007328175E+21
n4
1.7315206572508E+29
n5
3.5321130587358E+36
2 √n
4516.5150282048
3 √n
273.23456607359
4 √n
67.205022343608
5 √n
28.968191569802
1 , 2 , 3 , 4 , 6 , 12 , 107 , 214 , 321 , 428 , 642 , 1284 , 15887 , 31774 , 47661 , 63548 , 95322 , 190644 , 1699909 , 3399818 , 5099727 , 6799636 , 10199454 , 20398908
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20398907
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20398908 can be divided by 24 positive divisors.
The sum of these divisors (counting 20398908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101110100001100111100
3
Ternary
1102101101001010
4
Quaternary
1031310030330
5
Quinary
20210231113
6
Senary
2005115220
8
Octal
115641474
10
Decimal
20398908
12
Duodecimal
69b8b10
16
Hexadecimal
137433c
20
Vigesimal
679h58
36
Base36
c57wc
md5
1caa4d7c87d79bbf7d2886f2dedc8900
sha1
994c0904b2487bbc40a182dc63cc76b9be3b25c8
sha256
ab522d789414d5b0ae52dcf07bf0c9c36d65b898e4c4baa996f77ca144b521ed
sha512
29c3d370ed6f6db16d6efe44f61d86601ea1696b257a373a5d79590b7a59dc4d039c7136c66ec194fc894b4932178f1b00df7c2cf32064871dba30a71b5b511d
ripemd-160
d9f2c1a19463b0d7ec69cddf933bd2745fe04f10
Diameter
40797816
Circumference
128170119.02811
Area
1.3072652332017E+15
Volume
3.5555710964907E+22
Surface area
5.2290609328069E+15
Circumference
128170119.02811
Perimeter
81595632
Area
416115447592464
Diagonal
28848412.351201
Surface area
2496692685554784
Volume
8.4883007328175E+21
Space diagonal
35331945.074923
Perimeter
61196724
Area
1.801832742611E+14
Altitude
17665972.537462
Surface area
1.801832742611E+14
Volume
1.000355834821E+21
Height
9616137.4504003