19957428 is an even 8-digits composite number following 19957427
and preceding 19957429 . In scientific notation, it is written as 1.9957428 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 6434640 positive integers (up to 19957428) that are relatively prime to 19957428.
19957428 has 24 divisors, whose sum is 36515584
The reverse of 19957428 is 82475991
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred fifty-seven thousand four hundred twenty-eight
Scientific notation
1.9957428 × 10^7
Engineering notation
1.9957428 × 10^6
Prime Factorization
2 × 2 × 81 × 31 × 1987
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
9978714
Product of the distinct prime numbers
The prime factorization of 19957428 is 2 × 2 × 81 × 31 × 1987.
Since it has a total of 5 prime factors.
10 , 4 , 91 , 47 , 470 , 426 , 6669 , 5610 , 35062 , 99591 , 666765 , 879737 , 6838825 , 5091071 , 55388451 , 53279638 , 28357788 , 489101136 , 4928526543 , 2983870078
n×2
39914856
n×3
59872284
n×4
79829712
n×5
99787140
n÷2
9978714
n÷3
6652476
n÷3
4989357
n÷5
3991485.6
n2
398298932375184
n3
7.9490222653546E+21
n4
1.5864203953121E+29
n5
3.1660870817173E+36
2 √n
4467.373725132
3 √n
271.24902786573
4 √n
66.838415040544
5 √n
28.841703921834
1 , 2 , 4 , 31 , 62 , 81 , 124 , 162 , 324 , 1987 , 2511 , 3974 , 5022 , 7948 , 10044 , 61597 , 123194 , 160947 , 246388 , 321894 , 643788 , 4989357 , 9978714 , 19957428
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
-19957427
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 19957428 can be divided by 24 positive divisors.
The sum of these divisors (counting 19957428) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100001000011010110100
3
Ternary
1101112221110000
4
Quaternary
1030020122310
5
Quinary
20102114203
6
Senary
1551431300
8
Octal
114103264
10
Decimal
19957428
12
Duodecimal
6825530
16
Hexadecimal
13086b4
20
Vigesimal
64edb8
36
Base36
bvr90
md5
282db3dcfceae500aab42c7ff3732332
sha1
e02c01699b57029eacb94adc7f0c53f83a61de86
sha256
e6f21a073232287651e6a9919e06763a3a1868660bc9ad5f86237a636302eaa2
sha512
d57e1af67333965a36ea1d88593c0fd40cf7d1ae06c2c9459fcd95b2304addeb57ea0238e10f5f428094a0468303523bf33233cc3486c0d0c205ab0991555393
ripemd-160
4b99a13c55d1e66f1c102201920f8eece92cf8c4
Diameter
39914856
Circumference
125396218.37869
Area
1.2512929998825E+15
Volume
3.3296786602746E+22
Surface area
5.0051719995301E+15
Circumference
125396218.37869
Perimeter
79829712
Area
398298932375184
Diagonal
28224065.347685
Surface area
2389793594251104
Volume
7.9490222653546E+21
Space diagonal
34567279.284398
Perimeter
59872284
Area
1.7246849686856E+14
Altitude
17283639.642199
Surface area
1.7246849686856E+14
Volume
9.3680125793918E+20
Height
9408021.7825615