20851432 is an even 8-digits composite number following 20851431
and preceding 20851433 . In scientific notation, it is written as 2.0851432 × 10^7.
The sum of its digits is 25. It has a total of 5 prime factors and 16 positive divisors.
There are 8547264 positive integers (up to 20851432) that are relatively prime to 20851432.
20851432 has 16 divisors, whose sum is 39341700
The reverse of 20851432 is 23415802
Previous prime number is 161
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million eight hundred fifty-one thousand four hundred thirty-two
Scientific notation
2.0851432 × 10^7
Engineering notation
2.0851432 × 10^6
Prime Factorization
2 × 2 × 2 × 161 × 16189
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5212858
Product of the distinct prime numbers
The prime factorization of 20851432 is 2 × 2 × 2 × 161 × 16189.
Since it has a total of 5 prime factors.
7 , 4 , 10 , 66 , 320 , 699 , 5199 , 2701 , 96468 , 6468 , 215304 , 190291 , 3017586 , 9458847 , 98273975 , 92077815 , 827883581 , 663961292 , 1187299896 , 7915126626
n×2
41702864
n×3
62554296
n×4
83405728
n×5
104257160
n÷2
10425716
n÷3
6950477.3333333
n÷3
5212858
n÷5
4170286.4
n2
434782216450624
n3
9.0658318211295E+21
n4
1.8903557574172E+29
n5
3.9416624531593E+36
2 √n
4566.3368250711
3 √n
275.24026165272
4 √n
67.574675915398
5 √n
29.09559060169
1 , 2 , 4 , 8 , 161 , 322 , 644 , 1288 , 16189 , 32378 , 64756 , 129512 , 2606429 , 5212858 , 10425716 , 20851432
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
-20851431
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 20851432 can be divided by 16 positive divisors.
The sum of these divisors (counting 20851432) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111100010101011101000
3
Ternary
1110020100210021
4
Quaternary
1033202223220
5
Quinary
20314221212
6
Senary
2022530224
8
Octal
117425350
10
Decimal
20851432
12
Duodecimal
6b96974
16
Hexadecimal
13e2ae8
20
Vigesimal
6a68bc
36
Base36
cex2g
md5
15d8178e5836d0e17d55e104dc06fb85
sha1
e2939808d546308c0a2b9491528a364f45a92566
sha256
01472c5151f7df95be8bb2d4d573ae9d75952092258502d9329463079740e4d4
sha512
20cc4c3e05bc1f477f66f47aae2daa74237f535c04f703c6c774b5e6cf3daaecc9cf1fe6d017afaca7cc341045323aafbab23355b1bb7e4d4954c92a4cfcb6f5
ripemd-160
7f779d6fa282550ac34dbf67bd5b69a0ee1f0347
Diameter
41702864
Circumference
131013411.17605
Area
1.3659086171128E+15
Volume
3.7974867530588E+22
Surface area
5.4636344684511E+15
Circumference
131013411.17605
Perimeter
83405728
Area
434782216450624
Diagonal
29488377.9293
Surface area
2608693298703744
Volume
9.0658318211295E+21
Space diagonal
36115739.634568
Perimeter
62554296
Area
1.8826622227997E+14
Altitude
18057869.817284
Surface area
1.8826622227997E+14
Volume
1.0684185263029E+21
Height
9829459.3097668