20851460 is an even 8-digits composite number following 20851459
and preceding 20851461 . In scientific notation, it is written as 2.0851460 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors.
There are 7148736 positive integers (up to 20851460) that are relatively prime to 20851460.
20851460 has 12 divisors, whose sum is 36640716
The reverse of 20851460 is 06415802
Previous prime number is 245
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million eight hundred fifty-one thousand four hundred sixty
Scientific notation
2.0851460 × 10^7
Engineering notation
2.0851460 × 10^6
Prime Factorization
2 × 2 × 245 × 21277
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10425730
Product of the distinct prime numbers
The prime factorization of 20851460 is 2 × 2 × 245 × 21277.
Since it has a total of 4 prime factors.
7 , 1 , 17 , 26 , 834 , 622 , 7699 , 3600 , 40948 , 32821 , 799170 , 774044 , 420409 , 5029095 , 27932006 , 72343735 , 571754496 , 355315583 , 2902610156 , 6429224951
n×2
41702920
n×3
62554380
n×4
83405840
n×5
104257300
n÷2
10425730
n÷3
6950486.6666667
n÷3
5212865
n÷5
4170292
n2
434783384131600
n3
9.0658683428847E+21
n4
1.8903659111693E+29
n5
3.9416889182109E+36
2 √n
4566.3398909849
3 √n
275.24038485327
4 √n
67.57469860077
5 √n
29.095598415793
1 , 2 , 4 , 245 , 490 , 980 , 21277 , 42554 , 85108 , 5212865 , 10425730 , 20851460
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20851459
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20851460 can be divided by 12 positive divisors.
The sum of these divisors (counting 20851460) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001111100010101100000100
3
Ternary
1110020100211022
4
Quaternary
1033202230010
5
Quinary
20314221320
6
Senary
2022530312
8
Octal
117425404
10
Decimal
20851460
12
Duodecimal
6b96998
16
Hexadecimal
13e2b04
20
Vigesimal
6a68d0
36
Base36
cex38
md5
88b82a869f1e1e1c7510aada7d5c4877
sha1
d76e4ad0d1c311a47f7c63efc4734099c01c272d
sha256
ebc94c587441b22a177bfedbacd23e9163c72bf05cdf1941652a6257fceac8a7
sha512
da17b58c9084dbf199c9c5229ff7212d45685a886a9bceed66d8f496b086038e8e7f530de8977385072967fad9a8c1c978d467a365268eec7ad9710ecaebf770
ripemd-160
d0e4b8441bad821d6368a61e74b361aef70d5db7
Diameter
41702920
Circumference
131013587.10524
Area
1.3659122854907E+15
Volume
3.7975020512558E+22
Surface area
5.463649141963E+15
Circumference
131013587.10524
Perimeter
83405840
Area
434783384131600
Diagonal
29488417.52728
Surface area
2608700304789600
Volume
9.0658683428847E+21
Space diagonal
36115788.13199
Perimeter
62554380
Area
1.8826672790067E+14
Altitude
18057894.065995
Surface area
1.8826672790067E+14
Volume
1.068422830433E+21
Height
9829472.5090934