21085960 is an even 8-digits composite number following 21085959
and preceding 21085961 . In scientific notation, it is written as 2.1085960 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 7229376 positive integers (up to 21085960) that are relatively prime to 21085960.
21085960 has 16 divisors, whose sum is 40666320
The reverse of 21085960 is 06958012
Previous prime number is 35
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million eighty-five thousand nine hundred sixty
Scientific notation
2.1085960 × 10^7
Engineering notation
2.1085960 × 10^6
Prime Factorization
2 × 2 × 2 × 35 × 75307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5271490
Product of the distinct prime numbers
The prime factorization of 21085960 is 2 × 2 × 2 × 35 × 75307.
Since it has a total of 5 prime factors.
7 , 9 , 81 , 12 , 498 , 661 , 6742 , 2612 , 97760 , 62933 , 539009 , 732901 , 6669548 , 409395 , 29878446 , 62984927 , 334115753 , 577875356 , 4792852326 , 7732557932
n×2
42171920
n×3
63257880
n×4
84343840
n×5
105429800
n÷2
10542980
n÷3
7028653.3333333
n÷3
5271490
n÷5
4217192
n2
444617709121600
n3
9.3751912298297E+21
n4
1.9768490726454E+29
n5
4.1683760471838E+36
2 √n
4591.9451216233
3 √n
276.26834504818
4 √n
67.763892462161
5 √n
29.160749062496
1 , 2 , 4 , 8 , 35 , 70 , 140 , 280 , 75307 , 150614 , 301228 , 602456 , 2635745 , 5271490 , 10542980 , 21085960
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
-21085959
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 21085960 can be divided by 16 positive divisors.
The sum of these divisors (counting 21085960) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000011011111100001000
3
Ternary
1110200021111111
4
Quaternary
1100123330020
5
Quinary
20344222320
6
Senary
2031540104
8
Octal
120337410
10
Decimal
21085960
12
Duodecimal
708a634
16
Hexadecimal
141bf08
20
Vigesimal
6bfei0
36
Base36
cjy14
md5
876ca9728a1f1491fb95094fd7ad8c86
sha1
170e966d25e1d7492ef9e2953f05b2435478346d
sha256
95341e907928d8efaa641de9c7e2ff5976e6bd9c64643b30eac5d5886fbf2369
sha512
efb44e3379d108a52680d57678576dceca39a534aea9e9146ec34e6627bc09b8b17febbe9bf5857ba39dc3f8f408526f3fda83dc240251661225272d1da29663
ripemd-160
ee093a159ad41cb177310af6ee49466af69ab8a7
Diameter
42171920
Circumference
132486994.05978
Area
1.3968077286323E+15
Volume
3.927070919151E+22
Surface area
5.5872309145294E+15
Circumference
132486994.05978
Perimeter
84343840
Area
444617709121600
Diagonal
29820050.607657
Surface area
2667706254729600
Volume
9.3751912298297E+21
Space diagonal
36521954.046365
Perimeter
63257880
Area
1.9252511553587E+14
Altitude
18260977.023183
Surface area
1.9252511553587E+14
Volume
1.1048768822555E+21
Height
9940016.8692189