21085963 is an odd 8-digits composite number following 21085962
and preceding 21085964 . In scientific notation, it is written as 2.1085963 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 20169160 positive integers (up to 21085963) that are relatively prime to 21085963.
21085963 has 4 divisors, whose sum is 22002768
The reverse of 21085963 is 36958012
Previous prime number is 23
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million eighty-five thousand nine hundred sixty-three
Scientific notation
2.1085963 × 10^7
Engineering notation
2.1085963 × 10^6
Prime Factorization
23 × 916781
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21085963
Product of the distinct prime numbers
The prime factorization of 21085963 is 23 × 916781.
Since it has a total of 2 prime factors.
8 , 3 , 100 , 2 , 252 , 156 , 2944 , 6347 , 32659 , 1145 , 808671 , 437383 , 2823040 , 4906695 , 92391021 , 65761738 , 597830858 , 947870718 , 8842919167 , 4917419837
n×2
42171926
n×3
63257889
n×4
84343852
n×5
105429815
n÷2
10542981.5
n÷3
7028654.3333333
n÷3
5271490.75
n÷5
4217192.6
n2
444617835637369
n3
9.3751952313896E+21
n4
1.9768501976686E+29
n5
4.1683790124582E+36
2 √n
4591.9454482822
3 √n
276.26835815019
4 √n
67.763894872434
5 √n
29.160749892264
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21085962
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21085963 can be divided by 4 positive divisors.
The sum of these divisors (counting 21085963) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011011111100001011
3
Ternary
1110200021111121
4
Quaternary
1100123330023
5
Quinary
20344222323
6
Senary
2031540111
8
Octal
120337413
10
Decimal
21085963
12
Duodecimal
708a637
16
Hexadecimal
141bf0b
20
Vigesimal
6bfei3
36
Base36
cjy17
md5
b40dc6ceaed0cd746e8d672e79823660
sha1
0a81f31a3b5bc325cba58edad548c069f9f75abc
sha256
f1871ce9cb80f8ce0d43704ab8a76c3757ffed7609f086b814f998cb28222938
sha512
ea778007d9f550e0de6960988c5b97512922f17d6d4afd75cf6ff00557e938be6f89d315dde0093e3ac3af1d221ba4eae1973faa65acdd117bb79d866271bda7
ripemd-160
79337b3e9fed0e01e4e1d1d0386aa49791a88def
Diameter
42171926
Circumference
132487012.90933
Area
1.3968081260934E+15
Volume
3.9270725953205E+22
Surface area
5.5872325043734E+15
Circumference
132487012.90933
Perimeter
84343852
Area
444617835637369
Diagonal
29820054.850297
Surface area
2667707013824214
Volume
9.3751952313896E+21
Space diagonal
36521959.242517
Perimeter
63257889
Area
1.9252517031881E+14
Altitude
18260979.621259
Surface area
1.9252517031881E+14
Volume
1.1048773538439E+21
Height
9940018.2834324