21096987 is an odd 8-digits composite number following 21096986
and preceding 21096988 . In scientific notation, it is written as 2.1096987 × 10^7.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 13939968 positive integers (up to 21096987) that are relatively prime to 21096987.
21096987 has 8 divisors, whose sum is 28378704
The reverse of 21096987 is 78969012
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty-one million ninety-six thousand nine hundred eighty-seven
Scientific notation
2.1096987 × 10^7
Engineering notation
2.1096987 × 10^6
Prime Factorization
3 × 113 × 62233
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21096987
Product of the distinct prime numbers
The prime factorization of 21096987 is 3 × 113 × 62233.
Since it has a total of 3 prime factors.
1 , 10 , 6 , 20 , 301 , 947 , 8911 , 6693 , 42649 , 68596 , 321745 , 975041 , 6996380 , 206980 , 38924480 , 20682567 , 220916794 , 776933480 , 6680545933 , 4375152591
n×2
42193974
n×3
63290961
n×4
84387948
n×5
105484935
n÷2
10548493.5
n÷3
7032329
n÷3
5274246.75
n÷5
4219397.4
n2
445082860478169
n3
9.3899073214307E+21
n4
1.9809875269143E+29
n5
4.1792868102473E+36
2 √n
4593.1456541242
3 √n
276.3164952573
4 √n
67.772750085298
5 √n
29.163798374336
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21096986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21096987 can be divided by 8 positive divisors.
The sum of these divisors (counting 21096987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000011110101000011011
3
Ternary
1110200211121220
4
Quaternary
1100132220123
5
Quinary
20400100422
6
Senary
2032103123
8
Octal
120365033
10
Decimal
21096987
12
Duodecimal
7094aa3
16
Hexadecimal
141ea1b
20
Vigesimal
6bh297
36
Base36
ck6jf
md5
c05edfd3f9734b054c7074662a55d63b
sha1
d9c69512a46f0630dc61b29322dddc632dd2c684
sha256
b7210c469591c5914e959d5d9b1e98d4f8c62619feef1b95a15e745facbb5a8c
sha512
1e1812f89f48219c82e9ab0af968dff407327820d06d887e264170df152382852f14277f2cdd616764e276e7c5255092dfda14a86e2f0743168f5875059d22ef
ripemd-160
ca068d03d58e875ee01fda5c247532f579c6d00d
Diameter
42193974
Circumference
132556278.74416
Area
1.3982690447169E+15
Volume
3.9332351811861E+22
Surface area
5.5930761788678E+15
Circumference
132556278.74416
Perimeter
84387948
Area
445082860478169
Diagonal
29835645.140609
Surface area
2670497162869014
Volume
9.3899073214307E+21
Space diagonal
36541053.37062
Perimeter
63290961
Area
1.9272653198157E+14
Altitude
18270526.68531
Surface area
1.9272653198157E+14
Volume
1.1066111902828E+21
Height
9945215.0468696