21479917 is an odd 8-digits prime number following 21479916
and preceding 21479918 . In scientific notation, it is written as 2.1479917 × 10^7.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 21479916 positive integers (up to 21479917) that are relatively prime to 21479917.
21479917 has 2 divisors, whose sum is 21479918
The reverse of 21479917 is 71997412
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty-one million four hundred seventy-nine thousand nine hundred seventeen
Scientific notation
2.1479917 × 10^7
Engineering notation
2.1479917 × 10^6
Prime Factorization
21479917
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21479917
Product of the distinct prime numbers
The prime factorization of 21479917 is 21479917.
Since it has a total of 1 prime factors.
4 , 3 , 78 , 66 , 358 , 532 , 671 , 620 , 94546 , 44382 , 204730 , 657156 , 7507118 , 4877012 , 81202738 , 31174524 , 721921664 , 46349077 , 7539514103 , 2411367378
n×2
42959834
n×3
64439751
n×4
85919668
n×5
107399585
n÷2
10739958.5
n÷3
7159972.3333333
n÷3
5369979.25
n÷5
4295983.4
n2
461386834326889
n3
9.9105509062343E+21
n4
2.1287781089019E+29
n5
4.5725977090629E+36
2 √n
4634.643136208
3 √n
277.97828186356
4 √n
68.078213374089
5 √n
29.268908015321
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21479918
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10739959
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4634.6432440912
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999068898
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21479917 can be divided by 2 positive divisors.
The sum of these divisors (counting 21479917) is 21479918, the average is 10739959.
Base
System
Value
2
Binary
1010001111100000111101101
3
Ternary
1111102021220111
4
Quaternary
1101330013231
5
Quinary
20444324132
6
Senary
2044220021
8
Octal
121740755
10
Decimal
21479917
12
Duodecimal
723a611
16
Hexadecimal
147c1ed
20
Vigesimal
6e4jfh
36
Base36
cse0d
md5
b7678962b4b8591bc9c48c3cc1d6918d
sha1
ee99459f357809d1e1171257ae01d3aa53a9f12a
sha256
a5bd8590656798fa0c591f67c93867439277f538c670b5be3e7b0d77e811c866
sha512
3f31c2f42be19d2037397f7e324fe8ee335f4879ee7501e6afc36a5c9e321bb651191a18c564e9d003f898ecfe375f916cf314de85d7e7c50cda45908cc6d4cd
ripemd-160
093f6fe099846f38f0545a27e8ee9537cb36cfde
Diameter
42959834
Circumference
134962298.89384
Area
1.4494894891844E+15
Volume
4.1513218560071E+22
Surface area
5.7979579567376E+15
Circumference
134962298.89384
Perimeter
85919668
Area
461386834326889
Diagonal
30377189.940048
Surface area
2768321005961334
Volume
9.9105509062343E+21
Space diagonal
37204307.586362
Perimeter
64439751
Area
1.9978635974938E+14
Altitude
18602153.793181
Surface area
1.9978635974938E+14
Volume
1.1679696251821E+21
Height
10125729.980016