21274865 is an odd 8-digits composite number following 21274864
and preceding 21274866 . In scientific notation, it is written as 2.1274865 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 16983792 positive integers (up to 21274865) that are relatively prime to 21274865.
21274865 has 8 divisors, whose sum is 25584000
The reverse of 21274865 is 56847212
Previous prime number is 499
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty-one million two hundred seventy-four thousand eight hundred sixty-five
Scientific notation
2.1274865 × 10^7
Engineering notation
2.1274865 × 10^6
Prime Factorization
5 × 499 × 8527
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21274865
Product of the distinct prime numbers
The prime factorization of 21274865 is 5 × 499 × 8527.
Since it has a total of 3 prime factors.
8 , 3 , 78 , 66 , 666 , 394 , 1 , 3927 , 99832 , 8208 , 745595 , 923146 , 9428594 , 140818 , 7018017 , 75195780 , 889310406 , 932706011 , 7460668289 , 2849125442
n×2
42549730
n×3
63824595
n×4
85099460
n×5
106374325
n÷2
10637432.5
n÷3
7091621.6666667
n÷3
5318716.25
n÷5
4254973
n2
452619880768225
n3
9.6294268596601E+21
n4
2.0486475646664E+29
n5
4.3584700370857E+36
2 √n
4612.4684280762
3 √n
277.0909049256
4 √n
67.915156099918
5 √n
29.212811918735
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
-21274864
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 21274865 can be divided by 8 positive divisors.
The sum of these divisors (counting 21274865) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001001010000011110001
3
Ternary
1111000212121222
4
Quaternary
1101022003301
5
Quinary
20421243430
6
Senary
2035554425
8
Octal
121120361
10
Decimal
21274865
12
Duodecimal
715ba15
16
Hexadecimal
144a0f1
20
Vigesimal
6cj735
36
Base36
cnzsh
md5
d637bdf1304f25e502bf5154867a4af2
sha1
b589ed0c7c20ace598c8f14a41e715feff9c0639
sha256
d4a8b999ff0c7828f5da543f7f89d757bdb10d517f9387260c14e6066e3f1d77
sha512
31a97ecc52522da9ee3e90ab5c72d05c45e25c553ae5f7a85aeb05dabfbed2388d3f3e6d30c130a96dab4d258acea18d8d20ed2401f32eef7800ba2464caca87
ripemd-160
5fe8caa0bf6e45346189846c64690783d454150a
Diameter
42549730
Circumference
133673919.18023
Area
1.4219472922901E+15
Volume
4.0335648907451E+22
Surface area
5.6877891691606E+15
Circumference
133673919.18023
Perimeter
85099460
Area
452619880768225
Diagonal
30087202.620657
Surface area
2715719284609350
Volume
9.6294268596601E+21
Space diagonal
36849147.104169
Perimeter
63824595
Area
1.9599015750158E+14
Altitude
18424573.552084
Surface area
1.9599015750158E+14
Volume
1.1348388385676E+21
Height
10029067.540219