21479427 is an odd 8-digits composite number following 21479426
and preceding 21479428 . In scientific notation, it is written as 2.1479427 × 10^7.
The sum of its digits is 36. It has a total of 2 prime factors and 4 positive divisors.
There are 14319612 positive integers (up to 21479427) that are relatively prime to 21479427.
21479427 has 4 divisors, whose sum is 23866040
The reverse of 21479427 is 72497412
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty-one million four hundred seventy-nine thousand four hundred twenty-seven
Scientific notation
2.1479427 × 10^7
Engineering notation
2.1479427 × 10^6
Prime Factorization
9 × 2386603
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21479427
Product of the distinct prime numbers
The prime factorization of 21479427 is 9 × 2386603.
Since it has a total of 2 prime factors.
8 , 9 , 72 , 93 , 566 , 253 , 5088 , 4499 , 15661 , 48047 , 903331 , 936249 , 3331397 , 4843822 , 84952249 , 97477448 , 643320340 , 325385223 , 1158803855 , 7641348895
n×2
42958854
n×3
64438281
n×4
85917708
n×5
107397135
n÷2
10739713.5
n÷3
7159809
n÷3
5369856.75
n÷5
4295885.4
n2
461365784248329
n3
9.9098726830597E+21
n4
2.1285838687508E+29
n5
4.5720761822209E+36
2 √n
4634.5902731525
3 √n
277.97616810006
4 √n
68.077825120611
5 √n
29.2687744776
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
-21479426
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 21479427 can be divided by 4 positive divisors.
The sum of these divisors (counting 21479427) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010001111100000000000011
3
Ternary
1111102021020100
4
Quaternary
1101330000003
5
Quinary
20444320202
6
Senary
2044213443
8
Octal
121740003
10
Decimal
21479427
12
Duodecimal
723a283
16
Hexadecimal
147c003
20
Vigesimal
6e4ib7
36
Base36
csdmr
md5
cde991dfc9b4e728a0f6a514c81d565d
sha1
0d291404861b3adaabd56879014344bb4ef4c4c7
sha256
c9cc6299150a74eca06bf1ea552b13c025d30a8563e726495872af8c1f5c7214
sha512
8bf43dab07b7725192237d93aee5d8d481a98046203963aff5c6c0a5a52e81e033fd4b620d445ec364169d8f381dc50d4fe2c0114bb8d59a5438e1594d17481e
ripemd-160
91cb2df8bfaca2f83dcb93ff524fa554616c63d5
Diameter
42958854
Circumference
134959220.13304
Area
1.4494233584122E+15
Volume
4.1510377625481E+22
Surface area
5.797693433649E+15
Circumference
134959220.13304
Perimeter
85917708
Area
461365784248329
Diagonal
30376496.975403
Surface area
2768194705489974
Volume
9.9098726830597E+21
Space diagonal
37203458.881467
Perimeter
64438281
Area
1.9977724479799E+14
Altitude
18601729.440733
Surface area
1.9977724479799E+14
Volume
1.1678896958145E+21
Height
10125498.991801