15206421 is an odd 8-digits composite number following 15206420
and preceding 15206422 . In scientific notation, it is written as 1.5206421 × 10^7.
The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors.
There are 10137612 positive integers (up to 15206421) that are relatively prime to 15206421.
15206421 has 4 divisors, whose sum is 20275232
The reverse of 15206421 is 12460251
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
fifteen million two hundred six thousand four hundred twenty-one
Scientific notation
1.5206421 × 10^7
Engineering notation
1.5206421 × 10^6
Prime Factorization
3 × 5068807
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15206421
Product of the distinct prime numbers
The prime factorization of 15206421 is 3 × 5068807.
Since it has a total of 2 prime factors.
7 , 9 , 55 , 68 , 486 , 158 , 6298 , 7596 , 61678 , 31933 , 436922 , 333320 , 7352216 , 3595407 , 92349207 , 31918802 , 808756142 , 784724796 , 5231101481 , 8762875502
n×2
30412842
n×3
45619263
n×4
60825684
n×5
76032105
n÷2
7603210.5
n÷3
5068807
n÷3
3801605.25
n÷5
3041284.2
n2
231235239629241
n3
3.5162604038381E+21
n4
5.3469736046393E+28
n5
8.1308331708032E+35
2 √n
3899.5411268507
3 √n
247.74734175557
4 √n
62.446305950398
5 √n
27.315263982113
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
-15206420
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 15206421 can be divided by 4 positive divisors.
The sum of these divisors (counting 15206421) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010000000100000010101
3
Ternary
1001121120021210
4
Quaternary
322000200111
5
Quinary
12343101141
6
Senary
1301532033
8
Octal
72004025
10
Decimal
15206421
12
Duodecimal
5114019
16
Hexadecimal
e80815
20
Vigesimal
4f0g11
36
Base36
91xcl
md5
bb65f454278299198c5423f1b09343f5
sha1
f86117539e2eb11ed82d288dab9a3a168cb1da57
sha256
8546ee343b5d65af1e5752dcb7cec48b305a5a226f575e71ec1ab66a0cb43bc4
sha512
938d7870a6669e4ffe4b438f88874918542a8efe6d7e396ca457bdb882113e65bd465078970589d31bf198ce27e8996fb86097c22e23c8d331e9621d912f9f1a
ripemd-160
b11de0380fa8d9d7f75587d099a072095e38c893
Diameter
30412842
Circumference
95544761.001987
Area
7.264469300703E+14
Volume
1.4728877137075E+22
Surface area
2.9057877202812E+15
Circumference
95544761.001987
Perimeter
60825684
Area
231235239629241
Diagonal
21505126.813355
Surface area
1387411437775446
Volume
3.5162604038381E+21
Space diagonal
26338293.773282
Perimeter
45619263
Area
1.0012779588455E+14
Altitude
13169146.886641
Surface area
1.0012779588455E+14
Volume
4.1439526266195E+20
Height
7168375.6044517