15207421 is an odd 8-digits composite number following 15207420
and preceding 15207422 . In scientific notation, it is written as 1.5207421 × 10^7.
The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors.
There are 15014844 positive integers (up to 15207421) that are relatively prime to 15207421.
15207421 has 4 divisors, whose sum is 15400000
The reverse of 15207421 is 12470251
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
fifteen million two hundred seven thousand four hundred twenty-one
Scientific notation
1.5207421 × 10^7
Engineering notation
1.5207421 × 10^6
Prime Factorization
79 × 192499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
15207421
Product of the distinct prime numbers
The prime factorization of 15207421 is 79 × 192499.
Since it has a total of 2 prime factors.
3 , 1 , 19 , 28 , 291 , 932 , 3818 , 1866 , 28113 , 85522 , 144707 , 45956 , 1208030 , 1995104 , 5899601 , 76144701 , 22314353 , 793061321 , 9533295983 , 7937393671
n×2
30414842
n×3
45622263
n×4
60829684
n×5
76037105
n÷2
7603710.5
n÷3
5069140.3333333
n÷3
3801855.25
n÷5
3041484.2
n2
231265653471241
n3
3.5169541551773E+21
n4
5.348380247548E+28
n5
8.1335070092547E+35
2 √n
3899.6693449573
3 √n
247.75277239813
4 √n
62.447332568792
5 √n
27.315623232268
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
-15207420
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 15207421 can be divided by 4 positive divisors.
The sum of these divisors (counting 15207421) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010000000101111111101
3
Ternary
1001121121122211
4
Quaternary
322000233331
5
Quinary
12343114141
6
Senary
1301540421
8
Octal
72005775
10
Decimal
15207421
12
Duodecimal
5114711
16
Hexadecimal
e80bfd
20
Vigesimal
4f0ib1
36
Base36
91y4d
md5
4461d86008729661a38f8862882d0707
sha1
530018b0ef7c26f61f4b1604f3fa43c0b6bc1b21
sha256
0de1dd476734669eb4ed44cd8a5018dd274422b10fa1fa617a0a32156c3e7a32
sha512
46aa23f4a5e88ed27be417931d12b648eb83bae9f776ea6def98a7dfb89a93ab86abf958049d3c746b0f744fdd0127a9eedfacf80909f7828d51fd4c1f7b2234
ripemd-160
54018cd9c7b6a6f478b71e2083595fe2e7cc5b9f
Diameter
30414842
Circumference
95551044.187294
Area
7.2654247797289E+14
Volume
1.4731783115889E+22
Surface area
2.9061699118916E+15
Circumference
95551044.187294
Perimeter
60829684
Area
231265653471241
Diagonal
21506541.026917
Surface area
1387593920827446
Volume
3.5169541551773E+21
Space diagonal
26340025.82409
Perimeter
45622263
Area
1.0014096546445E+14
Altitude
13170012.912045
Surface area
1.0014096546445E+14
Volume
4.1447702204134E+20
Height
7168847.0089725