15391397 (number)

15391397 is an odd 8-digits composite number following 15391396 and preceding 15391398. In scientific notation, it is written as 1.5391397 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 13174272 positive integers (up to 15391397) that are relatively prime to 15391397.

Interesting facts

Basic properties

Name

Name fifteen million three hundred ninety-one thousand three hundred ninety-seven

Notation

Scientific notation 1.5391397 × 10^7
Engineering notation 1.5391397 × 10^6

Prime Factorization of 15391397

Prime Factorization 7 × 1907 × 1153

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15391397
Product of the distinct prime numbers

The prime factorization of 15391397 is 7 × 1907 × 1153. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15391397)

Multiplication

n×y
n×2 30782794
n×3 46174191
n×4 61565588
n×5 76956985

Division

n÷y
n÷2 7695698.5
n÷3 5130465.6666667
n÷3 3847849.25
n÷5 3078279.4

Exponentiation

ny
n2 236895101611609
n3 3.6461465562596E+21
n4 5.6119289167575E+28
n5 8.6375425893594E+35

Nth Root

y√n
2√n 3923.1870972463
3√n 248.74785634879
4√n 62.635350220513
5√n 27.38139737737

Divisors of 15391397

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 -15391396
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 15391397 can be divided by 8 positive divisors. The sum of these divisors (counting 15391397) is 1, the average is 0.125.

Base conversion 15391397

Base System Value
2 Binary 111010101101101010100101
3 Ternary 1001221222000202
4 Quaternary 322231222211
5 Quinary 12420011042
6 Senary 1305520245
8 Octal 72555245
10 Decimal 15391397
12 Duodecimal 51a3085
16 Hexadecimal eadaa5
20 Vigesimal 4g3i9h
36 Base36 95w2t

Cryptographic Hash Functions

md5 894964cf6251999b09c2685826138946
sha1 396e00e2635050166e733b4e69a2364430c4a45b
sha256 89c6a36c0a190789097aaa704a23e1ea0f6e104518fbf23276b76ad729be5e86
sha512 7312a1c8705e68273f57c7f65b9cc2867deef25a1761e1d9ad591e84db9d625a0f12b0400097b5d2f0503499a627593a375dfff366ab33901fde2bdf9268f195
ripemd-160 0628d047e438ce50a5c4907a946b56479531142f

15391397 as geometric shapes

Circle

Radius = n
Diameter 30782794
Circumference 96706999.487368
Area 7.4422791089444E+14

Sphere

Radius = n
Volume 1.5272942980076E+22
Surface area 2.9769116435778E+15
Circumference 96706999.487368

Square

Length = n
Perimeter 61565588
Area 236895101611609
Diagonal 21766722.381269

Cube

Length = n
Surface area 1421370609669654
Volume 3.6461465562596E+21
Space diagonal 26658681.603463

Equilateral Triangle

Length = n
Perimeter 46174191
Area 1.0257858801387E+14
Altitude 13329340.801732

Triangular Pyramid

Length = n
Surface area 1.0257858801387E+14
Volume 4.2970249252186E+20
Height 7255574.1270895