15397921 (number)

15397921 is an odd 8-digits composite number following 15397920 and preceding 15397922. In scientific notation, it is written as 1.5397921 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 11941200 positive integers (up to 15397921) that are relatively prime to 15397921.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5397921 × 10^7
Engineering notation 1.5397921 × 10^6

Prime Factorization of 15397921

Prime Factorization 7 × 11 × 311 × 643

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15397921
Product of the distinct prime numbers

The prime factorization of 15397921 is 7 × 11 × 311 × 643. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 2, 99, 88, 69, 761, 6808, 211, 80310, 13283, 187197, 691293, 9355486, 6110486, 6284635, 38658694, 629959917, 599375781, 7412167146, 2696406310

Basic calculations (n = 15397921)

Multiplication

n×y
n×2 30795842
n×3 46193763
n×4 61591684
n×5 76989605

Division

n÷y
n÷2 7698960.5
n÷3 5132640.3333333
n÷3 3849480.25
n÷5 3079584.2

Exponentiation

ny
n2 237095971122241
n3 3.6507850327585E+21
n4 5.6214499522399E+28
n5 8.6558642270043E+35

Nth Root

y√n
2√n 3924.0184760014
3√n 248.78299723036
4√n 62.641986526621
5√n 27.383718231761

Divisors of 15397921

1, 7, 11, 77, 311, 643, 2177, 3421, 4501, 7073, 23947, 49511, 199973, 1399811, 2199703, 15397921

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15397920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15397921 can be divided by 16 positive divisors. The sum of these divisors (counting 15397921) is 1, the average is 0.0625.

Base conversion 15397921

Base System Value
2 Binary 111010101111010000100001
3 Ternary 1001222021222101
4 Quaternary 322233100201
5 Quinary 12420213141
6 Senary 1310010401
8 Octal 72572041
10 Decimal 15397921
12 Duodecimal 51a6a01
16 Hexadecimal eaf421
20 Vigesimal 4g4eg1
36 Base36 96141

Cryptographic Hash Functions

md5 c473775fac1fc0dddd976251568f3383
sha1 136c34a66c433f6567158382bafaf67e924e2619
sha256 e6c501e62513b3ec1c3e4e8fb0f02bbd1a4988c7e8df32e32a66dcbacb022fdd
sha512 1af20f7d76542200f83d2a43c64db31d2e8e986c7a81283388b304e5aebbb5af5bd073c63f495260a8f780d14f58556227b1eaa5924992d2cadda854daf401fa
ripemd-160 d78888753adefa7ff1948b5d70d2e6003c2cf689

15397921 as geometric shapes

Circle

Radius = n
Diameter 30795842
Circumference 96747990.988312
Area 7.4485896107337E+14

Sphere

Radius = n
Volume 1.5292372585E+22
Surface area 2.9794358442935E+15
Circumference 96747990.988312

Square

Length = n
Perimeter 61591684
Area 237095971122241
Diagonal 21775948.710549

Cube

Length = n
Surface area 1422575826733446
Volume 3.6507850327585E+21
Space diagonal 26669981.502932

Equilateral Triangle

Length = n
Perimeter 46193763
Area 1.026655670634E+14
Altitude 13334990.751466

Triangular Pyramid

Length = n
Surface area 1.026655670634E+14
Volume 4.3024914221965E+20
Height 7258649.5701832