15201991 (number)

15201991 is an odd 8-digits composite number following 15201990 and preceding 15201992. In scientific notation, it is written as 1.5201991 × 10^7. The sum of its digits is 28. It has a total of 3 prime factors and 8 positive divisors. There are 12986520 positive integers (up to 15201991) that are relatively prime to 15201991.

Interesting facts

Basic properties

Name

Name fifteen million two hundred one thousand nine hundred ninety-one

Notation

Scientific notation 1.5201991 × 10^7
Engineering notation 1.5201991 × 10^6

Prime Factorization of 15201991

Prime Factorization 7 × 311 × 6983

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15201991
Product of the distinct prime numbers

The prime factorization of 15201991 is 7 × 311 × 6983. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15201991)

Multiplication

n×y
n×2 30403982
n×3 45605973
n×4 60807964
n×5 76009955

Division

n÷y
n÷2 7600995.5
n÷3 5067330.3333333
n÷3 3800497.75
n÷5 3040398.2

Exponentiation

ny
n2 231100530364081
n3 3.51318818269E+21
n4 5.340745513456E+28
n5 8.1189965228848E+35

Nth Root

y√n
2√n 3898.973069925
3√n 247.72328114505
4√n 62.441757421816
5√n 27.313672276573

Divisors of 15201991

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 -15201990
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 15201991 can be divided by 8 positive divisors. The sum of these divisors (counting 15201991) is 1, the average is 0.125.

Base conversion 15201991

Base System Value
2 Binary 111001111111011011000111
3 Ternary 1001121100012201
4 Quaternary 321333123013
5 Quinary 12342430431
6 Senary 1301455331
8 Octal 71773307
10 Decimal 15201991
12 Duodecimal 5111547
16 Hexadecimal e7f6c7
20 Vigesimal 4f04jb
36 Base36 91txj

Cryptographic Hash Functions

md5 79fd30f29a2561d9b88151ed2cc051db
sha1 fc5bfd9bf6d5158a2cd5eaef7a8b6dc02f8394b3
sha256 d360add06a71180721a3daa1c51951df3f5503773fc9bc415861fb3c13f6b7c4
sha512 2b09a6c677c96fb70e3976c18f484ad52f94efb284fdf3cb3292e821afbbfc7d04754873cf7be8ba7be280824f85ccef4e99e24b09a517b347b9256e20e375b4
ripemd-160 cd94da694dabc11af503571db54289696f30250e

15201991 as geometric shapes

Circle

Radius = n
Diameter 30403982
Circumference 95516926.491076
Area 7.260237284325E+14

Sphere

Radius = n
Volume 1.4716008247223E+22
Surface area 2.90409491373E+15
Circumference 95516926.491076

Square

Length = n
Perimeter 60807964
Area 231100530364081
Diagonal 21498861.847274

Cube

Length = n
Surface area 1386603182184486
Volume 3.51318818269E+21
Space diagonal 26330620.788205

Equilateral Triangle

Length = n
Perimeter 45605973
Area 1.0006946506168E+14
Altitude 13165310.394102

Triangular Pyramid

Length = n
Surface area 1.0006946506168E+14
Volume 4.1403319792742E+20
Height 7166287.2824246