15691389 (number)

15691389 is an odd 8-digits composite number following 15691388 and preceding 15691390. In scientific notation, it is written as 1.5691389 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 8936640 positive integers (up to 15691389) that are relatively prime to 15691389.

Interesting facts

Basic properties

Name

Name fifteen million six hundred ninety-one thousand three hundred eighty-nine

Notation

Scientific notation 1.5691389 × 10^7
Engineering notation 1.5691389 × 10^6

Prime Factorization of 15691389

Prime Factorization 7 × 3 × 349 × 2141

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15691389
Product of the distinct prime numbers

The prime factorization of 15691389 is 7 × 3 × 349 × 2141. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 3, 20, 9, 785, 659, 9455, 1525, 24550, 19946, 178480, 884871, 1759511, 5711637, 8748325, 79743957, 818270274, 64242964, 3700595182, 4011939780

Basic calculations (n = 15691389)

Multiplication

n×y
n×2 31382778
n×3 47074167
n×4 62765556
n×5 78456945

Division

n÷y
n÷2 7845694.5
n÷3 5230463
n÷3 3922847.25
n÷5 3138277.8

Exponentiation

ny
n2 246219688749321
n3 3.8635289156245E+21
n4 6.0624135127813E+28
n5 9.5127688707907E+35

Nth Root

y√n
2√n 3961.2357920225
3√n 250.35357437158
4√n 62.938349136456
5√n 27.487312366079

Divisors of 15691389

1, 3, 7, 21, 349, 1047, 2141, 2443, 6423, 7329, 14987, 44961, 747209, 2241627, 5230463, 15691389

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 -15691388
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 15691389 can be divided by 16 positive divisors. The sum of these divisors (counting 15691389) is 1, the average is 0.0625.

Base conversion 15691389

Base System Value
2 Binary 111011110110111001111101
3 Ternary 1002112012112120
4 Quaternary 323312321331
5 Quinary 13004111024
6 Senary 1320153153
8 Octal 73667175
10 Decimal 15691389
12 Duodecimal 53087b9
16 Hexadecimal ef6e7d
20 Vigesimal 4i1899
36 Base36 9cbjx

Cryptographic Hash Functions

md5 f58e09ae5f5857dc1342b6d30ff386ad
sha1 76d312ca9c0fd3e917401b6aede8ce9c011dc930
sha256 b796e284edef8f03a7ad660c1d3f31575b4ca310060bed469c8db8c1fab07c0a
sha512 530a6faebeed80c284d0e6ba6e68800606ff3b959d5ba834400847d8fd982c7c7f781f1560a358a25ac95d49f82fee6c0a029b572419f2e39f8580bb6c39ec77
ripemd-160 c46047a8527ef1b0c44cdf0167f48339021f4396

15691389 as geometric shapes

Circle

Radius = n
Diameter 31382778
Circumference 98591904.814039
Area 7.7352196534403E+14

Sphere

Radius = n
Volume 1.6183512077677E+22
Surface area 3.0940878613761E+15
Circumference 98591904.814039

Square

Length = n
Perimeter 62765556
Area 246219688749321
Diagonal 22190975.136272

Cube

Length = n
Surface area 1477318132495926
Volume 3.8635289156245E+21
Space diagonal 27178282.989327

Equilateral Triangle

Length = n
Perimeter 47074167
Area 1.066162526844E+14
Altitude 13589141.494664

Triangular Pyramid

Length = n
Surface area 1.066162526844E+14
Volume 4.5532124925807E+20
Height 7396991.7120907