15391389 (number)

15391389 is an odd 8-digits composite number following 15391388 and preceding 15391390. In scientific notation, it is written as 1.5391389 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 9309696 positive integers (up to 15391389) that are relatively prime to 15391389.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5391389 × 10^7
Engineering notation 1.5391389 × 10^6

Prime Factorization of 15391389

Prime Factorization 3 × 13 × 59 × 6689

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 15391389
Product of the distinct prime numbers

The prime factorization of 15391389 is 3 × 13 × 59 × 6689. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15391389)

Multiplication

n×y
n×2 30782778
n×3 46174167
n×4 61565556
n×5 76956945

Division

n÷y
n÷2 7695694.5
n÷3 5130463
n÷3 3847847.25
n÷5 3078277.8

Exponentiation

ny
n2 236894855349321
n3 3.6461408707801E+21
n4 5.6119172490976E+28
n5 8.6375201416671E+35

Nth Root

y√n
2√n 3923.186077667
3√n 248.74781325149
4√n 62.635342081504
5√n 27.381394530959

Divisors of 15391389

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 -15391388
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 15391389 can be divided by 16 positive divisors. The sum of these divisors (counting 15391389) is 1, the average is 0.0625.

Base conversion 15391389

Base System Value
2 Binary 111010101101101010011101
3 Ternary 1001221222000110
4 Quaternary 322231222131
5 Quinary 12420011024
6 Senary 1305520233
8 Octal 72555235
10 Decimal 15391389
12 Duodecimal 51a3079
16 Hexadecimal eada9d
20 Vigesimal 4g3i99
36 Base36 95w2l

Cryptographic Hash Functions

md5 4f64525b699911e1344c496d765dbdcb
sha1 ac2fd997b42608b8fbc5ddc2503ef668f0f10eda
sha256 d2a1b21e520886db8f259eb138f1e1cce5ababeb7b6c6ba53103af9a8d36b12f
sha512 4ef5898124d973892672da824c6e421f4ab675ee1a17db808eb2c2ecf15722cc90ef99b26fad07c5cf26555b9f997ab42f58993ac7dcd28cf3f900112cc05709
ripemd-160 2ddabea27fdc33e6fb3adde9d8eefe1864cd1bbe

15391389 as geometric shapes

Circle

Radius = n
Diameter 30782778
Circumference 96706949.221886
Area 7.4422713723864E+14

Sphere

Radius = n
Volume 1.5272919164795E+22
Surface area 2.9769085489546E+15
Circumference 96706949.221886

Square

Length = n
Perimeter 61565556
Area 236894855349321
Diagonal 21766711.06756

Cube

Length = n
Surface area 1421369132095926
Volume 3.6461408707801E+21
Space diagonal 26658667.747057

Equilateral Triangle

Length = n
Perimeter 46174167
Area 1.0257848137918E+14
Altitude 13329333.873528

Triangular Pyramid

Length = n
Surface area 1.0257848137918E+14
Volume 4.2970182248168E+20
Height 7255570.3558534