15742989 (number)

15742989 is an odd 8-digits composite number following 15742988 and preceding 15742990. In scientific notation, it is written as 1.5742989 × 10^7. The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors. There are 10495320 positive integers (up to 15742989) that are relatively prime to 15742989.

Interesting facts

Basic properties

Name

Name fifteen million seven hundred forty-two thousand nine hundred eighty-nine

Notation

Scientific notation 1.5742989 × 10^7
Engineering notation 1.5742989 × 10^6

Prime Factorization of 15742989

Prime Factorization 9 × 1749221

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15742989
Product of the distinct prime numbers

The prime factorization of 15742989 is 9 × 1749221. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15742989)

Multiplication

n×y
n×2 31485978
n×3 47228967
n×4 62971956
n×5 78714945

Division

n÷y
n÷2 7871494.5
n÷3 5247663
n÷3 3935747.25
n÷5 3148597.8

Exponentiation

ny
n2 247841702654121
n3 3.9017691986251E+21
n4 6.1425509574494E+28
n5 9.6702112155065E+35

Nth Root

y√n
2√n 3967.7435653026
3√n 250.62769733189
4√n 62.990027506762
5√n 27.505366642092

Divisors of 15742989

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15742988
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15742989 can be divided by 4 positive divisors. The sum of these divisors (counting 15742989) is 1, the average is 0.25.

Base conversion 15742989

Base System Value
2 Binary 111100000011100000001101
3 Ternary 1002121211022200
4 Quaternary 330003200031
5 Quinary 13012233424
6 Senary 1321232113
8 Octal 74034015
10 Decimal 15742989
12 Duodecimal 5332639
16 Hexadecimal f0380d
20 Vigesimal 4i7h99
36 Base36 9dfd9

Cryptographic Hash Functions

md5 c0054dd648e4330a53e5bd0b40b511ea
sha1 39c9f7bf6cd2cba10f58534f33c96aeb64e9bdc7
sha256 e46d836523040350368a2a1fc9535cfddf237b817bbd06bab8071a474e3ca4b2
sha512 c706c83c96ce08b0513b60944b81d2ef77dcf9ce03332b128915d43ee527678e19d0f297a4b386691885497ed5cf465ce4348e4d0100decaad92ebb2cff3cefd
ripemd-160 3b186a1e8f3deb70cd09e6efc0f838b2e64bd338

15742989 as geometric shapes

Circle

Radius = n
Diameter 31485978
Circumference 98916117.17589
Area 7.7861767231137E+14

Sphere

Radius = n
Volume 1.6343692600538E+22
Surface area 3.1144706892455E+15
Circumference 98916117.17589

Square

Length = n
Perimeter 62971956
Area 247841702654121
Diagonal 22263948.55609

Cube

Length = n
Surface area 1487050215924726
Volume 3.9017691986251E+21
Space diagonal 27267656.810998

Equilateral Triangle

Length = n
Perimeter 47228967
Area 1.0731860530783E+14
Altitude 13633828.405499

Triangular Pyramid

Length = n
Surface area 1.0731860530783E+14
Volume 4.5982790982877E+20
Height 7421316.1853635