155238909 (number)

155238909 is an odd 9-digits composite number following 155238908 and preceding 155238910. In scientific notation, it is written as 1.55238909 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 88707864 positive integers (up to 155238909) that are relatively prime to 155238909.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million two hundred thirty-eight thousand nine hundred nine

Notation

Scientific notation 1.55238909 × 10^8
Engineering notation 1.55238909 × 10^6

Prime Factorization of 155238909

Prime Factorization 3 × 7 × 7 × 1056047

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 22176987
Product of the distinct prime numbers

The prime factorization of 155238909 is 3 × 7 × 7 × 1056047. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 9, 98, 61, 57, 228, 9795, 4426, 94270, 92067, 851385, 535376, 178098, 1872809, 15370524, 35033527, 683414902, 87532240, 143812072, 2993915958

Basic calculations (n = 155238909)

Multiplication

n×y
n×2 310477818
n×3 465716727
n×4 620955636
n×5 776194545

Division

n÷y
n÷2 77619454.5
n÷3 51746303
n÷3 38809727.25
n÷5 31047781.8

Exponentiation

ny
n2 24099118867510281
n3 3.7411209208536E+24
n4 5.8076753019039E+32
n5 9.0157717769381E+40

Nth Root

y√n
2√n 12459.490719929
3√n 537.44438176985
4√n 111.6220888531
5√n 43.471048609975

Divisors of 155238909

1, 3, 7, 21, 49, 147, 1056047, 3168141, 7392329, 22176987, 51746303, 155238909

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -155238908
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 155238909 can be divided by 12 positive divisors. The sum of these divisors (counting 155238909) is 1, the average is 0.083333333333333.

Base conversion 155238909

Base System Value
2 Binary 1001010000001100000111111101
3 Ternary 101211002221202020
4 Quaternary 21100030013331
5 Quinary 304220121114
6 Senary 23223150353
8 Octal 1120140775
10 Decimal 155238909
12 Duodecimal 43ba53b9
16 Hexadecimal 940c1fd
20 Vigesimal 28a4h59
36 Base36 2kfb3x

Cryptographic Hash Functions

md5 aea14d251bd9799b227a0c5678fa91f6
sha1 d5665372428c9f4cf932e45d59640d9845abb07a
sha256 c794d107fe1c664cd8c6add05b8673dc0e6d8aa48f8bb6b9b3e378ef3c27f157
sha512 7d4e0c20bd1235646553bbe0d14f81e082ac5ce08da3963db09615673759accb9cc2be240f1f6e04dbf622175d94767d8e47066c7c22abfb61169a4a686bea91
ripemd-160 c418fe7179fcd4147eb975e6b12c262ae5ae66a3

155238909 as geometric shapes

Circle

Radius = n
Diameter 310477818
Circumference 975394832.13139
Area 7.5709614792157E+16

Sphere

Radius = n
Volume 1.5670770668193E+25
Surface area 3.0283845916863E+17
Circumference 975394832.13139

Square

Length = n
Perimeter 620955636
Area 24099118867510281
Diagonal 219540970.5158

Cube

Length = n
Surface area 144594713205061686
Volume 3.7411209208536E+24
Space diagonal 268881677.69956

Equilateral Triangle

Length = n
Perimeter 465716727
Area 1.0435224574042E+16
Altitude 134440838.84978

Triangular Pyramid

Length = n
Surface area 1.0435224574042E+16
Volume 4.4089532872907E+23
Height 73180323.505268