155087381 (number)

155087381 is an odd 9-digits composite number following 155087380 and preceding 155087382. In scientific notation, it is written as 1.55087381 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 152161152 positive integers (up to 155087381) that are relatively prime to 155087381.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million eighty-seven thousand three hundred eighty-one

Notation

Scientific notation 1.55087381 × 10^8
Engineering notation 1.55087381 × 10^6

Prime Factorization of 155087381

Prime Factorization 53 × 2926177

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 155087381
Product of the distinct prime numbers

The prime factorization of 155087381 is 53 × 2926177. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 155087381)

Multiplication

n×y
n×2 310174762
n×3 465262143
n×4 620349524
n×5 775436905

Division

n÷y
n÷2 77543690.5
n÷3 51695793.666667
n÷3 38771845.25
n÷5 31017476.2

Exponentiation

ny
n2 24052095745439161
n3 3.7301765367214E+24
n4 5.7850330974777E+32
n5 8.9718563208614E+40

Nth Root

y√n
2√n 12453.408408946
3√n 537.2694591635
4√n 111.5948404226
5√n 43.462558915669

Divisors of 155087381

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 -155087380
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 155087381 can be divided by 4 positive divisors. The sum of these divisors (counting 155087381) is 1, the average is 0.25.

Base conversion 155087381

Base System Value
2 Binary 1001001111100111001000010101
3 Ternary 101210211020220002
4 Quaternary 21033213020111
5 Quinary 304200244011
6 Senary 23220021045
8 Octal 1117471025
10 Decimal 155087381
12 Duodecimal 43b31785
16 Hexadecimal 93e7215
20 Vigesimal 2895i91
36 Base36 2kc26t

Cryptographic Hash Functions

md5 a5636f6499277ab2bc28346090b065b6
sha1 265fca4925e1b5d280e02fd047e91b03fb17ccb0
sha256 43847fea6dccefcfd6015e7445b5205a0108febccea1aa18992343a54fe00f6f
sha512 6f51840225265ab905dbf4aa45a542ca06f15eb60ed81b76eaa6fafa9830094a8ef11f344beb0626a8e6af0035cd42a09abd983dc1670d9c84974507b06c0928
ripemd-160 b330e0fb6a9291185d825331752d211f3cc503a3

155087381 as geometric shapes

Circle

Radius = n
Diameter 310174762
Circumference 974442753.62816
Area 7.556188729731E+16

Sphere

Radius = n
Volume 1.5624926939143E+25
Surface area 3.0224754918924E+17
Circumference 974442753.62816

Square

Length = n
Perimeter 620349524
Area 24052095745439161
Diagonal 219326677.56312

Cube

Length = n
Surface area 144312574472634966
Volume 3.7301765367214E+24
Space diagonal 268619223.50479

Equilateral Triangle

Length = n
Perimeter 465262143
Area 1.0414862964903E+16
Altitude 134309611.7524

Triangular Pyramid

Length = n
Surface area 1.0414862964903E+16
Volume 4.3960552068978E+23
Height 73108892.521041