155188021 (number)

155188021 is an odd 9-digits composite number following 155188020 and preceding 155188022. In scientific notation, it is written as 1.55188021 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 155153152 positive integers (up to 155188021) that are relatively prime to 155188021.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million one hundred eighty-eight thousand twenty-one

Notation

Scientific notation 1.55188021 × 10^8
Engineering notation 1.55188021 × 10^6

Prime Factorization of 155188021

Prime Factorization 29633 × 5237

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 155188021
Product of the distinct prime numbers

The prime factorization of 155188021 is 29633 × 5237. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 155188021)

Multiplication

n×y
n×2 310376042
n×3 465564063
n×4 620752084
n×5 775940105

Division

n÷y
n÷2 77594010.5
n÷3 51729340.333333
n÷3 38797005.25
n÷5 31037604.2

Exponentiation

ny
n2 24083321861896441
n3 3.7374430588537E+24
n4 5.800063919037E+32
n5 9.0010044126885E+40

Nth Root

y√n
2√n 12457.448414503
3√n 537.3856498045
4√n 111.61294017498
5√n 43.468198235859

Divisors of 155188021

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 -155188020
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 155188021 can be divided by 4 positive divisors. The sum of these divisors (counting 155188021) is 1, the average is 0.25.

Base conversion 155188021

Base System Value
2 Binary 1001001111111111101100110101
3 Ternary 101211000100221111
4 Quaternary 21033333230311
5 Quinary 304212004041
6 Senary 23222115021
8 Octal 1117775465
10 Decimal 155188021
12 Duodecimal 43b7ba71
16 Hexadecimal 93ffb35
20 Vigesimal 289ia11
36 Base36 2ke7ud

Cryptographic Hash Functions

md5 8ad8f0f8ac507c80f9e2a5a470e2f07b
sha1 297faba58504c5e4972c5fc14f27c53faa8c1294
sha256 08c74a5edbc40dad2d5a29d406de73237f15b8c7c32b6b4b898737d5b0a4997e
sha512 2280c3ebb98a8e99fc08c6071a67a88083c7d758c4dad967279631c6a684f3f9b5dc0ff558149cb68c1b26d2403e918dd7f9bb076c521f2bac44388490f7d546
ripemd-160 492833639676007aa60fef77880d8801a7a29b2c

155188021 as geometric shapes

Circle

Radius = n
Diameter 310376042
Circumference 975075093.39748
Area 7.5659987035372E+16

Sphere

Radius = n
Volume 1.5655364875873E+25
Surface area 3.0263994814149E+17
Circumference 975075093.39748

Square

Length = n
Perimeter 620752084
Area 24083321861896441
Diagonal 219469004.01604

Cube

Length = n
Surface area 144499931171378646
Volume 3.7374430588537E+24
Space diagonal 268793537.09807

Equilateral Triangle

Length = n
Perimeter 465564063
Area 1.042838426996E+16
Altitude 134396768.54903

Triangular Pyramid

Length = n
Surface area 1.042838426996E+16
Volume 4.4046188853568E+23
Height 73156334.672014