155151921 (number)

155151921 is an odd 9-digits composite number following 155151920 and preceding 155151922. In scientific notation, it is written as 1.55151921 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 103331072 positive integers (up to 155151921) that are relatively prime to 155151921.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million one hundred fifty-one thousand nine hundred twenty-one

Notation

Scientific notation 1.55151921 × 10^8
Engineering notation 1.55151921 × 10^6

Prime Factorization of 155151921

Prime Factorization 3 × 1019 × 50753

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 155151921
Product of the distinct prime numbers

The prime factorization of 155151921 is 3 × 1019 × 50753. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 155151921)

Multiplication

n×y
n×2 310303842
n×3 465455763
n×4 620607684
n×5 775759605

Division

n÷y
n÷2 77575960.5
n÷3 51717307
n÷3 38787980.25
n÷5 31030384.2

Exponentiation

ny
n2 24072118589990241
n3 3.7348354417768E+24
n4 5.7946689341055E+32
n5 8.990540166855E+40

Nth Root

y√n
2√n 12455.999397881
3√n 537.34397750213
4√n 111.60644872892
5√n 43.466175724097

Divisors of 155151921

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -155151920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 155151921 can be divided by 8 positive divisors. The sum of these divisors (counting 155151921) is 1, the average is 0.125.

Base conversion 155151921

Base System Value
2 Binary 1001001111110110111000110001
3 Ternary 101210221112102110
4 Quaternary 21033312320301
5 Quinary 304204330141
6 Senary 23221235533
8 Octal 1117667061
10 Decimal 155151921
12 Duodecimal 43b62ba9
16 Hexadecimal 93f6e31
20 Vigesimal 289djg1
36 Base36 2kdfzl

Cryptographic Hash Functions

md5 93c2097cb64a0c92c57eac6f0f7c0c33
sha1 8870b2336fa5ea49e0185960c0b599287f978b94
sha256 74c3fea5e9c9f30638b5f2dc844c912b4d78e1f90a15c9fe01142461965a871c
sha512 6877f12c3330ae9f3c53a5d9399e21ebe3e02a61a8bb81563f5a49a9b7e14020a6ae1a96fa75b412554ea2deaa126e15c034e0196dcf220dd9df8eaf51165d72
ripemd-160 11a415af5a5a85068adc51867b30b94499f0b9f8

155151921 as geometric shapes

Circle

Radius = n
Diameter 310303842
Circumference 974848270.40789
Area 7.5624790918656E+16

Sphere

Radius = n
Volume 1.5644442115004E+25
Surface area 3.0249916367462E+17
Circumference 974848270.40789

Square

Length = n
Perimeter 620607684
Area 24072118589990241
Diagonal 219417950.90644

Cube

Length = n
Surface area 144432711539941446
Volume 3.7348354417768E+24
Space diagonal 268731010.06391

Equilateral Triangle

Length = n
Perimeter 465455763
Area 1.0423533110922E+16
Altitude 134365505.03196

Triangular Pyramid

Length = n
Surface area 1.0423533110922E+16
Volume 4.4015457791604E+23
Height 73139316.968813