155421000 (number)

155421000 is an even 9-digits composite number following 155420999 and preceding 155421001. In scientific notation, it is written as 1.55421000 × 10^8. The sum of its digits is 18. It has a total of 7 prime factors and 64 positive divisors. There are 35510400 positive integers (up to 155421000) that are relatively prime to 155421000.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.55421000 × 10^8
Engineering notation 1.55421000 × 10^6

Prime Factorization of 155421000

Prime Factorization 2 × 2 × 2 × 375 × 3 × 7 × 2467

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 38855250
Product of the distinct prime numbers

The prime factorization of 155421000 is 2 × 2 × 2 × 375 × 3 × 7 × 2467. Since it has a total of 7 prime factors.

Most popular turbo-numbers

Basic calculations (n = 155421000)

Multiplication

n×y
n×2 310842000
n×3 466263000
n×4 621684000
n×5 777105000

Division

n÷y
n÷2 77710500
n÷3 51807000
n÷3 38855250
n÷5 31084200

Exponentiation

ny
n2 24155687241000000
n3 3.7543010666835E+24
n4 5.8349722608501E+32
n5 9.0687722375358E+40

Nth Root

y√n
2√n 12466.795899508
3√n 537.65443552209
4√n 111.65480688044
5√n 43.481241899043

Divisors of 155421000

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -155420999
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 155421000 can be divided by 64 positive divisors. The sum of these divisors (counting 155421000) is 1, the average is 0.015625.

Base conversion 155421000

Base System Value
2 Binary 1001010000111000100101001000
3 Ternary 101211110012112100
4 Quaternary 21100320211020
5 Quinary 304241433000
6 Senary 23231113400
8 Octal 1120704510
10 Decimal 155421000
12 Duodecimal 44072860
16 Hexadecimal 9438948
20 Vigesimal 28b7ca0
36 Base36 2kj7m0

Cryptographic Hash Functions

md5 11f4734818d7eb18eae62fa7435b5453
sha1 1cb1c6748e1be9ef998ccc3b8e00053131cac2e8
sha256 5f218cf30ecc8e1636c301839f14929e6a26cd558fc0b60858d9fa1e4271e084
sha512 89d6237ed1b998767619a2f3119976c183eadb908c09d212e40be81f67e42b526d26424c0499aa0c2df45ab7258e61c95417a4a3b1d2709c7c36add1ef046744
ripemd-160 0c205c780e31bbc5c28ae53086e64c171ee7d5cf

155421000 as geometric shapes

Circle

Radius = n
Diameter 310842000
Circumference 976538943.62716
Area 7.5887329578738E+16

Sphere

Radius = n
Volume 1.5725979533943E+25
Surface area 3.0354931831495E+17
Circumference 976538943.62716

Square

Length = n
Perimeter 621684000
Area 24155687241000000
Diagonal 219798486.07759

Cube

Length = n
Surface area 144934123446000000
Volume 3.7543010666835E+24
Space diagonal 269197068.56316

Equilateral Triangle

Length = n
Perimeter 466263000
Area 1.0459719398289E+16
Altitude 134598534.28158

Triangular Pyramid

Length = n
Surface area 1.0459719398289E+16
Volume 4.4244862381129E+23
Height 73266162.025863