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
- 155421000 has 64 divisors, whose sum is 445424640
- The reverse of 155421000 is 000124551
- Previous prime number is 7
Basic properties
- Is Prime? no
- Number parity even
- Number length 9
- Sum of Digits 18
- Digital Root 9
Name
Name | one hundred fifty-five million four hundred twenty-one thousand |
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Notation
Scientific notation | 1.55421000 × 10^8 |
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Engineering notation | 1.55421000 × 10^6 |
Prime Factorization of 155421000
Prime Factorization 2 × 2 × 2 × 375 × 3 × 7 × 2467
Composite numberω | 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×yn×2 | 310842000 |
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n×3 | 466263000 |
n×4 | 621684000 |
n×5 | 777105000 |
Division
n÷yn÷2 | 77710500 |
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n÷3 | 51807000 |
n÷3 | 38855250 |
n÷5 | 31084200 |
Exponentiation
nyn2 | 24155687241000000 |
---|---|
n3 | 3.7543010666835E+24 |
n4 | 5.8349722608501E+32 |
n5 | 9.0687722375358E+40 |
Nth Root
y√n2√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 = nDiameter | 310842000 |
---|---|
Circumference | 976538943.62716 |
Area | 7.5887329578738E+16 |
Sphere
Radius = nVolume | 1.5725979533943E+25 |
---|---|
Surface area | 3.0354931831495E+17 |
Circumference | 976538943.62716 |
Square
Length = nPerimeter | 621684000 |
---|---|
Area | 24155687241000000 |
Diagonal | 219798486.07759 |
Cube
Length = nSurface area | 144934123446000000 |
---|---|
Volume | 3.7543010666835E+24 |
Space diagonal | 269197068.56316 |
Equilateral Triangle
Length = nPerimeter | 466263000 |
---|---|
Area | 1.0459719398289E+16 |
Altitude | 134598534.28158 |
Triangular Pyramid
Length = nSurface area | 1.0459719398289E+16 |
---|---|
Volume | 4.4244862381129E+23 |
Height | 73266162.025863 |