155115857 (number)

155115857 is an odd 9-digits composite number following 155115856 and preceding 155115858. In scientific notation, it is written as 1.55115857 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 143183856 positive integers (up to 155115857) that are relatively prime to 155115857.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million one hundred fifteen thousand eight hundred fifty-seven

Notation

Scientific notation 1.55115857 × 10^8
Engineering notation 1.55115857 × 10^6

Prime Factorization of 155115857

Prime Factorization 13 × 11931989

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 155115857
Product of the distinct prime numbers

The prime factorization of 155115857 is 13 × 11931989. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 4, 86, 34, 531, 902, 4921, 5732, 37959, 92911, 266950, 761652, 2474690, 4614144, 50677333, 54023155, 518203054, 205368204, 408491565, 2707621035

Basic calculations (n = 155115857)

Multiplication

n×y
n×2 310231714
n×3 465347571
n×4 620463428
n×5 775579285

Division

n÷y
n÷2 77557928.5
n÷3 51705285.666667
n÷3 38778964.25
n÷5 31023171.4

Exponentiation

ny
n2 24060929092844449
n3 3.7322316364528E+24
n4 5.7892830881089E+32
n5 8.9800960762762E+40

Nth Root

y√n
2√n 12454.551657928
3√n 537.30234030172
4√n 111.59996262512
5√n 43.464154853303

Divisors of 155115857

1, 13, 11931989, 155115857

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 -155115856
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 155115857 can be divided by 4 positive divisors. The sum of these divisors (counting 155115857) is 1, the average is 0.25.

Base conversion 155115857

Base System Value
2 Binary 1001001111101110000101010001
3 Ternary 101210212200221202
4 Quaternary 21033232011101
5 Quinary 304202201412
6 Senary 23220400545
8 Octal 1117560521
10 Decimal 155115857
12 Duodecimal 43b46155
16 Hexadecimal 93ee151
20 Vigesimal 28999ch
36 Base36 2kco5t

Cryptographic Hash Functions

md5 db878c2ce78d7f230a332935100d2ddc
sha1 fa25baaa7860febb63c1ea310033e5833a637e2b
sha256 3fb17643da112811d5ebc05b187b5944dcb86bc869e351e4983e73854d67661d
sha512 0016bc202eccdec50798ffa5091bbececb019afa9975329d6778be45897512a9ad86ad38f1f6d9ad99d5b90e2b52bf93e50717958b2566dd1c70f9b975131bfe
ripemd-160 9cf67e22385ebb39ac040121ffcb26bea80265ad

155115857 as geometric shapes

Circle

Radius = n
Diameter 310231714
Circumference 974621673.61297
Area 7.5589638076625E+16

Sphere

Radius = n
Volume 1.5633535320767E+25
Surface area 3.023585523065E+17
Circumference 974621673.61297

Square

Length = n
Perimeter 620463428
Area 24060929092844449
Diagonal 219366948.70853

Cube

Length = n
Surface area 144365574557066694
Volume 3.7322316364528E+24
Space diagonal 268668545.38359

Equilateral Triangle

Length = n
Perimeter 465347571
Area 1.041868791653E+16
Altitude 134334272.69179

Triangular Pyramid

Length = n
Surface area 1.041868791653E+16
Volume 4.3984771651579E+23
Height 73122316.236175