155442945 (number)

155442945 is an odd 9-digits composite number following 155442944 and preceding 155442946. In scientific notation, it is written as 1.55442945 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 69874560 positive integers (up to 155442945) that are relatively prime to 155442945.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million four hundred forty-two thousand nine hundred forty-five

Notation

Scientific notation 1.55442945 × 10^8
Engineering notation 1.55442945 × 10^6

Prime Factorization of 155442945

Prime Factorization 105 × 7 × 61 × 3467

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 155442945
Product of the distinct prime numbers

The prime factorization of 155442945 is 105 × 7 × 61 × 3467. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 28, 36, 875, 371, 3275, 8891, 21994, 86426, 711254, 30145, 8312075, 7121204, 92354189, 14399691, 486366642, 154531178, 5850413470, 7928968569

Basic calculations (n = 155442945)

Multiplication

n×y
n×2 310885890
n×3 466328835
n×4 621771780
n×5 777214725

Division

n÷y
n÷2 77721472.5
n÷3 51814315
n÷3 38860736.25
n÷5 31088589

Exponentiation

ny
n2 24162509150273025
n3 3.7558915809079E+24
n4 5.8382684843703E+32
n5 9.075176469112E+40

Nth Root

y√n
2√n 12467.676006377
3√n 537.67973941991
4√n 111.65874800649
5√n 43.482469715061

Divisors of 155442945

1, 7, 61, 105, 427, 735, 3467, 6405, 24269, 44835, 211487, 364035, 1480409, 2548245, 22206135, 155442945

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -155442944
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 155442945 can be divided by 16 positive divisors. The sum of these divisors (counting 155442945) is 1, the average is 0.0625.

Base conversion 155442945

Base System Value
2 Binary 1001010000111101111100000001
3 Ternary 101211111022122010
4 Quaternary 21100331330001
5 Quinary 304243133240
6 Senary 23231403133
8 Octal 1120757401
10 Decimal 155442945
12 Duodecimal 440834a9
16 Hexadecimal 943df01
20 Vigesimal 28ba775
36 Base36 2kjojl

Cryptographic Hash Functions

md5 a7227e4f81a7dc209311f62cbb89967b
sha1 3b19c09fbef764977df4d3df67ee43d033d2ec8d
sha256 544257e94d5fbe4275b68d7c0109f0bc8cb2675cc9bb09f42d70b57dba80089e
sha512 e9b563a8933b0f8f8bd993cdf1b1ee3def99752f9aa2e0ee875040513d1dafd2f7d9e5fb04974c095398d458ae5ca693aeff61e4a4aa591773d9c4b507c416db
ripemd-160 6c235c4a3e9091ca66ca3642af550b0b8368a449

155442945 as geometric shapes

Circle

Radius = n
Diameter 310885890
Circumference 976676828.12872
Area 7.5908761238794E+16

Sphere

Radius = n
Volume 1.5732641864347E+25
Surface area 3.0363504495518E+17
Circumference 976676828.12872

Square

Length = n
Perimeter 621771780
Area 24162509150273025
Diagonal 219829520.99422

Cube

Length = n
Surface area 144975054901638150
Volume 3.7558915809079E+24
Space diagonal 269235078.41813

Equilateral Triangle

Length = n
Perimeter 466328835
Area 1.0462673371655E+16
Altitude 134617539.20907

Triangular Pyramid

Length = n
Surface area 1.0462673371655E+16
Volume 4.4263606771024E+23
Height 73276506.998072