155220985 (number)

155220985 is an odd 9-digits composite number following 155220984 and preceding 155220986. In scientific notation, it is written as 1.55220985 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 124176784 positive integers (up to 155220985) that are relatively prime to 155220985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.55220985 × 10^8
Engineering notation 1.55220985 × 10^6

Prime Factorization of 155220985

Prime Factorization 5 × 31044197

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 155220985
Product of the distinct prime numbers

The prime factorization of 155220985 is 5 × 31044197. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 59, 84, 664, 661, 2441, 8510, 88889, 35180, 502396, 969341, 8757918, 8466008, 90084889, 82304884, 382142666, 682564409, 3921351365, 4450514587

Basic calculations (n = 155220985)

Multiplication

n×y
n×2 310441970
n×3 465662955
n×4 620883940
n×5 776104925

Division

n÷y
n÷2 77610492.5
n÷3 51740328.333333
n÷3 38805246.25
n÷5 31044197

Exponentiation

ny
n2 24093554184370225
n3 3.7398252126488E+24
n4 5.8049935323518E+32
n5 9.0105681401028E+40

Nth Root

y√n
2√n 12458.771408128
3√n 537.42369639757
4√n 111.61886672122
5√n 43.470044723683

Divisors of 155220985

1, 5, 31044197, 155220985

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 -155220984
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 155220985 can be divided by 4 positive divisors. The sum of these divisors (counting 155220985) is 1, the average is 0.25.

Base conversion 155220985

Base System Value
2 Binary 1001010000000111101111111001
3 Ternary 101211002001011101
4 Quaternary 21100013233321
5 Quinary 304214032420
6 Senary 23222531401
8 Octal 1120075771
10 Decimal 155220985
12 Duodecimal 43b96b61
16 Hexadecimal 9407bf9
20 Vigesimal 28a2c95
36 Base36 2kexa1

Cryptographic Hash Functions

md5 30cd43bdda136da4d4f05db6dba4e661
sha1 87d8cdde53bfd10cbd0ccdc9693f6aa4e3ea134e
sha256 368cce3e875fc36d88869efb45ea7ff4a81e20cf472c0be268ee44fa2db2eeab
sha512 64a26d1664593402e8f0baa0f7d0e40c45a344a3a1700d2248d4f32ca46d396ee452c1c61b95eaffb85d012f1b0f6f071a5386a6390321ef0b7d60701236664a
ripemd-160 2820609981126bdd36aef104b4b1beca95c1fbb2

155220985 as geometric shapes

Circle

Radius = n
Diameter 310441970
Circumference 975282212.31794
Area 7.5692132824485E+16

Sphere

Radius = n
Volume 1.5665343218357E+25
Surface area 3.0276853129794E+17
Circumference 975282212.31794

Square

Length = n
Perimeter 620883940
Area 24093554184370225
Diagonal 219515622.15191

Cube

Length = n
Surface area 144561325106221350
Volume 3.7398252126488E+24
Space diagonal 268850632.42089

Equilateral Triangle

Length = n
Perimeter 465662955
Area 1.0432814995561E+16
Altitude 134425316.21044

Triangular Pyramid

Length = n
Surface area 1.0432814995561E+16
Volume 4.4074262805273E+23
Height 73171874.050637