155655990 (number)

155655990 is an even 9-digits composite number following 155655989 and preceding 155655991. In scientific notation, it is written as 1.55655990 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 35578368 positive integers (up to 155655990) that are relatively prime to 155655990.

Interesting facts

Basic properties

Name

Name one hundred fifty-five million six hundred fifty-five thousand nine hundred ninety

Notation

Scientific notation 1.55655990 × 10^8
Engineering notation 1.55655990 × 10^6

Prime Factorization of 155655990

Prime Factorization 2 × 9 × 5 × 7 × 247073

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 155655990
Product of the distinct prime numbers

The prime factorization of 155655990 is 2 × 9 × 5 × 7 × 247073. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 155655990)

Multiplication

n×y
n×2 311311980
n×3 466967970
n×4 622623960
n×5 778279950

Division

n÷y
n÷2 77827995
n÷3 51885330
n÷3 38913997.5
n÷5 31131198

Exponentiation

ny
n2 24228787222880100
n3 3.7713558616768E+24
n4 5.870341302916E+32
n5 9.1375378714328E+40

Nth Root

y√n
2√n 12476.216974708
3√n 537.92526935177
4√n 111.69698731259
5√n 43.49438231529

Divisors of 155655990

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -155655989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 155655990 can be divided by 32 positive divisors. The sum of these divisors (counting 155655990) is 1, the average is 0.03125.

Base conversion 155655990

Base System Value
2 Binary 1001010001110001111100110110
3 Ternary 101211220010212200
4 Quaternary 21101301330312
5 Quinary 304321442430
6 Senary 23240125330
8 Octal 1121617466
10 Decimal 155655990
12 Duodecimal 44166846
16 Hexadecimal 9471f36
20 Vigesimal 28cgjja
36 Base36 2ko8xi

Cryptographic Hash Functions

md5 2e1308ad17d8441c849527143308476f
sha1 3c88d9e9fe254ac764bf4894c423b51d5bcbdde0
sha256 b74d6474a444954ddac3f585c9cec0a845a391c5c7585b06b8192c207fc8807b
sha512 85b00634aecbe6b3f050b8a48e8c3c1691a18c9b3a01ca7527726090c28a4e53e69539380950738316abae27dc1ea43df4882596a8b9ade584991ea32efd84ab
ripemd-160 f24fced6efd7b3fae9e19614826f90179f50b8df

155655990 as geometric shapes

Circle

Radius = n
Diameter 311311980
Circumference 978015429.34249
Area 7.611697994479E+16

Sphere

Radius = n
Volume 1.5797418492155E+25
Surface area 3.0446791977916E+17
Circumference 978015429.34249

Square

Length = n
Perimeter 622623960
Area 24228787222880100
Diagonal 220130812.12261

Cube

Length = n
Surface area 145372723337280600
Volume 3.7713558616768E+24
Space diagonal 269604083.18243

Equilateral Triangle

Length = n
Perimeter 466967970
Area 1.0491372618951E+16
Altitude 134802041.59122

Triangular Pyramid

Length = n
Surface area 1.0491372618951E+16
Volume 4.4445855067654E+23
Height 73376937.374204