645155164 (number)

645155164 is an even 9-digits composite number following 645155163 and preceding 645155165. In scientific notation, it is written as 6.45155164 × 10^8. The sum of its digits is 37. It has a total of 3 prime factors and 6 positive divisors. There are 322577580 positive integers (up to 645155164) that are relatively prime to 645155164.

Interesting facts

Basic properties

Name

Name six hundred forty-five million one hundred fifty-five thousand one hundred sixty-four

Notation

Scientific notation 6.45155164 × 10^8
Engineering notation 6.45155164 × 10^6

Prime Factorization of 645155164

Prime Factorization 2 × 2 × 161288791

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 322577582
Product of the distinct prime numbers

The prime factorization of 645155164 is 2 × 2 × 161288791. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 645155164)

Multiplication

n×y
n×2 1290310328
n×3 1935465492
n×4 2580620656
n×5 3225775820

Division

n÷y
n÷2 322577582
n÷3 215051721.33333
n÷3 161288791
n÷5 129031032.8

Exponentiation

ny
n2 416225185635866896
n3 2.6852982789984E+26
n4 1.7324340515761E+35
n5 1.1176887746638E+44

Nth Root

y√n
2√n 25399.904802971
3√n 864.08153772952
4√n 159.37347584517
5√n 57.800665071186

Divisors of 645155164

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -645155163
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 645155164 can be divided by 6 positive divisors. The sum of these divisors (counting 645155164) is 1, the average is 0.16666666666667.

Base conversion 645155164

Base System Value
2 Binary 100110011101000100100101011100
3 Ternary 1122221222021111201
4 Quaternary 212131010211130
5 Quinary 2310124431124
6 Senary 144003525244
8 Octal 4635044534
10 Decimal 645155164
12 Duodecimal 160089824
16 Hexadecimal 2674495c
20 Vigesimal a1c47i4
36 Base36 ao3wws

Cryptographic Hash Functions

md5 46112ca280bea056f91d290cbd69958d
sha1 14b42a011a3155e682fd8e10d6bd6696a9ea07c0
sha256 ea0f4107ad5040f735ab04958ef0d0c1898997bc35e8c1094f29c5440dc3ca8c
sha512 cf840fd137e31d6da47f7afe71a9b502e5df26af21186aaf5254ce7630385578ee2e6e885f3b7e171996fae2f170fe301945423b1c0f8e6f6e4fa49b5feabdd1
ripemd-160 18edc7561448ae0819afddfd88ef05cbd18ed84c

645155164 as geometric shapes

Circle

Radius = n
Diameter 1290310328
Circumference 4053629447.2958
Area 1.3076099854327E+18

Sphere

Radius = n
Volume 1.1248151127998E+27
Surface area 5.2304399417307E+18
Circumference 4053629447.2958

Square

Length = n
Perimeter 2580620656
Area 416225185635866896
Diagonal 912387182.76384

Cube

Length = n
Surface area 2497351113815201376
Volume 2.6852982789984E+26
Space diagonal 1117441522.8134

Equilateral Triangle

Length = n
Perimeter 1935465492
Area 1.8023079222778E+17
Altitude 558720761.40672

Triangular Pyramid

Length = n
Surface area 1.8023079222778E+17
Volume 3.1646543709805E+25
Height 304129060.92128