645720123 (number)

645720123 is an odd 9-digits composite number following 645720122 and preceding 645720124. In scientific notation, it is written as 6.45720123 × 10^8. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 427622400 positive integers (up to 645720123) that are relatively prime to 645720123.

Interesting facts

Basic properties

Name

Name six hundred forty-five million seven hundred twenty thousand one hundred twenty-three

Notation

Scientific notation 6.45720123 × 10^8
Engineering notation 6.45720123 × 10^6

Prime Factorization of 645720123

Prime Factorization 3 × 233 × 577 × 1601

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 645720123
Product of the distinct prime numbers

The prime factorization of 645720123 is 3 × 233 × 577 × 1601. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 8, 95, 86, 475, 532, 9348, 2634, 46245, 93992, 253458, 266564, 2686748, 8950207, 1394308, 11511503, 304750333, 727758457, 7896834640, 5866564997

Basic calculations (n = 645720123)

Multiplication

n×y
n×2 1291440246
n×3 1937160369
n×4 2582880492
n×5 3228600615

Division

n÷y
n÷2 322860061.5
n÷3 215240041
n÷3 161430030.75
n÷5 129144024.6

Exponentiation

ny
n2 416954477247135129
n3 2.6923589633342E+26
n4 1.7385103609643E+35
n5 1.1225911241187E+44

Nth Root

y√n
2√n 25411.023651164
3√n 864.33368803476
4√n 159.40835502308
5√n 57.810784675101

Divisors of 645720123

1, 3, 233, 577, 699, 1601, 1731, 4803, 134441, 373033, 403323, 923777, 1119099, 2771331, 215240041, 645720123

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 -645720122
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 645720123 can be divided by 16 positive divisors. The sum of these divisors (counting 645720123) is 1, the average is 0.0625.

Base conversion 645720123

Base System Value
2 Binary 100110011111001110100000111011
3 Ternary 1200000000222111010
4 Quaternary 212133032200323
5 Quinary 2310301020443
6 Senary 144024005003
8 Octal 4637164073
10 Decimal 645720123
12 Duodecimal 160300763
16 Hexadecimal 267ce83b
20 Vigesimal a1ff063
36 Base36 aog0u3

Cryptographic Hash Functions

md5 a9a6a38e50c74426bc71653efac943d2
sha1 cf0e2f73987bab3bbba9b09758833bf720cc52d0
sha256 cb9e82ab4a777b825b8fef6af027a0f9343c7766125bc2388d31a0551fa5e040
sha512 a78c879a36be6e31a61bbff112df7c33e177c492dc32a603bf1a1221c486fe918478f886219f2afc5f97a7fe9f0c722cc5b1166b556b90c4cef5d133b8d62950
ripemd-160 421dfa52d815aa5eb95544fda0daf0d891baf006

645720123 as geometric shapes

Circle

Radius = n
Diameter 1291440246
Circumference 4057179189.3838
Area 1.309901122601E+18

Sphere

Radius = n
Volume 1.1277726853383E+27
Surface area 5.2396044904039E+18
Circumference 4057179189.3838

Square

Length = n
Perimeter 2582880492
Area 416954477247135129
Diagonal 913186155.44382

Cube

Length = n
Surface area 2501726863482810774
Volume 2.6923589633342E+26
Space diagonal 1118420060.5056

Equilateral Triangle

Length = n
Perimeter 1937160369
Area 1.8054658475884E+17
Altitude 559210030.25281

Triangular Pyramid

Length = n
Surface area 1.8054658475884E+17
Volume 3.17297546727E+25
Height 304395385.14794