640968903 (number)

640968903 is an odd 9-digits composite number following 640968902 and preceding 640968904. In scientific notation, it is written as 6.40968903 × 10^8. The sum of its digits is 45. It has a total of 5 prime factors and 16 positive divisors. There are 427106520 positive integers (up to 640968903) that are relatively prime to 640968903.

Interesting facts

Basic properties

Name

Name six hundred forty million nine hundred sixty-eight thousand nine hundred three

Notation

Scientific notation 6.40968903 × 10^8
Engineering notation 6.40968903 × 10^6

Prime Factorization of 640968903

Prime Factorization 3 × 3 × 3 × 2719 × 8731

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 71218767
Product of the distinct prime numbers

The prime factorization of 640968903 is 3 × 3 × 3 × 2719 × 8731. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 640968903)

Multiplication

n×y
n×2 1281937806
n×3 1922906709
n×4 2563875612
n×5 3204844515

Division

n÷y
n÷2 320484451.5
n÷3 213656301
n÷3 160242225.75
n÷5 128193780.6

Exponentiation

ny
n2 410841134613023409
n3 2.6333639136018E+26
n4 1.6879043789012E+35
n5 1.0818942181132E+44

Nth Root

y√n
2√n 25317.363666069
3√n 862.20853970463
4√n 159.11431006063
5√n 57.725458618228

Divisors of 640968903

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 -640968902
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 640968903 can be divided by 16 positive divisors. The sum of these divisors (counting 640968903) is 1, the average is 0.0625.

Base conversion 640968903

Base System Value
2 Binary 100110001101000110100011000111
3 Ternary 1122200002121001000
4 Quaternary 212031012203013
5 Quinary 2303042001103
6 Senary 143334104343
8 Octal 4615064307
10 Decimal 640968903
12 Duodecimal 15a7ab0b3
16 Hexadecimal 263468c7
20 Vigesimal a061253
36 Base36 alm6rr

Cryptographic Hash Functions

md5 654b6548e6e81370eded9513be72e96e
sha1 197243745ea5b50e75b041fd48d7980acb506ebc
sha256 fa1dc988e0a2a862fa4f1769acb4230b0240f6128cada0c5658fd03f82a635f3
sha512 534bf9a75c92b3d66bb69c8a5ee18a9085933e818a2117df4214a6dd0785e8c05bc78d5c69da07c13e45a56a071d2084cf68ab607d59e7ece3dbd459a163500a
ripemd-160 396cf23fd17da89c8409b6c7b8803b3ad504a743

640968903 as geometric shapes

Circle

Radius = n
Diameter 1281937806
Circumference 4027326393.6886
Area 1.2906954902928E+18

Sphere

Radius = n
Volume 1.1030608966933E+27
Surface area 5.1627819611711E+18
Circumference 4027326393.6886

Square

Length = n
Perimeter 2563875612
Area 410841134613023409
Diagonal 906466915.682

Cube

Length = n
Surface area 2465046807678140454
Volume 2.6333639136018E+26
Space diagonal 1110190706.0677

Equilateral Triangle

Length = n
Perimeter 1922906709
Area 1.7789942974725E+17
Altitude 555095353.03384

Triangular Pyramid

Length = n
Surface area 1.7789942974725E+17
Volume 3.1034491343997E+25
Height 302155638.56067