639697660 (number)

639697660 is an even 9-digits composite number following 639697659 and preceding 639697661. In scientific notation, it is written as 6.39697660 × 10^8. The sum of its digits is 52. It has a total of 6 prime factors and 48 positive divisors. There are 211760640 positive integers (up to 639697660) that are relatively prime to 639697660.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million six hundred ninety-seven thousand six hundred sixty

Notation

Scientific notation 6.39697660 × 10^8
Engineering notation 6.39697660 × 10^6

Prime Factorization of 639697660

Prime Factorization 2 × 2 × 5 × 7 × 29 × 157561

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 319848830
Product of the distinct prime numbers

The prime factorization of 639697660 is 2 × 2 × 5 × 7 × 29 × 157561. Since it has a total of 6 prime factors.

Most popular turbo-numbers

Basic calculations (n = 639697660)

Multiplication

n×y
n×2 1279395320
n×3 1919092980
n×4 2558790640
n×5 3198488300

Division

n÷y
n÷2 319848830
n÷3 213232553.33333
n÷3 159924415
n÷5 127939532

Exponentiation

ny
n2 409213096209475600
n3 2.6177266008656E+26
n4 1.6745535810935E+35
n5 1.0712080073701E+44

Nth Root

y√n
2√n 25292.245056539
3√n 861.63815218321
4√n 159.03535788163
5√n 57.702542882092

Divisors of 639697660

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -639697659
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 639697660 can be divided by 48 positive divisors. The sum of these divisors (counting 639697660) is 1, the average is 0.020833333333333.

Base conversion 639697660

Base System Value
2 Binary 100110001000010000001011111100
3 Ternary 1122120201000012221
4 Quaternary 212020100023330
5 Quinary 2302230311120
6 Senary 143250535124
8 Octal 4610201374
10 Decimal 639697660
12 Duodecimal 15a2974a4
16 Hexadecimal 262102fc
20 Vigesimal 9ji2430
36 Base36 akuxvg

Cryptographic Hash Functions

md5 bae600a34278a5a8d31ff0d8bb127048
sha1 d44e23f76f9862367b4e311003b1dd7c3a6e9a4f
sha256 8da562cb06f8dce25e0459ef0685141581839533d1968c7f1e9e669a8b9925fa
sha512 074b9a0ba0c1af374faa3f6c2f1e01ef49ce761be5ca9175a5746c82ff94e176e56fd84128f05c4eb1604e5fc175beed215c847a7001b9425188d0c47d987683
ripemd-160 aa830bdc1928bbe884684e7bea6b3128141992b6

639697660 as geometric shapes

Circle

Radius = n
Diameter 1279395320
Circumference 4019338938.3492
Area 1.2855808568044E+18

Sphere

Radius = n
Volume 1.0965107544514E+27
Surface area 5.1423234272177E+18
Circumference 4019338938.3492

Square

Length = n
Perimeter 2558790640
Area 409213096209475600
Diagonal 904669106.59033

Cube

Length = n
Surface area 2455278577256853600
Volume 2.6177266008656E+26
Space diagonal 1107988848.6029

Equilateral Triangle

Length = n
Perimeter 1919092980
Area 1.7719446843935E+17
Altitude 553994424.30146

Triangular Pyramid

Length = n
Surface area 1.7719446843935E+17
Volume 3.0850203846074E+25
Height 301556368.86344