639451640 (number)

639451640 is an even 9-digits composite number following 639451639 and preceding 639451641. In scientific notation, it is written as 6.39451640 × 10^8. The sum of its digits is 38. It has a total of 5 prime factors and 16 positive divisors. There are 255780640 positive integers (up to 639451640) that are relatively prime to 639451640.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million four hundred fifty-one thousand six hundred forty

Notation

Scientific notation 6.39451640 × 10^8
Engineering notation 6.39451640 × 10^6

Prime Factorization of 639451640

Prime Factorization 2 × 2 × 2 × 5 × 15986291

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159862910
Product of the distinct prime numbers

The prime factorization of 639451640 is 2 × 2 × 2 × 5 × 15986291. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 9, 82, 71, 511, 226, 1432, 9100, 36846, 75994, 676163, 249232, 6251289, 5011109, 88659799, 79373690, 708068283, 331299510, 4781791119, 3407710784

Basic calculations (n = 639451640)

Multiplication

n×y
n×2 1278903280
n×3 1918354920
n×4 2557806560
n×5 3197258200

Division

n÷y
n÷2 319725820
n÷3 213150546.66667
n÷3 159862910
n÷5 127890328

Exponentiation

ny
n2 408898399898689600
n3 2.6147075240859E+26
n4 1.6719790143971E+35
n5 1.0691497228018E+44

Nth Root

y√n
2√n 25287.381042726
3√n 861.52767947489
4√n 159.02006490605
5√n 57.698103858837

Divisors of 639451640

1, 2, 4, 5, 8, 10, 20, 40, 15986291, 31972582, 63945164, 79931455, 127890328, 159862910, 319725820, 639451640

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 -639451639
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 639451640 can be divided by 16 positive divisors. The sum of these divisors (counting 639451640) is 1, the average is 0.0625.

Base conversion 639451640

Base System Value
2 Binary 100110000111010100000111111000
3 Ternary 1122120020111202002
4 Quaternary 212013110013320
5 Quinary 2302144423030
6 Senary 143241400132
8 Octal 4607240770
10 Decimal 639451640
12 Duodecimal 15a199048
16 Hexadecimal 261d41f8
20 Vigesimal 9jgb920
36 Base36 akpo1k

Cryptographic Hash Functions

md5 59c1c44b8cf214a3aef40ef3b7daf0b7
sha1 c1d851ccf17e69e441e7c088523fa37ffaf3a5dc
sha256 061d13f98966c11e355c31a2b3cc2328139316dfbe211514c24336784879ed96
sha512 e991b3da3701f0c4cadd1b174df34bfa2154857a8ef5fefd9ddd6ae0cd83c6af714a6e7b6266a486a3ba017132679a8fd44c8f848319459c714938b2505e0708
ripemd-160 fa115581bc5a1aefbc31b3e2a5103ab9d44b19a4

639451640 as geometric shapes

Circle

Radius = n
Diameter 1278903280
Circumference 4017793149.0999
Area 1.2845922091863E+18

Sphere

Radius = n
Volume 1.0952461265272E+27
Surface area 5.1383688367454E+18
Circumference 4017793149.0999

Square

Length = n
Perimeter 2557806560
Area 408898399898689600
Diagonal 904321181.76972

Cube

Length = n
Surface area 2453390399392137600
Volume 2.6147075240859E+26
Space diagonal 1107562729.4632

Equilateral Triangle

Length = n
Perimeter 1918354920
Area 1.7705820093954E+17
Altitude 553781364.73162

Triangular Pyramid

Length = n
Surface area 1.7705820093954E+17
Volume 3.0814623685011E+25
Height 301440393.92324