639494920 (number)

639494920 is an even 9-digits composite number following 639494919 and preceding 639494921. In scientific notation, it is written as 6.39494920 × 10^8. The sum of its digits is 46. It has a total of 5 prime factors and 16 positive divisors. There are 255797952 positive integers (up to 639494920) that are relatively prime to 639494920.

Interesting facts

Basic properties

Name

Name six hundred thirty-nine million four hundred ninety-four thousand nine hundred twenty

Notation

Scientific notation 6.39494920 × 10^8
Engineering notation 6.39494920 × 10^6

Prime Factorization of 639494920

Prime Factorization 2 × 2 × 2 × 5 × 15987373

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 159873730
Product of the distinct prime numbers

The prime factorization of 639494920 is 2 × 2 × 2 × 5 × 15987373. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 9, 6, 17, 303, 829, 5056, 2697, 94295, 31858, 313646, 454415, 6784819, 5702992, 74520317, 32925113, 66043606, 590521892, 8703298160, 9228535803

Basic calculations (n = 639494920)

Multiplication

n×y
n×2 1278989840
n×3 1918484760
n×4 2557979680
n×5 3197474600

Division

n÷y
n÷2 319747460
n÷3 213164973.33333
n÷3 159873730
n÷5 127898984

Exponentiation

ny
n2 408953752705806400
n3 2.615238473703E+26
n4 1.6724317185216E+35
n5 1.0695115880414E+44

Nth Root

y√n
2√n 25288.236791046
3√n 861.54711595996
4√n 159.02275557619
5√n 57.698884873749

Divisors of 639494920

1, 2, 4, 5, 8, 10, 20, 40, 15987373, 31974746, 63949492, 79936865, 127898984, 159873730, 319747460, 639494920

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 -639494919
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 639494920 can be divided by 16 positive divisors. The sum of these divisors (counting 639494920) is 1, the average is 0.0625.

Base conversion 639494920

Base System Value
2 Binary 100110000111011110101100001000
3 Ternary 1122120022201010001
4 Quaternary 212013132230020
5 Quinary 2302202314140
6 Senary 143242332344
8 Octal 4607365410
10 Decimal 639494920
12 Duodecimal 15a1ba0b4
16 Hexadecimal 261deb08
20 Vigesimal 9jggh60
36 Base36 akqlfs

Cryptographic Hash Functions

md5 a4822c5cfe18e42c676bd593e831e1da
sha1 9bbb7f8347371e92aad1d9476b3ebbc3eeb0d72f
sha256 1435c4553c6a114baf60f660f3c4892cd5a100f4d25ea3c3f8ed25b89a19e2f4
sha512 6a1e9b9b3b9c8de0842a2b7a6f0353cf17fcf38b37b798fc67f2163a49023a7178fe1fb125ce5e6b1879439223d1428cc92d91a7aeefaef6dac428115e9e7228
ripemd-160 56b21d3ef400b0cb79cb2c0e1e78814fdc4819d4

639494920 as geometric shapes

Circle

Radius = n
Diameter 1278989840
Circumference 4018065085.36
Area 1.2847661051585E+18

Sphere

Radius = n
Volume 1.0954685301828E+27
Surface area 5.1390644206342E+18
Circumference 4018065085.36

Square

Length = n
Perimeter 2557979680
Area 408953752705806400
Diagonal 904382388.9327

Cube

Length = n
Surface area 2453722516234838400
Volume 2.615238473703E+26
Space diagonal 1107637692.6222

Equilateral Triangle

Length = n
Perimeter 1918484760
Area 1.770821694081E+17
Altitude 553818846.3111

Triangular Pyramid

Length = n
Surface area 1.770821694081E+17
Volume 3.0820880986256E+25
Height 301460796.3109