638996788 (number)

638996788 is an even 9-digits composite number following 638996787 and preceding 638996789. In scientific notation, it is written as 6.38996788 × 10^8. The sum of its digits is 64. It has a total of 5 prime factors and 24 positive divisors. There are 307721568 positive integers (up to 638996788) that are relatively prime to 638996788.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million nine hundred ninety-six thousand seven hundred eighty-eight

Notation

Scientific notation 6.38996788 × 10^8
Engineering notation 6.38996788 × 10^6

Prime Factorization of 638996788

Prime Factorization 2 × 2 × 29 × 419 × 13147

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 319498394
Product of the distinct prime numbers

The prime factorization of 638996788 is 2 × 2 × 29 × 419 × 13147. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 4, 97, 65, 498, 823, 7267, 2492, 89568, 43308, 321728, 635312, 1776972, 2352523, 41487349, 195890, 117578789, 301938828, 4074764393, 8314950444

Basic calculations (n = 638996788)

Multiplication

n×y
n×2 1277993576
n×3 1916990364
n×4 2555987152
n×5 3194983940

Division

n÷y
n÷2 319498394
n÷3 212998929.33333
n÷3 159749197
n÷5 127799357.6

Exponentiation

ny
n2 408316895074316944
n3 2.6091318443862E+26
n4 1.6672268680313E+35
n5 1.0653526135393E+44

Nth Root

y√n
2√n 25278.385787071
3√n 861.32335829606
4√n 158.99177899209
5√n 57.689893208768

Divisors of 638996788

1, 2, 4, 29, 58, 116, 419, 838, 1676, 12151, 13147, 24302, 26294, 48604, 52588, 381263, 762526, 1525052, 5508593, 11017186, 22034372, 159749197, 319498394, 638996788

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638996787
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638996788 can be divided by 24 positive divisors. The sum of these divisors (counting 638996788) is 1, the average is 0.041666666666667.

Base conversion 638996788

Base System Value
2 Binary 100110000101100101000100110100
3 Ternary 1122112101101210201
4 Quaternary 212011211010310
5 Quinary 2302040344123
6 Senary 143223530244
8 Octal 4605450464
10 Decimal 638996788
12 Duodecimal 159bb9984
16 Hexadecimal 26165134
20 Vigesimal 9jdebj8
36 Base36 akfx2s

Cryptographic Hash Functions

md5 a67f2b2dba5e49fbfbe923e0aef8e15a
sha1 b2b05c7e7b46c28f79c164c4d58d3b51e71545a0
sha256 5104cf0362c4049513d3234332e0cb814e366b1814a2d8e7def16cc3be25e6bf
sha512 828f87e135568f63e0fd49f714cbb315cf77a8022223d766ce8b693b4a6b0e5e5c7559d2ebce6411c2d4f75e8f934f3cc0b68b0b7fc8c37cdcc62db3ab3df8dd
ripemd-160 81c9368f67b1701ac37d509fa533916cdc591037

638996788 as geometric shapes

Circle

Radius = n
Diameter 1277993576
Circumference 4014935229.6965
Area 1.2827653579021E+18

Sphere

Radius = n
Volume 1.0929105912761E+27
Surface area 5.1310614316083E+18
Circumference 4014935229.6965

Square

Length = n
Perimeter 2555987152
Area 408316895074316944
Diagonal 903677923.90245

Cube

Length = n
Surface area 2449901370445901664
Volume 2.6091318443862E+26
Space diagonal 1106774902.6893

Equilateral Triangle

Length = n
Perimeter 1916990364
Area 1.7680640196437E+17
Altitude 553387451.34466

Triangular Pyramid

Length = n
Surface area 1.7680640196437E+17
Volume 3.0748913669588E+25
Height 301225974.63415