638897778 (number)

638897778 is an even 9-digits composite number following 638897777 and preceding 638897779. In scientific notation, it is written as 6.38897778 × 10^8. The sum of its digits is 63. It has a total of 4 prime factors and 16 positive divisors. There are 212668632 positive integers (up to 638897778) that are relatively prime to 638897778.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred ninety-seven thousand seven hundred seventy-eight

Notation

Scientific notation 6.38897778 × 10^8
Engineering notation 6.38897778 × 10^6

Prime Factorization of 638897778

Prime Factorization 2 × 9 × 727 × 48823

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638897778
Product of the distinct prime numbers

The prime factorization of 638897778 is 2 × 9 × 727 × 48823. Since it has a total of 4 prime factors.

Most popular turbo-numbers

3, 9, 83, 76, 964, 296, 8681, 1703, 18622, 40365, 189010, 94195, 292721, 9486954, 95812643, 31891456, 710168403, 284811293, 7751344654, 8477465200

Basic calculations (n = 638897778)

Multiplication

n×y
n×2 1277795556
n×3 1916693334
n×4 2555591112
n×5 3194488890

Division

n÷y
n÷2 319448889
n÷3 212965926
n÷3 159724444.5
n÷5 127779555.6

Exponentiation

ny
n2 408190370733337284
n3 2.6079192086253E+26
n4 1.6661937875942E+35
n5 1.0645275086113E+44

Nth Root

y√n
2√n 25276.427318749
3√n 861.27886979353
4√n 158.98561984893
5√n 57.68810533425

Divisors of 638897778

1, 2, 9, 18, 727, 1454, 6543, 13086, 48823, 97646, 439407, 878814, 35494321, 70988642, 319448889, 638897778

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 -638897777
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 638897778 can be divided by 16 positive divisors. The sum of these divisors (counting 638897778) is 1, the average is 0.0625.

Base conversion 638897778

Base System Value
2 Binary 100110000101001100111001110010
3 Ternary 1122112012100222200
4 Quaternary 212011030321302
5 Quinary 2302024212103
6 Senary 143221444030
8 Octal 4605147162
10 Decimal 638897778
12 Duodecimal 159b70616
16 Hexadecimal 2614ce72
20 Vigesimal 9jd248i
36 Base36 akdsoi

Cryptographic Hash Functions

md5 e74444bb4ccc119429a9f9ac33aeec20
sha1 85d5f1de5187c11fb4d470deac8736c7c5d1c379
sha256 3e988d427ce406015fa66ee427e68cf1412693bf368fece49e3e02d68bbc907c
sha512 e5471c916b88d270f2a5d5df750b29ab3229a8564742ad7c3e0124ee2338a835c4e61ff61465d6f7117e5b60655682c3c389bd3c5779b2a9c6e6e326c1c1fe84
ripemd-160 259a8070d3915d40ac862899703060e9edafa8cc

638897778 as geometric shapes

Circle

Radius = n
Diameter 1277795556
Circumference 4014313131.5193
Area 1.2823678699619E+18

Sphere

Radius = n
Volume 1.0924026435964E+27
Surface area 5.1294714798478E+18
Circumference 4014313131.5193

Square

Length = n
Perimeter 2555591112
Area 408190370733337284
Diagonal 903537902.61763

Cube

Length = n
Surface area 2449142224400023704
Volume 2.6079192086253E+26
Space diagonal 1106603412.3389

Equilateral Triangle

Length = n
Perimeter 1916693334
Area 1.7675161531763E+17
Altitude 553301706.16943

Triangular Pyramid

Length = n
Surface area 1.7675161531763E+17
Volume 3.0734622620093E+25
Height 301179300.87255