638406780 (number)

638406780 is an even 9-digits composite number following 638406779 and preceding 638406781. In scientific notation, it is written as 6.38406780 × 10^8. The sum of its digits is 42. It has a total of 6 prime factors and 48 positive divisors. There are 145617920 positive integers (up to 638406780) that are relatively prime to 638406780.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million four hundred six thousand seven hundred eighty

Notation

Scientific notation 6.38406780 × 10^8
Engineering notation 6.38406780 × 10^6

Prime Factorization of 638406780

Prime Factorization 2 × 2 × 15 × 187 × 17 × 3347

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 319203390
Product of the distinct prime numbers

The prime factorization of 638406780 is 2 × 2 × 15 × 187 × 17 × 3347. Since it has a total of 6 prime factors.

Most popular turbo-numbers

1, 4, 35, 41, 695, 361, 9739, 8426, 96407, 77171, 647406, 594822, 8030702, 9737339, 39731607, 21458482, 56904336, 34197439, 1045522246, 3684949752

Basic calculations (n = 638406780)

Multiplication

n×y
n×2 1276813560
n×3 1915220340
n×4 2553627120
n×5 3192033900

Division

n÷y
n÷2 319203390
n÷3 212802260
n÷3 159601695
n÷5 127681356

Exponentiation

ny
n2 407563216749968400
n3 2.6019112085179E+26
n4 1.6610777564758E+35
n5 1.0604433018414E+44

Nth Root

y√n
2√n 25266.712884742
3√n 861.05818004012
4√n 158.95506561523
5√n 57.679235854201

Divisors of 638406780

1, 2, 4, 15, 17, 30, 34, 60, 68, 187, 255, 374, 510, 748, 1020, 2805, 3179, 3347, 5610, 6358, 6694, 11220, 12716, 13388, 47685, 50205, 56899, 95370, 100410, 113798, 190740, 200820, 227596, 625889, 853485, 1251778, 1706970, 2503556, 3413940, 9388335, 10640113, 18776670, 21280226, 37553340, 42560452, 159601695, 319203390, 638406780

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 -638406779
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 638406780 can be divided by 48 positive divisors. The sum of these divisors (counting 638406780) is 1, the average is 0.020833333333333.

Base conversion 638406780

Base System Value
2 Binary 100110000011010101000001111100
3 Ternary 1122111021102110120
4 Quaternary 212003111001330
5 Quinary 2301413004110
6 Senary 143203134540
8 Octal 4603250174
10 Decimal 638406780
12 Duodecimal 159974450
16 Hexadecimal 260d507c
20 Vigesimal 9ja0gj0
36 Base36 ak39to

Cryptographic Hash Functions

md5 ac679fd0965063c91b0e60c574fb9943
sha1 f2b46d3008d5e4f4962f8464b07adb4b8be222d8
sha256 a2cb83dc6777f81e07235e1b1a94c25334e60f762b5fc9e51356e897c8a4f533
sha512 b554ba63913a0a5d628c9d5151c26b06038b21e77fb0e36ca79c5ddaacef9d4140f17a4b3f10ceff03df5a2db5ab98558fcb263462c0d05c2b5e43ddd9c1785c
ripemd-160 2d15b41fca29fce822a8ae4d0cad90980348b5df

638406780 as geometric shapes

Circle

Radius = n
Diameter 1276813560
Circumference 4011228100.0998
Area 1.2803976076151E+18

Sphere

Radius = n
Volume 1.0898860183964E+27
Surface area 5.1215904304605E+18
Circumference 4011228100.0998

Square

Length = n
Perimeter 2553627120
Area 407563216749968400
Diagonal 902843526.58694

Cube

Length = n
Surface area 2445379300499810400
Volume 2.6019112085179E+26
Space diagonal 1105752978.8564

Equilateral Triangle

Length = n
Perimeter 1915220340
Area 1.7648004967679E+17
Altitude 552876489.42822

Triangular Pyramid

Length = n
Surface area 1.7648004967679E+17
Volume 3.0663817659805E+25
Height 300947842.19565