638406937 (number)

638406937 is an odd 9-digits composite number following 638406936 and preceding 638406938. In scientific notation, it is written as 6.38406937 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 12 positive divisors. There are 539495880 positive integers (up to 638406937) that are relatively prime to 638406937.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38406937 × 10^8
Engineering notation 6.38406937 × 10^6

Prime Factorization of 638406937

Prime Factorization 7 × 7 × 71 × 183503

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 91200991
Product of the distinct prime numbers

The prime factorization of 638406937 is 7 × 7 × 71 × 183503. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 1, 78, 38, 78, 992, 2769, 8936, 66321, 79029, 329419, 467298, 4280453, 1177790, 378913, 95559972, 792693753, 486316354, 1474081357, 143147855

Basic calculations (n = 638406937)

Multiplication

n×y
n×2 1276813874
n×3 1915220811
n×4 2553627748
n×5 3192034685

Division

n÷y
n÷2 319203468.5
n÷3 212802312.33333
n÷3 159601734.25
n÷5 127681387.4

Exponentiation

ny
n2 407563417209721969
n3 2.6019131281411E+26
n4 1.6610793904767E+35
n5 1.060444605788E+44

Nth Root

y√n
2√n 25266.715991597
3√n 861.05825062527
4√n 158.95507538797
5√n 57.679238691151

Divisors of 638406937

1, 7, 49, 71, 497, 3479, 183503, 1284521, 8991647, 13028713, 91200991, 638406937

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638406936
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638406937 can be divided by 12 positive divisors. The sum of these divisors (counting 638406937) is 1, the average is 0.083333333333333.

Base conversion 638406937

Base System Value
2 Binary 100110000011010101000100011001
3 Ternary 1122111021102200101
4 Quaternary 212003111010121
5 Quinary 2301413010222
6 Senary 143203135401
8 Octal 4603250431
10 Decimal 638406937
12 Duodecimal 159974561
16 Hexadecimal 260d5119
20 Vigesimal 9ja0h6h
36 Base36 ak39y1

Cryptographic Hash Functions

md5 5ae92c165ca79817d2d3efccfcf92368
sha1 18d891c0300a95a4d6a4bb065aacd21d1dee5273
sha256 8eafc5c9a2b9aa7f5cfc5ee5cef22a10a9062e6193f356dc84c4903a80de7c11
sha512 adcbcf3abefd515619ee4f8c0b499704ea3356b7c5747c83896d65e46653ed7b1f883746e2546819ba4c3568e4a2d084a82ff4ca6e5abdedb4140ddf77ff0213
ripemd-160 b2e1c230c967d5e74e59b1261e56f79388aee0fd

638406937 as geometric shapes

Circle

Radius = n
Diameter 1276813874
Circumference 4011229086.5599
Area 1.280398237378E+18

Sphere

Radius = n
Volume 1.0898868224863E+27
Surface area 5.1215929495121E+18
Circumference 4011229086.5599

Square

Length = n
Perimeter 2553627748
Area 407563417209721969
Diagonal 902843748.61847

Cube

Length = n
Surface area 2445380503258331814
Volume 2.6019131281411E+26
Space diagonal 1105753250.7884

Equilateral Triangle

Length = n
Perimeter 1915220811
Area 1.7648013647841E+17
Altitude 552876625.39421

Triangular Pyramid

Length = n
Surface area 1.7648013647841E+17
Volume 3.0663840282781E+25
Height 300947916.20616