638839931 (number)

638839931 is an odd 9-digits prime number following 638839930 and preceding 638839932. In scientific notation, it is written as 6.38839931 × 10^8. The sum of its digits is 50. It has a total of 1 prime factors and 2 positive divisors. There are 638839930 positive integers (up to 638839931) that are relatively prime to 638839931.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million eight hundred thirty-nine thousand nine hundred thirty-one

Notation

Scientific notation 6.38839931 × 10^8
Engineering notation 6.38839931 × 10^6

Prime Factorization of 638839931

Prime Factorization 638839931

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 638839931
Product of the distinct prime numbers

The prime factorization of 638839931 is 638839931. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 8, 92, 11, 762, 625, 6113, 2213, 78620, 11914, 17148, 527507, 8465819, 3969264, 70570764, 55816316, 899580051, 829367822, 7447606154, 2555442429

Basic calculations (n = 638839931)

Multiplication

n×y
n×2 1277679862
n×3 1916519793
n×4 2555359724
n×5 3194199655

Division

n÷y
n÷2 319419965.5
n÷3 212946643.66667
n÷3 159709982.75
n÷5 127767986.2

Exponentiation

ny
n2 408116457440084761
n3 2.6072108951099E+26
n4 1.6655904283344E+35
n5 1.0640456743114E+44

Nth Root

y√n
2√n 25275.283005339
3√n 861.25287507563
4√n 158.98202101288
5√n 57.68706065862

Divisors of 638839931

1, 638839931

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 638839932
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 319419966
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 25275.283025122
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999968693
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638839931 can be divided by 2 positive divisors. The sum of these divisors (counting 638839931) is 638839932, the average is 319419966.

Base conversion 638839931

Base System Value
2 Binary 100110000100111110110001111011
3 Ternary 1122112002102122012
4 Quaternary 212010332301323
5 Quinary 2302020334211
6 Senary 143220320135
8 Octal 4604766173
10 Decimal 638839931
12 Duodecimal 159b4304b
16 Hexadecimal 2613ec7b
20 Vigesimal 9jcejgb
36 Base36 akck1n

Cryptographic Hash Functions

md5 a84a6ef1886d77ecb18e32e361982988
sha1 4952df8ef5b0d05c619f9fe10ca6385d717bc1ce
sha256 8597d8dacefd9e5cfe8a1b4181c8a5a40f657037b50db8da3ec3f223536df70d
sha512 86c5377f0263eea1aa5c5dce9ef5386270cedcbc010cbb5f5044fe9659f1a19898c35c0f18bd2386ddc823de7d0ff4d586fd316511a68d983fae6cded28333a3
ripemd-160 759963643d89da48e0bd44dcd69b9cd948d1fe17

638839931 as geometric shapes

Circle

Radius = n
Diameter 1277679862
Circumference 4013949668.0988
Area 1.2821356645029E+18

Sphere

Radius = n
Volume 1.0921059459249E+27
Surface area 5.1285426580114E+18
Circumference 4013949668.0988

Square

Length = n
Perimeter 2555359724
Area 408116457440084761
Diagonal 903456094.60569

Cube

Length = n
Surface area 2448698744640508566
Volume 2.6072108951099E+26
Space diagonal 1106503218.3958

Equilateral Triangle

Length = n
Perimeter 1916519793
Area 1.7671960992281E+17
Altitude 553251609.1979

Triangular Pyramid

Length = n
Surface area 1.7671960992281E+17
Volume 3.0726275065261E+25
Height 301152031.53523