638406947 (number)

638406947 is an odd 9-digits composite number following 638406946 and preceding 638406948. In scientific notation, it is written as 6.38406947 × 10^8. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 632757216 positive integers (up to 638406947) that are relatively prime to 638406947.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38406947 × 10^8
Engineering notation 6.38406947 × 10^6

Prime Factorization of 638406947

Prime Factorization 113 × 5649619

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638406947
Product of the distinct prime numbers

The prime factorization of 638406947 is 113 × 5649619. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 5, 17, 8, 285, 331, 4404, 3992, 59822, 62241, 373575, 310984, 6990035, 5165983, 50957446, 89665604, 358529396, 10369527, 2652082108, 9180217026

Basic calculations (n = 638406947)

Multiplication

n×y
n×2 1276813894
n×3 1915220841
n×4 2553627788
n×5 3192034735

Division

n÷y
n÷2 319203473.5
n÷3 212802315.66667
n÷3 159601736.75
n÷5 127681389.4

Exponentiation

ny
n2 407563429977860809
n3 2.6019132504101E+26
n4 1.6610794945532E+35
n5 1.060444688842E+44

Nth Root

y√n
2√n 25266.716189485
3√n 861.05825512114
4√n 158.95507601044
5√n 57.679238871848

Divisors of 638406947

1, 113, 5649619, 638406947

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638406946
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638406947 can be divided by 4 positive divisors. The sum of these divisors (counting 638406947) is 1, the average is 0.25.

Base conversion 638406947

Base System Value
2 Binary 100110000011010101000100100011
3 Ternary 1122111021102200202
4 Quaternary 212003111010203
5 Quinary 2301413010242
6 Senary 143203135415
8 Octal 4603250443
10 Decimal 638406947
12 Duodecimal 15997456b
16 Hexadecimal 260d5123
20 Vigesimal 9ja0h77
36 Base36 ak39yb

Cryptographic Hash Functions

md5 c7b92c70060802ecdc0f23fb38ef70b8
sha1 43b715b58fd3416bbc6e5d1c0549157d49d91ee9
sha256 4cc52757cec770af812fe06028fb1e83da0d4a3b8875bc77013e226156ba5ef0
sha512 5fa712601d86287a22686a1b2fa1e6cba41182cd0a07f5c6944612e14ca6b9a881ea157f8e57790cfac47b0e9873e73ef06a77671051f2e7421c3721716b4d09
ripemd-160 0274647a823891ca8ba74c57f41c4ae65fd070e7

638406947 as geometric shapes

Circle

Radius = n
Diameter 1276813894
Circumference 4011229149.3918
Area 1.2803982774903E+18

Sphere

Radius = n
Volume 1.0898868737022E+27
Surface area 5.1215931099612E+18
Circumference 4011229149.3918

Square

Length = n
Perimeter 2553627788
Area 407563429977860809
Diagonal 902843762.7606

Cube

Length = n
Surface area 2445380579867164854
Volume 2.6019132504101E+26
Space diagonal 1105753268.1089

Equilateral Triangle

Length = n
Perimeter 1915220841
Area 1.7648014200717E+17
Altitude 552876634.05447

Triangular Pyramid

Length = n
Surface area 1.7648014200717E+17
Volume 3.0663841723736E+25
Height 300947920.9202