638406946 (number)

638406946 is an even 9-digits composite number following 638406945 and preceding 638406947. In scientific notation, it is written as 6.38406946 × 10^8. The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors. There are 319203472 positive integers (up to 638406946) that are relatively prime to 638406946.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38406946 × 10^8
Engineering notation 6.38406946 × 10^6

Prime Factorization of 638406946

Prime Factorization 2 × 319203473

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 638406946
Product of the distinct prime numbers

The prime factorization of 638406946 is 2 × 319203473. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 35, 81, 268, 710, 901, 1852, 90374, 17931, 891951, 656522, 900327, 7816615, 10312940, 7956634, 638192713, 578666137, 9127065707, 6355868042

Basic calculations (n = 638406946)

Multiplication

n×y
n×2 1276813892
n×3 1915220838
n×4 2553627784
n×5 3192034730

Division

n÷y
n÷2 319203473
n÷3 212802315.33333
n÷3 159601736.5
n÷5 127681389.2

Exponentiation

ny
n2 407563428701046916
n3 2.6019132381832E+26
n4 1.6610794841455E+35
n5 1.0604446805366E+44

Nth Root

y√n
2√n 25266.716169696
3√n 861.05825467155
4√n 158.9550759482
5√n 57.679238853778

Divisors of 638406946

1, 2, 319203473, 638406946

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 -638406945
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 638406946 can be divided by 4 positive divisors. The sum of these divisors (counting 638406946) is 1, the average is 0.25.

Base conversion 638406946

Base System Value
2 Binary 100110000011010101000100100010
3 Ternary 1122111021102200201
4 Quaternary 212003111010202
5 Quinary 2301413010241
6 Senary 143203135414
8 Octal 4603250442
10 Decimal 638406946
12 Duodecimal 15997456a
16 Hexadecimal 260d5122
20 Vigesimal 9ja0h76
36 Base36 ak39ya

Cryptographic Hash Functions

md5 5bfd25823639e74acda16d2766f0149a
sha1 40afef0807e561f78272ee4336c3f52287811cf3
sha256 b61209e38564a29f200a5bc91a998a8c371ce2d69f791506910e508d85d5c543
sha512 a0263fb6351f1729b99f2b70566d620cb6a3e05050c7afcbcd435401ab6c998dd4e3fdd522739f7c9e1b326f50c6056f7802ba9f6e91e000009fa293d304d9d6
ripemd-160 5ceaaf189ae896f7c69e45e1306e0de6ecf224b9

638406946 as geometric shapes

Circle

Radius = n
Diameter 1276813892
Circumference 4011229143.1086
Area 1.2803982734791E+18

Sphere

Radius = n
Volume 1.0898868685806E+27
Surface area 5.1215930939163E+18
Circumference 4011229143.1086

Square

Length = n
Perimeter 2553627784
Area 407563428701046916
Diagonal 902843761.34639

Cube

Length = n
Surface area 2445380572206281496
Volume 2.6019132381832E+26
Space diagonal 1105753266.3769

Equilateral Triangle

Length = n
Perimeter 1915220838
Area 1.764801414543E+17
Altitude 552876633.18844

Triangular Pyramid

Length = n
Surface area 1.764801414543E+17
Volume 3.066384157964E+25
Height 300947920.4488