638544745 (number)

638544745 is an odd 9-digits composite number following 638544744 and preceding 638544746. In scientific notation, it is written as 6.38544745 × 10^8. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 486471744 positive integers (up to 638544745) that are relatively prime to 638544745.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 6.38544745 × 10^8
Engineering notation 6.38544745 × 10^6

Prime Factorization of 638544745

Prime Factorization 5 × 23 × 229 × 24247

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638544745
Product of the distinct prime numbers

The prime factorization of 638544745 is 5 × 23 × 229 × 24247. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 22, 22, 982, 18, 4541, 1684, 34251, 57774, 367481, 908543, 1188244, 8277283, 14003609, 50839142, 445758741, 501052595, 3122795719, 4618688242

Basic calculations (n = 638544745)

Multiplication

n×y
n×2 1277089490
n×3 1915634235
n×4 2554178980
n×5 3192723725

Division

n÷y
n÷2 319272372.5
n÷3 212848248.33333
n÷3 159636186.25
n÷5 127708949

Exponentiation

ny
n2 407739391367115025
n3 2.6035984568697E+26
n4 1.6625141127243E+35
n5 1.0615896501684E+44

Nth Root

y√n
2√n 25269.442910361
3√n 861.12020284385
4√n 158.96365279636
5√n 57.681728630977

Divisors of 638544745

1, 5, 23, 115, 229, 1145, 5267, 24247, 26335, 121235, 557681, 2788405, 5552563, 27762815, 127708949, 638544745

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638544744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638544745 can be divided by 16 positive divisors. The sum of these divisors (counting 638544745) is 1, the average is 0.0625.

Base conversion 638544745

Base System Value
2 Binary 100110000011110110101101101001
3 Ternary 1122111112102201101
4 Quaternary 212003312231221
5 Quinary 2301431412440
6 Senary 143210121401
8 Octal 4603665551
10 Decimal 638544745
12 Duodecimal 159a20261
16 Hexadecimal 260f6b69
20 Vigesimal 9jai1h5
36 Base36 ak68a1

Cryptographic Hash Functions

md5 059516ca0e8bd85a1c082b96366c6564
sha1 db5b2b994b607ef7235087cb3f499deab79239bf
sha256 a8e434ce91243ec3056381e2935fbaf93c8f523816b17ab0db0935f38650102a
sha512 3a0fc662f58b6ca10109913744d06f4d0317a4ed2a6ad190c198906d063ca17fcf91f0b8d6e720602841b9b21fd38895f5ad4afda4c71e0c2ffaeec695f46c5b
ripemd-160 7bdff17ec06d706384127e0f547b435c95f3f5f4

638544745 as geometric shapes

Circle

Radius = n
Diameter 1277089490
Circumference 4012094959.7607
Area 1.2809510764981E+18

Sphere

Radius = n
Volume 1.0905927713333E+27
Surface area 5.1238043059924E+18
Circumference 4012094959.7607

Square

Length = n
Perimeter 2554178980
Area 407739391367115025
Diagonal 903038638.56107

Cube

Length = n
Surface area 2446436348202690150
Volume 2.6035984568697E+26
Space diagonal 1105991941.2461

Equilateral Triangle

Length = n
Perimeter 1915634235
Area 1.7655633552376E+17
Altitude 552995970.62306

Triangular Pyramid

Length = n
Surface area 1.7655633552376E+17
Volume 3.0683702072323E+25
Height 301012879.52036