638561646 (number)

638561646 is an even 9-digits composite number following 638561645 and preceding 638561647. In scientific notation, it is written as 6.38561646 × 10^8. The sum of its digits is 45. It has a total of 6 prime factors and 48 positive divisors. There are 205371600 positive integers (up to 638561646) that are relatively prime to 638561646.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million five hundred sixty-one thousand six hundred forty-six

Notation

Scientific notation 6.38561646 × 10^8
Engineering notation 6.38561646 × 10^6

Prime Factorization of 638561646

Prime Factorization 2 × 3 × 3 × 47 × 71 × 10631

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 212853882
Product of the distinct prime numbers

The prime factorization of 638561646 is 2 × 3 × 3 × 47 × 71 × 10631. Since it has a total of 6 prime factors.

Most popular turbo-numbers

9, 2, 87, 41, 522, 929, 4924, 5530, 54144, 90247, 592695, 639704, 8273502, 6158066, 91428494, 86617695, 623499029, 893008234, 6344784529, 8143372669

Basic calculations (n = 638561646)

Multiplication

n×y
n×2 1277123292
n×3 1915684938
n×4 2554246584
n×5 3192808230

Division

n÷y
n÷2 319280823
n÷3 212853882
n÷3 159640411.5
n÷5 127712329.2

Exponentiation

ny
n2 407760975742229316
n3 2.6038051984452E+26
n4 1.6626901333825E+35
n5 1.0617301483607E+44

Nth Root

y√n
2√n 25269.77732391
3√n 861.12780015229
4√n 158.96470464826
5√n 57.682033971701

Divisors of 638561646

1, 2, 3, 6, 9, 18, 47, 71, 94, 141, 142, 213, 282, 423, 426, 639, 846, 1278, 3337, 6674, 10011, 10631, 20022, 21262, 30033, 31893, 60066, 63786, 95679, 191358, 499657, 754801, 999314, 1498971, 1509602, 2264403, 2997942, 4496913, 4528806, 6793209, 8993826, 13586418, 35475647, 70951294, 106426941, 212853882, 319280823, 638561646

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638561645
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638561646 can be divided by 48 positive divisors. The sum of these divisors (counting 638561646) is 1, the average is 0.020833333333333.

Base conversion 638561646

Base System Value
2 Binary 100110000011111010110101101110
3 Ternary 1122111120021220100
4 Quaternary 212003322311232
5 Quinary 2301432433041
6 Senary 143210331530
8 Octal 4603726556
10 Decimal 638561646
12 Duodecimal 159a29ba6
16 Hexadecimal 260fad6e
20 Vigesimal 9jb0426
36 Base36 ak6lbi

Cryptographic Hash Functions

md5 cce3a91b17e82708c5de31f00bc1ac97
sha1 e05863abc87153a9d6b15ccebd07ae58129f260d
sha256 cbb40ab39a75755df6e324025eb7e7c65a88b953b7876aa54351080f53138dbd
sha512 850f2205758ca12db2a917b2cf90981b651e065842b6f091ccd3a736b8a1a171b0b52195c8e94b2b511550af4833335cf6195da2c679c74d1cbf09d6fe654a62
ripemd-160 c84d8aa74478b77705591a85b01030efe24002fa

638561646 as geometric shapes

Circle

Radius = n
Diameter 1277123292
Circumference 4012201151.8756
Area 1.2810188858124E+18

Sphere

Radius = n
Volume 1.0906793710419E+27
Surface area 5.1240755432496E+18
Circumference 4012201151.8756

Square

Length = n
Perimeter 2554246584
Area 407760975742229316
Diagonal 903062540.18449

Cube

Length = n
Surface area 2446565854453375896
Volume 2.6038051984452E+26
Space diagonal 1106021214.6368

Equilateral Triangle

Length = n
Perimeter 1915684938
Area 1.7656568183235E+17
Altitude 553010607.31841

Triangular Pyramid

Length = n
Surface area 1.7656568183235E+17
Volume 3.0686138545157E+25
Height 301020846.72816