638021244 (number)

638021244 is an even 9-digits composite number following 638021243 and preceding 638021245. In scientific notation, it is written as 6.38021244 × 10^8. The sum of its digits is 30. It has a total of 4 prime factors and 12 positive divisors. There are 182291760 positive integers (up to 638021244) that are relatively prime to 638021244.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million twenty-one thousand two hundred forty-four

Notation

Scientific notation 6.38021244 × 10^8
Engineering notation 6.38021244 × 10^6

Prime Factorization of 638021244

Prime Factorization 2 × 2 × 21 × 7595491

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 319010622
Product of the distinct prime numbers

The prime factorization of 638021244 is 2 × 2 × 21 × 7595491. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 8, 18, 17, 824, 274, 3825, 9162, 73253, 68830, 682926, 972342, 2908258, 2906438, 40255602, 76213377, 323967608, 241447254, 5376974968, 165355158

Basic calculations (n = 638021244)

Multiplication

n×y
n×2 1276042488
n×3 1914063732
n×4 2552084976
n×5 3190106220

Division

n÷y
n÷2 319010622
n÷3 212673748
n÷3 159505311
n÷5 127604248.8

Exponentiation

ny
n2 407071107795307536
n3 2.5972001459202E+26
n4 1.657068868017E+35
n5 1.0572451405659E+44

Nth Root

y√n
2√n 25259.082406137
3√n 860.88481316023
4√n 158.93106180397
5√n 57.672267633869

Divisors of 638021244

1, 2, 4, 21, 42, 84, 7595491, 15190982, 30381964, 159505311, 319010622, 638021244

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -638021243
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 638021244 can be divided by 12 positive divisors. The sum of these divisors (counting 638021244) is 1, the average is 0.083333333333333.

Base conversion 638021244

Base System Value
2 Binary 100110000001110110111001111100
3 Ternary 1122110112211121110
4 Quaternary 212001312321330
5 Quinary 2301313134434
6 Senary 143151002020
8 Octal 4601667174
10 Decimal 638021244
12 Duodecimal 159809310
16 Hexadecimal 26076e7c
20 Vigesimal 9j7cd24
36 Base36 ajv0cc

Cryptographic Hash Functions

md5 d77ff5e69053ff96d56756d91ab017b3
sha1 6246f86ed6c4e00d815f97a839ddad6a942a840e
sha256 fc04b5aafb2b30ea80972ef022c49b37cb39e8da5edf6c3daaca0a46f101054a
sha512 ecdbf8d7db501891fd978b57bb1c0e302d660e6f1c740d047a04b0ecae63c6377814162f3a15e662b7181481aba768bb4be8e0413a0467333c538edba14288eb
ripemd-160 977b1b1bdb8a826fd4af1f6ccd2a0ff6925704e2

638021244 as geometric shapes

Circle

Radius = n
Diameter 1276042488
Circumference 4008805705.9692
Area 1.2788516017384E+18

Sphere

Radius = n
Volume 1.08791265311E+27
Surface area 5.1154064069536E+18
Circumference 4008805705.9692

Square

Length = n
Perimeter 2552084976
Area 407071107795307536
Diagonal 902298296.34695

Cube

Length = n
Surface area 2442426646771845216
Volume 2.5972001459202E+26
Space diagonal 1105085210.9163

Equilateral Triangle

Length = n
Perimeter 1914063732
Area 1.762669602487E+17
Altitude 552542605.45815

Triangular Pyramid

Length = n
Surface area 1.762669602487E+17
Volume 3.0608297254648E+25
Height 300766098.78232