638367021 (number)

638367021 is an odd 9-digits composite number following 638367020 and preceding 638367022. In scientific notation, it is written as 6.38367021 × 10^8. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 424600704 positive integers (up to 638367021) that are relatively prime to 638367021.

Interesting facts

Basic properties

Name

Name six hundred thirty-eight million three hundred sixty-seven thousand twenty-one

Notation

Scientific notation 6.38367021 × 10^8
Engineering notation 6.38367021 × 10^6

Prime Factorization of 638367021

Prime Factorization 9 × 3 × 439 × 53857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 638367021
Product of the distinct prime numbers

The prime factorization of 638367021 is 9 × 3 × 439 × 53857. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 4, 95, 503, 724, 9852, 5436, 30547, 57182, 183786, 18021, 2515066, 9976215, 1360004, 21347486, 265844351, 69888881, 432456310, 8212224768

Basic calculations (n = 638367021)

Multiplication

n×y
n×2 1276734042
n×3 1915101063
n×4 2553468084
n×5 3191835105

Division

n÷y
n÷2 319183510.5
n÷3 212789007
n÷3 159591755.25
n÷5 127673404.2

Exponentiation

ny
n2 407512453500414441
n3 2.6014251096146E+26
n4 1.6606639975793E+35
n5 1.0601131290166E+44

Nth Root

y√n
2√n 25265.926086332
3√n 861.04030453922
4√n 158.9525906877
5√n 57.678517401346

Divisors of 638367021

1, 3, 9, 27, 439, 1317, 3951, 11853, 53857, 161571, 484713, 1454139, 23643223, 70929669, 212789007, 638367021

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 -638367020
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 638367021 can be divided by 16 positive divisors. The sum of these divisors (counting 638367021) is 1, the average is 0.0625.

Base conversion 638367021

Base System Value
2 Binary 100110000011001011010100101101
3 Ternary 1122111012101221000
4 Quaternary 212003023110231
5 Quinary 2301410221041
6 Senary 143202230513
8 Octal 4603132455
10 Decimal 638367021
12 Duodecimal 159955439
16 Hexadecimal 260cb52d
20 Vigesimal 9j9fhb1
36 Base36 ak2f59

Cryptographic Hash Functions

md5 79a874abad2bafbb82a1bf11c3f50a36
sha1 5e788d9ff85f3c1fe61a8bc0985e3990b4f0ec4c
sha256 235b63b68a06a690cc67f144bc1a346d22935b36d39cff62a56873ab25ba16ff
sha512 068558b7e6bc513a819d5b35d60f21debcac9aa5ed64ff94dc08d9845bd6814ee1eb3b8e15f64b7f979de22ad3bad4772e31f05981926f1f2dcf445d71842386
ripemd-160 1aeca1f25aedd8533342355a04fc32074229d14c

638367021 as geometric shapes

Circle

Radius = n
Diameter 1276734042
Circumference 4010978286.9352
Area 1.2802381301633E+18

Sphere

Radius = n
Volume 1.0896824017639E+27
Surface area 5.120952520653E+18
Circumference 4010978286.9352

Square

Length = n
Perimeter 2553468084
Area 407512453500414441
Diagonal 902787298.86991

Cube

Length = n
Surface area 2445074721002486646
Volume 2.6014251096146E+26
Space diagonal 1105684114.2484

Equilateral Triangle

Length = n
Perimeter 1915101063
Area 1.7645806854494E+17
Altitude 552842057.12419

Triangular Pyramid

Length = n
Surface area 1.7645806854494E+17
Volume 3.0658088929291E+25
Height 300929099.6233