28931838 (number)

28931838 is an even 8-digits composite number following 28931837 and preceding 28931839. In scientific notation, it is written as 2.8931838 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 8514528 positive integers (up to 28931838) that are relatively prime to 28931838.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred thirty-one thousand eight hundred thirty-eight

Notation

Scientific notation 2.8931838 × 10^7
Engineering notation 2.8931838 × 10^6

Prime Factorization of 28931838

Prime Factorization 2 × 3 × 13 × 23 × 16127

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28931838
Product of the distinct prime numbers

The prime factorization of 28931838 is 2 × 3 × 13 × 23 × 16127. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 5, 8, 94, 255, 405, 6969, 1062, 96270, 97307, 546301, 585196, 1601931, 5001783, 84274715, 75212196, 20726424, 763145655, 4658744356, 8949291486

Basic calculations (n = 28931838)

Multiplication

n×y
n×2 57863676
n×3 86795514
n×4 115727352
n×5 144659190

Division

n÷y
n÷2 14465919
n÷3 9643946
n÷3 7232959.5
n÷5 5786367.6

Exponentiation

ny
n2 837051250058244
n3 2.4217431164383E+22
n4 7.0065479522407E+29
n5 2.0271231029346E+37

Nth Root

y√n
2√n 5378.8324011815
3√n 306.99078653998
4√n 73.340523594951
5√n 31.065275175119

Divisors of 28931838

1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 138, 299, 598, 897, 1794, 16127, 32254, 48381, 96762, 209651, 370921, 419302, 628953, 741842, 1112763, 1257906, 2225526, 4821973, 9643946, 14465919, 28931838

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28931837
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28931838 can be divided by 32 positive divisors. The sum of these divisors (counting 28931838) is 1, the average is 0.03125.

Base conversion 28931838

Base System Value
2 Binary 1101110010111011011111110
3 Ternary 2000102220000120
4 Quaternary 1232113123332
5 Quinary 24401304323
6 Senary 2512035410
8 Octal 156273376
10 Decimal 28931838
12 Duodecimal 9832b66
16 Hexadecimal 1b976fe
20 Vigesimal 90g9bi
36 Base36 h83y6

Cryptographic Hash Functions

md5 a875767f137d768b209923ae90435169
sha1 cffb2d771ad190eb9e47bb49fb2c0ae3c6ac4e98
sha256 10f5ddbedb269df3d449a3ba5470458a9ae7e1f36041b49160d396fb370f3c87
sha512 9fcf1d260d75726db21545ae0341e3f9cce12e7c3f16313e95e71a90724910a904b9958c377a5ae006cdc7449a24cbc8970ac0731dcf42628bac663a887a59d2
ripemd-160 4c092aadaa50b061a4aa34cfa1443fc45a5b985a

28931838 as geometric shapes

Circle

Radius = n
Diameter 57863676
Circumference 181784099.4313
Area 2.6296740578611E+15

Sphere

Radius = n
Volume 1.0144173844645E+23
Surface area 1.0518696231445E+16
Circumference 181784099.4313

Square

Length = n
Perimeter 115727352
Area 837051250058244
Diagonal 40915797.683981

Cube

Length = n
Surface area 5022307500349464
Volume 2.4217431164383E+22
Space diagonal 50111413.372352

Equilateral Triangle

Length = n
Perimeter 86795514
Area 3.6245382340998E+14
Altitude 25055706.686176

Triangular Pyramid

Length = n
Surface area 3.6245382340998E+14
Volume 2.8540516332089E+21
Height 13638599.227994