28331389 (number)

28331389 is an odd 8-digits composite number following 28331388 and preceding 28331390. In scientific notation, it is written as 2.8331389 × 10^7. The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors. There are 27604800 positive integers (up to 28331389) that are relatively prime to 28331389.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8331389 × 10^7
Engineering notation 2.8331389 × 10^6

Prime Factorization of 28331389

Prime Factorization 61 × 109 × 4261

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 28331389
Product of the distinct prime numbers

The prime factorization of 28331389 is 61 × 109 × 4261. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 5, 19, 349, 499, 99, 2589, 63562, 72007, 355604, 233084, 2228157, 7061637, 30298948, 67856133, 749237308, 761768117, 5236909126, 3298853470

Basic calculations (n = 28331389)

Multiplication

n×y
n×2 56662778
n×3 84994167
n×4 113325556
n×5 141656945

Division

n÷y
n÷2 14165694.5
n÷3 9443796.3333333
n÷3 7082847.25
n÷5 5666277.8

Exponentiation

ny
n2 802667602669321
n3 2.2740688088922E+22
n4 6.4427528037492E+29
n5 1.8253213591386E+37

Nth Root

y√n
2√n 5322.7238327758
3√n 304.85216879606
4√n 72.95699988881
5√n 30.935245965086

Divisors of 28331389

1, 61, 109, 4261, 6649, 259921, 464449, 28331389

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28331388
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28331389 can be divided by 8 positive divisors. The sum of these divisors (counting 28331389) is 1, the average is 0.125.

Base conversion 28331389

Base System Value
2 Binary 1101100000100110101111101
3 Ternary 1222022101100201
4 Quaternary 1230010311331
5 Quinary 24223101024
6 Senary 2451123501
8 Octal 154046575
10 Decimal 28331389
12 Duodecimal 95a3591
16 Hexadecimal 1b04d7d
20 Vigesimal 8h1899
36 Base36 gv8n1

Cryptographic Hash Functions

md5 a7c403642def19cb3d7f5e262f2f8eb7
sha1 b79a50b4c72f6ac19da120a96927a2db848451e9
sha256 e74969c91d96f32d145bbd2be3916f4845f5258e7cbb213607ef36912d99fa6b
sha512 b87261c418636b8f23403276ad340846aaeebb9ea2e844d1c1f423a369f11852327694210058f659d617c10a34e8cde25cce7efa99139b954e5069cfa9cbe3e5
ripemd-160 f6316ff7057e25ca537ba9452473686586f55cc2

28331389 as geometric shapes

Circle

Radius = n
Diameter 56662778
Circumference 178011367.09679
Area 2.5216546438205E+15

Sphere

Radius = n
Volume 9.5255971516979E+22
Surface area 1.0086618575282E+16
Circumference 178011367.09679

Square

Length = n
Perimeter 113325556
Area 802667602669321
Diagonal 40066634.564668

Cube

Length = n
Surface area 4816005616015926
Volume 2.2740688088922E+22
Space diagonal 49071405.196998

Equilateral Triangle

Length = n
Perimeter 84994167
Area 3.4756526735319E+14
Altitude 24535702.598499

Triangular Pyramid

Length = n
Surface area 3.4756526735319E+14
Volume 2.6800157927541E+21
Height 13355544.854889