28876887 (number)

28876887 is an odd 8-digits composite number following 28876886 and preceding 28876888. In scientific notation, it is written as 2.8876887 × 10^7. The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors. There are 17770320 positive integers (up to 28876887) that are relatively prime to 28876887.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred seventy-six thousand eight hundred eighty-seven

Notation

Scientific notation 2.8876887 × 10^7
Engineering notation 2.8876887 × 10^6

Prime Factorization of 28876887

Prime Factorization 3 × 3 × 13 × 246811

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 9625629
Product of the distinct prime numbers

The prime factorization of 28876887 is 3 × 3 × 13 × 246811. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 10, 6, 76, 882, 628, 6277, 6273, 47038, 47681, 336634, 159251, 8242852, 3063535, 34777034, 55707666, 84562121, 82256269, 1164323348, 2610063752

Basic calculations (n = 28876887)

Multiplication

n×y
n×2 57753774
n×3 86630661
n×4 115507548
n×5 144384435

Division

n÷y
n÷2 14438443.5
n÷3 9625629
n÷3 7219221.75
n÷5 5775377.4

Exponentiation

ny
n2 833874602810769
n3 2.4079702677536E+22
n4 6.9534685321282E+29
n5 2.0079452506032E+37

Nth Root

y√n
2√n 5373.7218945532
3√n 306.79630480453
4√n 73.30567436804
5√n 31.053465580944

Divisors of 28876887

1, 3, 9, 13, 39, 117, 246811, 740433, 2221299, 3208543, 9625629, 28876887

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 -28876886
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 28876887 can be divided by 12 positive divisors. The sum of these divisors (counting 28876887) is 1, the average is 0.083333333333333.

Base conversion 28876887

Base System Value
2 Binary 1101110001010000001010111
3 Ternary 2000100002122100
4 Quaternary 1232022001113
5 Quinary 24343030022
6 Senary 2510533143
8 Octal 156120127
10 Decimal 28876887
12 Duodecimal 98071b3
16 Hexadecimal 1b8a057
20 Vigesimal 909c47
36 Base36 h6xjr

Cryptographic Hash Functions

md5 fbe28bd0d52d67cb70db8a5aeb5a989e
sha1 75415edccd63ac686a092e2cecf1385ff66e4315
sha256 c4bed9dea7a6ef99b4a2335df396f8e7a1a65abebcd0cfe62c7cbe8b6b4bb69e
sha512 68bd86d06a47c95407c4438fab4484c634bac00d0b4ab87e1b1a1525f5451ecb178d2f49f5e8b8a2c7126dc26b50f4a9e00045573e043f34e3ec03f615ce1fca
ripemd-160 c98782930bb4ed32c51c89491088d4b8beb4b075

28876887 as geometric shapes

Circle

Radius = n
Diameter 57753774
Circumference 181438832.11549
Area 2.6196943262054E+15

Sphere

Radius = n
Volume 1.0086482270983E+23
Surface area 1.0478777304822E+16
Circumference 181438832.11549

Square

Length = n
Perimeter 115507548
Area 833874602810769
Diagonal 40838085.234515

Cube

Length = n
Surface area 5003247616864614
Volume 2.4079702677536E+22
Space diagonal 50016235.448425

Equilateral Triangle

Length = n
Perimeter 86630661
Area 3.6107829480239E+14
Altitude 25008117.724213

Triangular Pyramid

Length = n
Surface area 3.6107829480239E+14
Volume 2.8378201753736E+21
Height 13612695.078172