28888940 (number)

28888940 is an even 8-digits composite number following 28888939 and preceding 28888941. In scientific notation, it is written as 2.8888940 × 10^7. The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors. There are 11555568 positive integers (up to 28888940) that are relatively prime to 28888940.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred eighty-eight thousand nine hundred forty

Notation

Scientific notation 2.8888940 × 10^7
Engineering notation 2.8888940 × 10^6

Prime Factorization of 28888940

Prime Factorization 2 × 2 × 5 × 1444447

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14444470
Product of the distinct prime numbers

The prime factorization of 28888940 is 2 × 2 × 5 × 1444447. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 3, 57, 56, 761, 638, 215, 4187, 46617, 56658, 694877, 518046, 5654960, 3187261, 23940203, 41838647, 140983666, 175723300, 5328810417, 3003592259

Basic calculations (n = 28888940)

Multiplication

n×y
n×2 57777880
n×3 86666820
n×4 115555760
n×5 144444700

Division

n÷y
n÷2 14444470
n÷3 9629646.6666667
n÷3 7222235
n÷5 5777788

Exponentiation

ny
n2 834570854323600
n3 2.4109867336303E+22
n4 6.9650851088642E+29
n5 2.0121392580487E+37

Nth Root

y√n
2√n 5374.8432535284
3√n 306.83898370664
4√n 73.313322483219
5√n 31.056057445824

Divisors of 28888940

1, 2, 4, 5, 10, 20, 1444447, 2888894, 5777788, 7222235, 14444470, 28888940

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 -28888939
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 28888940 can be divided by 12 positive divisors. The sum of these divisors (counting 28888940) is 1, the average is 0.083333333333333.

Base conversion 28888940

Base System Value
2 Binary 1101110001100111101101100
3 Ternary 2000100201011202
4 Quaternary 1232030331230
5 Quinary 24343421230
6 Senary 2511105032
8 Octal 156147554
10 Decimal 28888940
12 Duodecimal 9812178
16 Hexadecimal 1b8cf6c
20 Vigesimal 90b270
36 Base36 h76uk

Cryptographic Hash Functions

md5 45e93e93b0b3ccc6661b5c9038fe7c4d
sha1 eb9ffd845cb721ab8a1367e23ac17b2f6fc8d485
sha256 b558c367d5a79357dde89a628e1a6c65de3b8538f4e7d5d67a0acbabec8bd263
sha512 918f95a789b2eef6f2d5d6486950f264ba77f111476d87f8a5776eb5e5beb25dd114657b4d8e09ec97280d7ae82cb51d95654d63ed5fdc52c58f772cf91d6c32
ripemd-160 c271d6a7cdd5d406d899ee6032fc905c6d1ffd09

28888940 as geometric shapes

Circle

Radius = n
Diameter 57777880
Circumference 181514563.34799
Area 2.6218816648432E+15

Sphere

Radius = n
Volume 1.0099117613701E+23
Surface area 1.0487526659373E+16
Circumference 181514563.34799

Square

Length = n
Perimeter 115555760
Area 834570854323600
Diagonal 40855130.750583

Cube

Length = n
Surface area 5007425125941600
Volume 2.4109867336303E+22
Space diagonal 50037111.856809

Equilateral Triangle

Length = n
Perimeter 86666820
Area 3.6137978055116E+14
Altitude 25018555.928404

Triangular Pyramid

Length = n
Surface area 3.6137978055116E+14
Volume 2.8413751145013E+21
Height 13618376.916861