28888961 (number)

28888961 is an odd 8-digits composite number following 28888960 and preceding 28888962. In scientific notation, it is written as 2.8888961 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 28796352 positive integers (up to 28888961) that are relatively prime to 28888961.

Interesting facts

Basic properties

Name

Name twenty-eight million eight hundred eighty-eight thousand nine hundred sixty-one

Notation

Scientific notation 2.8888961 × 10^7
Engineering notation 2.8888961 × 10^6

Prime Factorization of 28888961

Prime Factorization 313 × 92297

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28888961
Product of the distinct prime numbers

The prime factorization of 28888961 is 313 × 92297. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28888961)

Multiplication

n×y
n×2 57777922
n×3 86666883
n×4 115555844
n×5 144444805

Division

n÷y
n÷2 14444480.5
n÷3 9629653.6666667
n÷3 7222240.25
n÷5 5777792.2

Exponentiation

ny
n2 834572067659521
n3 2.4109919914305E+22
n4 6.9651053611749E+29
n5 2.0121465713987E+37

Nth Root

y√n
2√n 5374.8452070734
3√n 306.83905805594
4√n 73.313335806478
5√n 31.056061960888

Divisors of 28888961

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28888960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28888961 can be divided by 4 positive divisors. The sum of these divisors (counting 28888961) is 1, the average is 0.25.

Base conversion 28888961

Base System Value
2 Binary 1101110001100111110000001
3 Ternary 2000100201012112
4 Quaternary 1232030332001
5 Quinary 24343421321
6 Senary 2511105105
8 Octal 156147601
10 Decimal 28888961
12 Duodecimal 9812195
16 Hexadecimal 1b8cf81
20 Vigesimal 90b281
36 Base36 h76v5

Cryptographic Hash Functions

md5 72058f4e57ccda44ef0557c38c1a1d21
sha1 fdbf566023cb126b062e0bbe5b679daeb6db861d
sha256 4112d6d23a6e358946c13f2aacc38639a6553d9378f7fb619f68064a23e443a9
sha512 f3a73702f4179d1639ef7371680879b907c0eec0ac1d5ed2bf8ee5778dfe49c742f11a17c35797b2d975478a68d2174fe081827eb083ca05959bf31ea3beeb02
ripemd-160 499594d2196adc7cbeccc38108e7500ea3db7f37

28888961 as geometric shapes

Circle

Radius = n
Diameter 57777922
Circumference 181514695.29488
Area 2.6218854766504E+15

Sphere

Radius = n
Volume 1.0099139637523E+23
Surface area 1.0487541906602E+16
Circumference 181514695.29488

Square

Length = n
Perimeter 115555844
Area 834572067659521
Diagonal 40855160.449067

Cube

Length = n
Surface area 5007432405957126
Volume 2.4109919914305E+22
Space diagonal 50037148.229876

Equilateral Triangle

Length = n
Perimeter 86666883
Area 3.6138030594103E+14
Altitude 25018574.114938

Triangular Pyramid

Length = n
Surface area 3.6138030594103E+14
Volume 2.8413813108783E+21
Height 13618386.816356