28996891 (number)

28996891 is an odd 8-digits composite number following 28996890 and preceding 28996892. In scientific notation, it is written as 2.8996891 × 10^7. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 22594920 positive integers (up to 28996891) that are relatively prime to 28996891.

Interesting facts

Basic properties

Name

Name twenty-eight million nine hundred ninety-six thousand eight hundred ninety-one

Notation

Scientific notation 2.8996891 × 10^7
Engineering notation 2.8996891 × 10^6

Prime Factorization of 28996891

Prime Factorization 77 × 376583

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 28996891
Product of the distinct prime numbers

The prime factorization of 28996891 is 77 × 376583. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28996891)

Multiplication

n×y
n×2 57993782
n×3 86990673
n×4 115987564
n×5 144984455

Division

n÷y
n÷2 14498445.5
n÷3 9665630.3333333
n÷3 7249222.75
n÷5 5799378.2

Exponentiation

ny
n2 840819687665881
n3 2.4381156833902E+22
n4 7.0697774716655E+29
n5 2.0500156674014E+37

Nth Root

y√n
2√n 5384.8761359942
3√n 307.22070305781
4√n 73.381715270183
5√n 31.07923263066

Divisors of 28996891

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 -28996890
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 28996891 can be divided by 4 positive divisors. The sum of these divisors (counting 28996891) is 1, the average is 0.25.

Base conversion 28996891

Base System Value
2 Binary 1101110100111010100011011
3 Ternary 2000120012020221
4 Quaternary 1232213110123
5 Quinary 24410400031
6 Senary 2513300511
8 Octal 156472433
10 Decimal 28996891
12 Duodecimal 9864737
16 Hexadecimal 1ba751b
20 Vigesimal 914c4b
36 Base36 h9i57

Cryptographic Hash Functions

md5 3f5074e38f8a3e851b5591ea061d1650
sha1 143664449d3677fb3af3571c39729a4b8ce121e6
sha256 7fe17c3f203e163d32033cd2aae4423379a988047efd2eb0d9ca5c438f905740
sha512 da607c79a9d1ae73cda9064f7ad1529203a7d163c027bd7f9c614513578a1fd1cd2654d8accc2c25ff5b401df4cd522ccd3eb43698a5fa2428444e164dee7d30
ripemd-160 24d7df661f189bd7a812637fb2831bc8dc8ed5c7

28996891 as geometric shapes

Circle

Radius = n
Diameter 57993782
Circumference 182192839.48509
Area 2.6415129537648E+15

Sphere

Radius = n
Volume 1.0212755092721E+23
Surface area 1.0566051815059E+16
Circumference 182192839.48509

Square

Length = n
Perimeter 115987564
Area 840819687665881
Diagonal 41007796.518854

Cube

Length = n
Surface area 5044918125995286
Volume 2.4381156833902E+22
Space diagonal 50224088.473537

Equilateral Triangle

Length = n
Perimeter 86990673
Area 3.6408560476038E+14
Altitude 25112044.236768

Triangular Pyramid

Length = n
Surface area 3.6408560476038E+14
Volume 2.8733468884041E+21
Height 13669265.506285