28991010 (number)

28991010 is an even 8-digits composite number following 28991009 and preceding 28991011. In scientific notation, it is written as 2.8991010 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors. There are 7295232 positive integers (up to 28991010) that are relatively prime to 28991010.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8991010 × 10^7
Engineering notation 2.8991010 × 10^6

Prime Factorization of 28991010

Prime Factorization 2 × 3 × 145 × 47 × 709

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 28991010
Product of the distinct prime numbers

The prime factorization of 28991010 is 2 × 3 × 145 × 47 × 709. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 28991010)

Multiplication

n×y
n×2 57982020
n×3 86973030
n×4 115964040
n×5 144955050

Division

n÷y
n÷2 14495505
n÷3 9663670
n÷3 7247752.5
n÷5 5798202

Exponentiation

ny
n2 840478660820100
n3 2.4366325260622E+22
n4 7.0640437929395E+29
n5 2.0479376424155E+37

Nth Root

y√n
2√n 5384.3300418901
3√n 307.1999320136
4√n 73.377994261836
5√n 31.077971862415

Divisors of 28991010

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28991009
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991010 can be divided by 32 positive divisors. The sum of these divisors (counting 28991010) is 1, the average is 0.03125.

Base conversion 28991010

Base System Value
2 Binary 1101110100101111000100010
3 Ternary 2000112220012010
4 Quaternary 1232211320202
5 Quinary 24410203020
6 Senary 2513213350
8 Octal 156457042
10 Decimal 28991010
12 Duodecimal 9861256
16 Hexadecimal 1ba5e22
20 Vigesimal 913haa
36 Base36 h9dlu

Cryptographic Hash Functions

md5 1efe11dba2eff1e03f705c7309c00b35
sha1 5f650bce8a101940bf8dadc8368a6f524c48808a
sha256 5f2830be6b58f5e91a51d5ac4c5b970d1f5404a0984c1bc4c2d6c9fa2e4f006d
sha512 2226795b38db287e9158fbaeaa1adabebdd4ee7b5675335d17c0272cc937f3fbbf6558995ab5a840fb4b6cba706a7477211ba1df82229815ef64a09bc9c2ede9
ripemd-160 a47672bce432a5009b903abea6996d93e10ea657

28991010 as geometric shapes

Circle

Radius = n
Diameter 57982020
Circumference 182155888.0723
Area 2.6404415863314E+15

Sphere

Radius = n
Volume 1.0206542457833E+23
Surface area 1.0561766345326E+16
Circumference 182155888.0723

Square

Length = n
Perimeter 115964040
Area 840478660820100
Diagonal 40999479.528894

Cube

Length = n
Surface area 5042871964920600
Volume 2.4366325260622E+22
Space diagonal 50213902.282737

Equilateral Triangle

Length = n
Perimeter 86973030
Area 3.6393793580447E+14
Altitude 25106951.141369

Triangular Pyramid

Length = n
Surface area 3.6393793580447E+14
Volume 2.8715989707305E+21
Height 13666493.176298