28991108 (number)

28991108 is an even 8-digits composite number following 28991107 and preceding 28991109. In scientific notation, it is written as 2.8991108 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 14467680 positive integers (up to 28991108) that are relatively prime to 28991108.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8991108 × 10^7
Engineering notation 2.8991108 × 10^6

Prime Factorization of 28991108

Prime Factorization 2 × 2 × 541 × 13397

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 14495554
Product of the distinct prime numbers

The prime factorization of 28991108 is 2 × 2 × 541 × 13397. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 1, 36, 46, 54, 236, 7700, 4436, 88413, 53376, 72031, 98423, 6859352, 6115, 271591, 52538826, 362945794, 745201483, 9443368221, 7254557953

Basic calculations (n = 28991108)

Multiplication

n×y
n×2 57982216
n×3 86973324
n×4 115964432
n×5 144955540

Division

n÷y
n÷2 14495554
n÷3 9663702.6666667
n÷3 7247777
n÷5 5798221.6

Exponentiation

ny
n2 840484343067664
n3 2.4366572362184E+22
n4 7.0641393094188E+29
n5 2.0479722564641E+37

Nth Root

y√n
2√n 5384.3391423646
3√n 307.20027816182
4√n 73.378056272735
5√n 31.077992873322

Divisors of 28991108

1, 2, 4, 541, 1082, 2164, 13397, 26794, 53588, 7247777, 14495554, 28991108

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 -28991107
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 28991108 can be divided by 12 positive divisors. The sum of these divisors (counting 28991108) is 1, the average is 0.083333333333333.

Base conversion 28991108

Base System Value
2 Binary 1101110100101111010000100
3 Ternary 2000112220022202
4 Quaternary 1232211322010
5 Quinary 24410203413
6 Senary 2513214032
8 Octal 156457204
10 Decimal 28991108
12 Duodecimal 9861318
16 Hexadecimal 1ba5e84
20 Vigesimal 913hf8
36 Base36 h9dok

Cryptographic Hash Functions

md5 f0029dc299abdab9f017e5db00e6b054
sha1 a01644d5b8b9f755f7f3f394cf7354d04df1ecd0
sha256 9d657f6fea1d7a11e5a7c46e415c0d04d17cad76ec94ad719f2fe8ec67a2ff7d
sha512 183b091130cea8b0ba607bd5ac1afd8ff9e68a423baa81457b4dd97ba5bb24ea8b3ec6302bb558e285fd04fb01ca48ff14386d0117ea4d234593484fc7d4b634
ripemd-160 566e4d8684fb2f52496cf0fef871b2cb0dee3bb9

28991108 as geometric shapes

Circle

Radius = n
Diameter 57982216
Circumference 182156503.82446
Area 2.6404594376386E+15

Sphere

Radius = n
Volume 1.0206645963493E+23
Surface area 1.0561837750554E+16
Circumference 182156503.82446

Square

Length = n
Perimeter 115964432
Area 840484343067664
Diagonal 40999618.121823

Cube

Length = n
Surface area 5042906058405984
Volume 2.4366572362184E+22
Space diagonal 50214072.023717

Equilateral Triangle

Length = n
Perimeter 86973324
Area 3.6394039628984E+14
Altitude 25107036.011858

Triangular Pyramid

Length = n
Surface area 3.6394039628984E+14
Volume 2.8716280919288E+21
Height 13666539.373941