28991512 (number)

28991512 is an even 8-digits composite number following 28991511 and preceding 28991513. In scientific notation, it is written as 2.8991512 × 10^7. The sum of its digits is 37. It has a total of 6 prime factors and 32 positive divisors. There are 12994560 positive integers (up to 28991512) that are relatively prime to 28991512.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8991512 × 10^7
Engineering notation 2.8991512 × 10^6

Prime Factorization of 28991512

Prime Factorization 2 × 2 × 2 × 11 × 73 × 4513

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 7247878
Product of the distinct prime numbers

The prime factorization of 28991512 is 2 × 2 × 2 × 11 × 73 × 4513. Since it has a total of 6 prime factors.

Most popular turbo-numbers

4, 2, 64, 6, 852, 251, 6671, 5308, 81374, 23827, 489873, 787002, 8638227, 1742496, 72696508, 73782010, 264054360, 724778372, 5903038616, 5320484126

Basic calculations (n = 28991512)

Multiplication

n×y
n×2 57983024
n×3 86974536
n×4 115966048
n×5 144957560

Division

n÷y
n÷2 14495756
n÷3 9663837.3333333
n÷3 7247878
n÷5 5798302.4

Exponentiation

ny
n2 840507768046144
n3 2.4367591043403E+22
n4 7.0645330814591E+29
n5 2.0481149560552E+37

Nth Root

y√n
2√n 5384.3766584443
3√n 307.20170513196
4√n 73.37831190784
5√n 31.078079489116

Divisors of 28991512

1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 292, 584, 803, 1606, 3212, 4513, 6424, 9026, 18052, 36104, 49643, 99286, 198572, 329449, 397144, 658898, 1317796, 2635592, 3623939, 7247878, 14495756, 28991512

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 -28991511
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 28991512 can be divided by 32 positive divisors. The sum of these divisors (counting 28991512) is 1, the average is 0.03125.

Base conversion 28991512

Base System Value
2 Binary 1101110100110000000011000
3 Ternary 2000112220212201
4 Quaternary 1232212000120
5 Quinary 24410212022
6 Senary 2513215544
8 Octal 156460030
10 Decimal 28991512
12 Duodecimal 98615b4
16 Hexadecimal 1ba6018
20 Vigesimal 913ifc
36 Base36 h9dzs

Cryptographic Hash Functions

md5 95567e9524ca08b7f339c63af7690591
sha1 7f9e58cc0cee5b194096d60e4d529f06a1c26003
sha256 6f9440a9afe5281f0fe706917c3a21471c6c08450d5779861b6dabf1e4b9987f
sha512 a7a61fe76c7440204c7214324e8d01dcafde1dd52cef7c8cf3da84a1bb770ccd4ff7c19835a6e4709660d2af3e785eca922064f1e11ad93c85109656e4423958
ripemd-160 a582e18f4ac4e56e1309737ac68d3c4ce91bce86

28991512 as geometric shapes

Circle

Radius = n
Diameter 57983024
Circumference 182159042.23132
Area 2.6405330293789E+15

Sphere

Radius = n
Volume 1.0207072667685E+23
Surface area 1.0562132117516E+16
Circumference 182159042.23132

Square

Length = n
Perimeter 115966048
Area 840507768046144
Diagonal 41000189.464102

Cube

Length = n
Surface area 5043046608276864
Volume 2.4367591043403E+22
Space diagonal 50214771.772243

Equilateral Triangle

Length = n
Perimeter 86974536
Area 3.6395053960306E+14
Altitude 25107385.886121

Triangular Pyramid

Length = n
Surface area 3.6395053960306E+14
Volume 2.8717481446618E+21
Height 13666729.821367