28991664 (number)

28991664 is an even 8-digits composite number following 28991663 and preceding 28991665. In scientific notation, it is written as 2.8991664 × 10^7. The sum of its digits is 45. It has a total of 8 prime factors and 80 positive divisors. There are 8386560 positive integers (up to 28991664) that are relatively prime to 28991664.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.8991664 × 10^7
Engineering notation 2.8991664 × 10^6

Prime Factorization of 28991664

Prime Factorization 2 × 2 × 2 × 2 × 9 × 17 × 13 × 911

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 3623958
Product of the distinct prime numbers

The prime factorization of 28991664 is 2 × 2 × 2 × 2 × 9 × 17 × 13 × 911. Since it has a total of 8 prime factors.

Most popular turbo-numbers

1, 3, 98, 83, 814, 433, 7886, 4795, 75191, 12366, 835115, 273408, 6608484, 650750, 95817508, 83828218, 608104585, 154498759, 6331429806, 4173176917

Basic calculations (n = 28991664)

Multiplication

n×y
n×2 57983328
n×3 86974992
n×4 115966656
n×5 144958320

Division

n÷y
n÷2 14495832
n÷3 9663888
n÷3 7247916
n÷5 5798332.8

Exponentiation

ny
n2 840516581488896
n3 2.4367974316955E+22
n4 7.0646812375778E+29
n5 2.0481686470696E+37

Nth Root

y√n
2√n 5384.3907733373
3√n 307.20224200838
4√n 73.378408086693
5√n 31.078112076986

Divisors of 28991664

1, 2, 4, 8, 9, 13, 16, 17, 18, 26, 34, 36, 52, 68, 72, 104, 117, 136, 144, 153, 208, 221, 234, 272, 306, 442, 468, 612, 884, 911, 936, 1224, 1768, 1822, 1872, 1989, 2448, 3536, 3644, 3978, 7288, 7956, 8199, 11843, 14576, 15487, 15912, 16398, 23686, 30974, 31824, 32796, 47372, 61948, 65592, 94744, 106587, 123896, 131184, 139383, 189488, 201331, 213174, 247792, 278766, 402662, 426348, 557532, 805324, 852696, 1115064, 1610648, 1705392, 1811979, 2230128, 3221296, 3623958, 7247916, 14495832, 28991664

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28991663
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991664 can be divided by 80 positive divisors. The sum of these divisors (counting 28991664) is 1, the average is 0.0125.

Base conversion 28991664

Base System Value
2 Binary 1101110100110000010110000
3 Ternary 2000112221002100
4 Quaternary 1232212002300
5 Quinary 24410213124
6 Senary 2513220400
8 Octal 156460260
10 Decimal 28991664
12 Duodecimal 9861700
16 Hexadecimal 1ba60b0
20 Vigesimal 913j34
36 Base36 h9e40

Cryptographic Hash Functions

md5 5e458b95f35f15e79f5910256e7e6df2
sha1 5e9ad2315cdfeee124a42db01bfa4b581a895c5f
sha256 4337e37ffbc21d4041b17447b31f90227371dd1a067818f956db11516dfdf9e6
sha512 90e88a1bea093074286c5b6f109c6a93ced155b89bbd6f280a029136a4426fcc139a81de4e899b3e45a835bdf8eb084f6c6a371729efb59de3181667151e0e18
ripemd-160 25c4701c3f1e4d52056d40ab60fa5ab96b48dd98

28991664 as geometric shapes

Circle

Radius = n
Diameter 57983328
Circumference 182159997.27549
Area 2.6405607176259E+15

Sphere

Radius = n
Volume 1.0207233212935E+23
Surface area 1.0562242870504E+16
Circumference 182159997.27549

Square

Length = n
Perimeter 115966656
Area 840516581488896
Diagonal 41000404.424564

Cube

Length = n
Surface area 5043099488933376
Volume 2.4367974316955E+22
Space diagonal 50215035.043966

Equilateral Triangle

Length = n
Perimeter 86974992
Area 3.6395435593572E+14
Altitude 25107517.521983

Triangular Pyramid

Length = n
Surface area 3.6395435593572E+14
Volume 2.871793313883E+21
Height 13666801.474855