28267988 (number)

28267988 is an even 8-digits composite number following 28267987 and preceding 28267989. In scientific notation, it is written as 2.8267988 × 10^7. The sum of its digits is 50. It has a total of 5 prime factors and 24 positive divisors. There are 12079584 positive integers (up to 28267988) that are relatively prime to 28267988.

Interesting facts

Basic properties

Name

Name twenty-eight million two hundred sixty-seven thousand nine hundred eighty-eight

Notation

Scientific notation 2.8267988 × 10^7
Engineering notation 2.8267988 × 10^6

Prime Factorization of 28267988

Prime Factorization 2 × 2 × 7 × 397 × 2543

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 14133994
Product of the distinct prime numbers

The prime factorization of 28267988 is 2 × 2 × 7 × 397 × 2543. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 7, 60, 79, 206, 847, 8963, 962, 93828, 26364, 415423, 918037, 6595967, 5845376, 36525895, 7554839, 910459643, 904782893, 9997503846, 9048251990

Basic calculations (n = 28267988)

Multiplication

n×y
n×2 56535976
n×3 84803964
n×4 113071952
n×5 141339940

Division

n÷y
n÷2 14133994
n÷3 9422662.6666667
n÷3 7066997
n÷5 5653597.6

Exponentiation

ny
n2 799079145568144
n3 2.2588359697971E+22
n4 6.3852748088192E+29
n5 1.804988716724E+37

Nth Root

y√n
2√n 5316.7648057818
3√n 304.62459590997
4√n 72.916149142572
5√n 30.921387953816

Divisors of 28267988

1, 2, 4, 7, 14, 28, 397, 794, 1588, 2543, 2779, 5086, 5558, 10172, 11116, 17801, 35602, 71204, 1009571, 2019142, 4038284, 7066997, 14133994, 28267988

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -28267987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28267988 can be divided by 24 positive divisors. The sum of these divisors (counting 28267988) is 1, the average is 0.041666666666667.

Base conversion 28267988

Base System Value
2 Binary 1101011110101010111010100
3 Ternary 1222012011101112
4 Quaternary 1223311113110
5 Quinary 24214033423
6 Senary 2445514152
8 Octal 153652724
10 Decimal 28267988
12 Duodecimal 9572958
16 Hexadecimal 1af55d4
20 Vigesimal 8gd9j8
36 Base36 gtvpw

Cryptographic Hash Functions

md5 7fb38d0788152e8fcfccafa65630853c
sha1 7edd3f3e3c8ebe2fb2e288cedec1a3eb774d41e0
sha256 c083214bd5b75ae726627de9271f62be28a14ef7b34d1632a800b06779042724
sha512 22f935a8fe9146332fa65e703823dbc37cc00321b4445bfd06d2980ef2994692a15f8e61cbc377901d3b513edfdeb1f7224b0da127b45e4e57c8ed6bf36ebf31
ripemd-160 0ac32248d7ac7dafc7706bb1f9b1db9fe464d5eb

28267988 as geometric shapes

Circle

Radius = n
Diameter 56535976
Circumference 177613006.86513
Area 2.5103811733537E+15

Sphere

Radius = n
Volume 9.4617899845051E+22
Surface area 1.0041524693415E+16
Circumference 177613006.86513

Square

Length = n
Perimeter 113071952
Area 799079145568144
Diagonal 39976972.0106

Cube

Length = n
Surface area 4794474873408864
Volume 2.2588359697971E+22
Space diagonal 48961591.443747

Equilateral Triangle

Length = n
Perimeter 84803964
Area 3.4601141984819E+14
Altitude 24480795.721874

Triangular Pyramid

Length = n
Surface area 3.4601141984819E+14
Volume 2.6620637197193E+21
Height 13325657.336867