Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

28742021 (number)

28742021 is an odd 8-digits composite number following 28742020 and preceding 28742022. In scientific notation, it is written as 2.8742021 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 22396320 positive integers (up to 28742021) that are relatively prime to 28742021.

Interesting facts

28742021 has 8 divisors, whose sum is 35834304
The reverse of 28742021 is 12024782
Previous prime number is 11

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8

Name

Name	twenty-eight million seven hundred forty-two thousand twenty-one

Notation

Scientific notation	2.8742021 × 10^7
Engineering notation	2.8742021 × 10^6

Prime Factorization of 28742021

Prime Factorization 7 × 11 × 373273

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	28742021	Product of the distinct prime numbers

The prime factorization of 28742021 is 7 × 11 × 373273. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 5, 35, 19, 272, 415, 6899, 2576, 35963, 84991, 403016, 568062, 5465183, 1026444, 7366179, 93369636, 515742471, 163483335, 1589348511, 9197712075

Basic calculations (n = 28742021)

Multiplication

n×y

n×2	57484042
n×3	86226063
n×4	114968084
n×5	143710105

Division

n÷y

n÷2	14371010.5
n÷3	9580673.6666667
n÷3	7185505.25
n÷5	5748404.2

Exponentiation

n^y

n²	826103771164441
n³	2.3743891938988E+22
n⁴	6.8244744073211E+29
n⁵	1.9614918672919E+37

Nth Root

^y√n

²√n	5361.1585501643
³√n	306.31794100016
⁴√n	73.219932738048
⁵√n	31.024404951175

Divisors of 28742021

1, 7, 11, 77, 373273, 2612911, 4106003, 28742021

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28742020	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28742021 can be divided by 8 positive divisors. The sum of these divisors (counting 28742021) is 1, the average is 0.125.

Base conversion 28742021

Base	System	Value
2	Binary	1101101101001000110000101
3	Ternary	2000002020122022
4	Quaternary	1231221012011
5	Quinary	24324221041
6	Senary	2504012525
8	Octal	155510605
10	Decimal	28742021
12	Duodecimal	9761145
16	Hexadecimal	1b69185
20	Vigesimal	8jcf11
36	Base36	h41hh

Cryptographic Hash Functions

md5	29155f9bc4b693fa112175365733160d
sha1	eba006abec186497e243df85779702e366fb4b0d
sha256	08088e6894e8235c66c6c9979c47af114aa47d4c3262922f3ee8d1d4da544baf
sha512	420d1306efc23741b0bec3a0ba8082e85e969cb908dc5a9aa25382492958b1e9050cf9b830d714ef0596b99607974dd5cdd9a4d9bac7df4a14cc6214629f6eef
ripemd-160	5bf3b310ecc98f3361e216c0245f90d2e5417f65

28742021 as geometric shapes

Circle

Radius = n

Diameter	57484042
Circumference	180591444.04585
Area	2.595281538593E+15

Sphere

Radius = n

Volume	9.9458181977538E+22
Surface area	1.0381126154372E+16
Circumference	180591444.04585

Square

Length = n

Perimeter	114968084
Area	826103771164441
Diagonal	40647355.908212

Cube

Length = n

Surface area	4956622626986646
Volume	2.3743891938988E+22
Space diagonal	49782640.684212

Equilateral Triangle

Length = n

Perimeter	86226063
Area	3.5771342599527E+14
Altitude	24891320.342106

Triangular Pyramid

Length = n

Surface area	3.5771342599527E+14
Volume	2.7982445003031E+21
Height	13549118.636071