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

28012021 (number)

28012021 is an odd 8-digits composite number following 28012020 and preceding 28012022. In scientific notation, it is written as 2.8012021 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 27869632 positive integers (up to 28012021) that are relatively prime to 28012021.

Interesting facts

28012021 has 4 divisors, whose sum is 28154412
The reverse of 28012021 is 12021082
Previous prime number is 197

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 16
Digital Root 7

Name

Name	twenty-eight million twelve thousand twenty-one

Notation

Scientific notation	2.8012021 × 10^7
Engineering notation	2.8012021 × 10^6

Prime Factorization of 28012021

Prime Factorization 197 × 142193

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28012021	Product of the distinct prime numbers

The prime factorization of 28012021 is 197 × 142193. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 35, 37, 431, 498, 4309, 1798, 13957, 92113, 514798, 856392, 3385476, 5970195, 61209488, 59551374, 137678339, 585124963, 5445401074, 8572006185

Basic calculations (n = 28012021)

Multiplication

n×y

n×2	56024042
n×3	84036063
n×4	112048084
n×5	140060105

Division

n÷y

n÷2	14006010.5
n÷3	9337340.3333333
n÷3	7003005.25
n÷5	5602404.2

Exponentiation

n^y

n²	784673320504441
n³	2.198028553211E+22
n⁴	6.1571221991147E+29
n⁵	1.7247343634117E+37

Nth Root

^y√n

²√n	5292.6383779737
³√n	303.7023467274
⁴√n	72.750521496232
⁵√n	30.865185302946

Divisors of 28012021

1, 197, 142193, 28012021

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28012020	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28012021 can be divided by 4 positive divisors. The sum of these divisors (counting 28012021) is 1, the average is 0.25.

Base conversion 28012021

Base	System	Value
2	Binary	1101010110110110111110101
3	Ternary	1221201011021021
4	Quaternary	1222312313311
5	Quinary	24132341041
6	Senary	2440221141
8	Octal	152666765
10	Decimal	28012021
12	Duodecimal	946a7b1
16	Hexadecimal	1ab6df5
20	Vigesimal	8f1a11
36	Base36	goe7p

Cryptographic Hash Functions

md5	42d155441836aa704e41ce0b0fe1cd82
sha1	ba00be30277b10b50ebaed571d379175d0b24466
sha256	6db73c9d4d5ecc3e825bd6fb2d55bf7326c1abf95c3e93c42a09b8281a8fa5a4
sha512	1f0d120fc8b4aa6105ab26170b25ddebe1a926083d779fb5b0f2f80ad20e1bff3cf39239bd60b33221f34058405913e2ede4cf022ee2a8f07cd521391daa3e9f
ripemd-160	c464c1a40ecd05e3707cbc74e0ea2a9bbb1efa33

28012021 as geometric shapes

Circle

Radius = n

Diameter	56024042
Circumference	176004718.77161
Area	2.4651239391647E+15

Sphere

Radius = n

Volume	9.2070804735311E+22
Surface area	9.8604957566586E+15
Circumference	176004718.77161

Square

Length = n

Perimeter	112048084
Area	784673320504441
Diagonal	39614980.00768

Cube

Length = n

Surface area	4708039923026646
Volume	2.198028553211E+22
Space diagonal	48518243.594686

Equilateral Triangle

Length = n

Perimeter	84036063
Area	3.3977351461437E+14
Altitude	24259121.797343

Triangular Pyramid

Length = n

Surface area	3.3977351461437E+14
Volume	2.5904014920286E+21
Height	13204993.335893