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

28778021 (number)

28778021 is an odd 8-digits prime number following 28778020 and preceding 28778022. In scientific notation, it is written as 2.8778021 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 28778020 positive integers (up to 28778021) that are relatively prime to 28778021.

Interesting facts

28778021 has 2 divisors, whose sum is 28778022
The reverse of 28778021 is 12087782
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	twenty-eight million seven hundred seventy-eight thousand twenty-one

Notation

Scientific notation	2.8778021 × 10^7
Engineering notation	2.8778021 × 10^6

Prime Factorization of 28778021

Prime Factorization 28778021

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	28778021	Product of the distinct prime numbers

The prime factorization of 28778021 is 28778021. Since it has a total of 1 prime factors.

Most popular turbo-numbers

5, 10, 18, 19, 742, 542, 5988, 6029, 46665, 31384, 842689, 946684, 9782018, 4351051, 91439844, 70573379, 155060420, 307452239, 9028167759, 685603709

Basic calculations (n = 28778021)

Multiplication

n×y

n×2	57556042
n×3	86334063
n×4	115112084
n×5	143890105

Division

n÷y

n÷2	14389010.5
n÷3	9592673.6666667
n÷3	7194505.25
n÷5	5755604.2

Exponentiation

n^y

n²	828174492676441
n³	2.3833222941907E+22
n⁴	6.8587299031988E+29
n⁵	1.9738067318758E+37

Nth Root

^y√n

²√n	5364.5149827361
³√n	306.4457775806
⁴√n	73.242849362488
⁵√n	31.032172807393

Divisors of 28778021

1, 28778021

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	28778022	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	14389011	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	5364.5150759412	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999305025	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28778021 can be divided by 2 positive divisors. The sum of these divisors (counting 28778021) is 28778022, the average is 14389011.

Base conversion 28778021

Base	System	Value
2	Binary	1101101110001111000100101
3	Ternary	2000011002000122
4	Quaternary	1231301320211
5	Quinary	24331344041
6	Senary	2504451325
8	Octal	155617045
10	Decimal	28778021
12	Duodecimal	9779b45
16	Hexadecimal	1b71e25
20	Vigesimal	8jh511
36	Base36	h4t9h

Cryptographic Hash Functions

md5	aff66a519e94641645a6c9a64c0cca51
sha1	548e37548b43696eef48809e5a2869eb538333da
sha256	f3165a2faac2065b71d0fa97710a42f2273109207d5746cd07025fba4ff5cf80
sha512	1c76fc3112844330d37304382c76eac7a19bf18e4dcd83017bf41cd4d0c8e5ba6ee806457646a94e5b4658788a5b9954fcbe77ae56fd9d8ac82739497d6042fb
ripemd-160	ddee5c5048c0ebcd68ee018b347fa60ba508191c

28778021 as geometric shapes

Circle

Radius = n

Diameter	57556042
Circumference	180817638.71691
Area	2.6017869020828E+15

Sphere

Radius = n

Volume	9.983237080755E+22
Surface area	1.0407147608331E+16
Circumference	180817638.71691

Square

Length = n

Perimeter	115112084
Area	828174492676441
Diagonal	40698267.596458

Cube

Length = n

Surface area	4969046956058646
Volume	2.3833222941907E+22
Space diagonal	49844994.513284

Equilateral Triangle

Length = n

Perimeter	86334063
Area	3.5861007471204E+14
Altitude	24922497.256642

Triangular Pyramid

Length = n

Surface area	3.5861007471204E+14
Volume	2.8087722599589E+21
Height	13566089.198819