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

28992721 (number)

28992721 is an odd 8-digits composite number following 28992720 and preceding 28992722. In scientific notation, it is written as 2.8992721 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 27992944 positive integers (up to 28992721) that are relatively prime to 28992721.

Interesting facts

28992721 has 4 divisors, whose sum is 29992500
The reverse of 28992721 is 12729982
Previous prime number is 29

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4

Name

Name	twenty-eight million nine hundred ninety-two thousand seven hundred twenty-one

Notation

Scientific notation	2.8992721 × 10^7
Engineering notation	2.8992721 × 10^6

Prime Factorization of 28992721

Prime Factorization 29 × 999749

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	28992721	Product of the distinct prime numbers

The prime factorization of 28992721 is 29 × 999749. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 4, 52, 49, 340, 484, 457, 1432, 37948, 6214, 739900, 853535, 3636164, 9988709, 18264623, 60635120, 164553933, 146754555, 9361267089, 712103715

Basic calculations (n = 28992721)

Multiplication

n×y

n×2	57985442
n×3	86978163
n×4	115970884
n×5	144963605

Division

n÷y

n÷2	14496360.5
n÷3	9664240.3333333
n÷3	7248180.25
n÷5	5798544.2

Exponentiation

n^y

n²	840577870983841
n³	2.4370639692208E+22
n⁴	7.0657115718773E+29
n⁵	2.0485420426991E+37

Nth Root

^y√n

²√n	5384.488926537
³√n	307.20597536685
⁴√n	73.379076898916
⁵√n	31.078338687542

Divisors of 28992721

1, 29, 999749, 28992721

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	-28992720	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 28992721 can be divided by 4 positive divisors. The sum of these divisors (counting 28992721) is 1, the average is 0.25.

Base conversion 28992721

Base	System	Value
2	Binary	1101110100110010011010001
3	Ternary	2000112222112111
4	Quaternary	1232212103101
5	Quinary	24410231341
6	Senary	2513225321
8	Octal	156462321
10	Decimal	28992721
12	Duodecimal	9862241
16	Hexadecimal	1ba64d1
20	Vigesimal	9141g1
36	Base36	h9exd

Cryptographic Hash Functions

md5	47cf289dedb4d8746ac994aa07b89b1b
sha1	6ff116326bcf2204c3be179f123fe76c28763baa
sha256	94ff4da6eb70ad22d68f15927fa304e3915654b2f3dedcc52c41efbd1da9b746
sha512	6cade96ea45fe2a28496ee4ebea468e98e889ae396b16b71c50df532d9b4d3af460eb6d06a0f0105fcac8b5fad64f33e269402830838ec64401c3d274308a10a
ripemd-160	3a6798c034a9a8d06c5f591aa8b2071a068724ee

28992721 as geometric shapes

Circle

Radius = n

Diameter	57985442
Circumference	182166638.60236
Area	2.640753264253E+15

Sphere

Radius = n

Volume	1.020834968271E+23
Surface area	1.0563013057012E+16
Circumference	182166638.60236

Square

Length = n

Perimeter	115970884
Area	840577870983841
Diagonal	41001899.248299

Cube

Length = n

Surface area	5043467225903046
Volume	2.4370639692208E+22
Space diagonal	50216865.821669

Equilateral Triangle

Length = n

Perimeter	86978163
Area	3.6398089506552E+14
Altitude	25108432.910835

Triangular Pyramid

Length = n

Surface area	3.6398089506552E+14
Volume	2.8721074313691E+21
Height	13667299.749433