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

28991012 (number)

28991012 is an even 8-digits composite number following 28991011 and preceding 28991013. In scientific notation, it is written as 2.8991012 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors. There are 14495504 positive integers (up to 28991012) that are relatively prime to 28991012.

Interesting facts

28991012 has 6 divisors, whose sum is 50734278
The reverse of 28991012 is 21019982
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5

Name

Name	twenty-eight million nine hundred ninety-one thousand twelve

Notation

Scientific notation	2.8991012 × 10^7
Engineering notation	2.8991012 × 10^6

Prime Factorization of 28991012

Prime Factorization 2 × 2 × 7247753

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	14495506	Product of the distinct prime numbers

The prime factorization of 28991012 is 2 × 2 × 7247753. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 7, 100, 12, 729, 625, 6158, 4669, 14481, 13872, 527849, 53258, 6539873, 7935707, 70431885, 7659533, 227585632, 895925590, 6873929928, 3295551261

Basic calculations (n = 28991012)

Multiplication

n×y

n×2	57982024
n×3	86973036
n×4	115964048
n×5	144955060

Division

n÷y

n÷2	14495506
n÷3	9663670.6666667
n÷3	7247753
n÷5	5798202.4

Exponentiation

n^y

n²	840478776784144
n³	2.4366330303494E+22
n⁴	7.0640457422457E+29
n⁵	2.0479383488199E+37

Nth Root

^y√n

²√n	5384.3302276142
³√n	307.19993907786
⁴√n	73.377995527366
⁵√n	31.077972291209

Divisors of 28991012

1, 2, 4, 7247753, 14495506, 28991012

6 divisors

τ	Total Divisors	6	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-28991011	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.16666666666667	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	6	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 28991012 can be divided by 6 positive divisors. The sum of these divisors (counting 28991012) is 1, the average is 0.16666666666667.

Base conversion 28991012

Base	System	Value
2	Binary	1101110100101111000100100
3	Ternary	2000112220012012
4	Quaternary	1232211320210
5	Quinary	24410203022
6	Senary	2513213352
8	Octal	156457044
10	Decimal	28991012
12	Duodecimal	9861258
16	Hexadecimal	1ba5e24
20	Vigesimal	913hac
36	Base36	h9dlw

Cryptographic Hash Functions

md5	f3716b125906035fd26cf8291145d3d3
sha1	ed1a4099589a342110bfe0c8ad17c9b853a003d3
sha256	d2a291a3a09f1a1f7a507c31e07dcbe2a08957d6c5d23d7001ea9c120a6d0644
sha512	0bb642bd1f774a0275f95ee20fade6c275d675d320cbd973d54a760b4f2b90811cedc057bd6c2e940f7b5e09bf4e2f86bc8b3c28a25be8dcbdeb87dd1c0c1bc5
ripemd-160	95c128b514524a94ed341fcb3962e35867c7dd02

28991012 as geometric shapes

Circle

Radius = n

Diameter	57982024
Circumference	182155900.63867
Area	2.6404419506432E+15

Sphere

Radius = n

Volume	1.0206544570187E+23
Surface area	1.0561767802573E+16
Circumference	182155900.63867

Square

Length = n

Perimeter	115964048
Area	840478776784144
Diagonal	40999482.357321

Cube

Length = n

Surface area	5042872660704864
Volume	2.4366330303494E+22
Space diagonal	50213905.746839

Equilateral Triangle

Length = n

Perimeter	86973036
Area	3.6393798601837E+14
Altitude	25106952.87342

Triangular Pyramid

Length = n

Surface area	3.6393798601837E+14
Volume	2.8715995650387E+21
Height	13666494.119107