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

30991009 (number)

30991009 is an odd 8-digits composite number following 30991008 and preceding 30991010. In scientific notation, it is written as 3.0991009 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 26563716 positive integers (up to 30991009) that are relatively prime to 30991009.

Interesting facts

30991009 has 4 divisors, whose sum is 35418304
The reverse of 30991009 is 90019903
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	thirty million nine hundred ninety-one thousand nine

Notation

Scientific notation	3.0991009 × 10^7
Engineering notation	3.0991009 × 10^6

Prime Factorization of 30991009

Prime Factorization 7 × 4427287

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	30991009	Product of the distinct prime numbers

The prime factorization of 30991009 is 7 × 4427287. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 6, 66, 74, 881, 289, 627, 2490, 41503, 20306, 315134, 856201, 1109857, 1967309, 995679, 95893527, 666207000, 59654434, 4543322832, 29859536

Basic calculations (n = 30991009)

Multiplication

n×y

n×2	61982018
n×3	92973027
n×4	123964036
n×5	154955045

Division

n÷y

n÷2	15495504.5
n÷3	10330336.333333
n÷3	7747752.25
n÷5	6198201.8

Exponentiation

n^y

n²	960442638838081
n³	2.9765086464215E+22
n⁴	9.2245006249826E+29
n⁵	2.8587658188934E+37

Nth Root

^y√n

²√n	5566.9568886421
³√n	314.1076922451
⁴√n	74.61204251756
⁵√n	31.495401077234

Divisors of 30991009

1, 7, 4427287, 30991009

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	-30991008	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 30991009 can be divided by 4 positive divisors. The sum of these divisors (counting 30991009) is 1, the average is 0.25.

Base conversion 30991009

Base	System	Value
2	Binary	1110110001110001010100001
3	Ternary	2011022111200011
4	Quaternary	1312032022201
5	Quinary	30413203014
6	Senary	3024124521
8	Octal	166161241
10	Decimal	30991009
12	Duodecimal	a466741
16	Hexadecimal	1d8e2a1
20	Vigesimal	9ddha9
36	Base36	ig8td

Cryptographic Hash Functions

md5	94a4b16417bc1f48794ae6c161493542
sha1	f40eb21bc04c0fdd17426903d4fd5dc9c941ab74
sha256	00b77050f77926edc663f926f0c9f9647677a978e2cb6eae69e97ef19f928c47
sha512	474dee9acf8374e73f6c449e16c4ce6b4cd0164773e10b2c2d0f0620ff0571f62e022e5ce74c290962f1c3e88cdbf751736f091f6b224c1a34b97ebd6f7f8e56
ripemd-160	43edcdda4e48bfa8fe6d6d152e953b2bff8d8202

30991009 as geometric shapes

Circle

Radius = n

Diameter	61982018
Circumference	194722252.40347
Area	3.0173195383681E+15

Sphere

Radius = n

Volume	1.2467970262592E+23
Surface area	1.2069278153472E+16
Circumference	194722252.40347

Square

Length = n

Perimeter	123964036
Area	960442638838081
Diagonal	43827905.239427

Cube

Length = n

Surface area	5762655833028486
Volume	2.9765086464215E+22
Space diagonal	53678002.165824

Equilateral Triangle

Length = n

Perimeter	92973027
Area	4.1588386205577E+14
Altitude	26839001.082912

Triangular Pyramid

Length = n

Surface area	4.1588386205577E+14
Volume	3.5078490802417E+21
Height	14609301.746476