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

30996981 (number)

30996981 is an odd 8-digits composite number following 30996980 and preceding 30996982. In scientific notation, it is written as 3.0996981 × 10^7. The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors. There are 20532096 positive integers (up to 30996981) that are relatively prime to 30996981.

Interesting facts

30996981 has 8 divisors, whose sum is 34662040
The reverse of 30996981 is 18969903
Previous prime number is 157

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9

Name

Name	thirty million nine hundred ninety-six thousand nine hundred eighty-one

Notation

Scientific notation	3.0996981 × 10^7
Engineering notation	3.0996981 × 10^6

Prime Factorization of 30996981

Prime Factorization 9 × 157 × 21937

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	30996981	Product of the distinct prime numbers

The prime factorization of 30996981 is 9 × 157 × 21937. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 10, 25, 55, 668, 163, 4084, 9193, 91892, 79308, 672108, 201003, 4288043, 8300078, 87645547, 91689023, 269144173, 691605672, 766646804, 6538406923

Basic calculations (n = 30996981)

Multiplication

n×y

n×2	61993962
n×3	92990943
n×4	123987924
n×5	154984905

Division

n÷y

n÷2	15498490.5
n÷3	10332327
n÷3	7749245.25
n÷5	6199396.2

Exponentiation

n^y

n²	960812831114361
n³	2.9782297070608E+22
n⁴	9.2316129643399E+29
n⁵	2.86152131655E+37

Nth Root

^y√n

²√n	5567.4932420255
³√n	314.12786724336
⁴√n	74.615636712592
⁵√n	31.496614823058

Divisors of 30996981

1, 9, 157, 1413, 21937, 197433, 3444109, 30996981

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-30996980	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30996981 can be divided by 8 positive divisors. The sum of these divisors (counting 30996981) is 1, the average is 0.125.

Base conversion 30996981

Base	System	Value
2	Binary	1110110001111100111110101
3	Ternary	2011022210212100
4	Quaternary	1312033213311
5	Quinary	30413400411
6	Senary	3024212313
8	Octal	166174765
10	Decimal	30996981
12	Duodecimal	a46a099
16	Hexadecimal	1d8f9f5
20	Vigesimal	9dec91
36	Base36	igdf9

Cryptographic Hash Functions

md5	428825b21bbd2bc0cb21caf053b736f6
sha1	f3024e531185ebf35e5d967f6d09e38816d5c736
sha256	5e4d9c0d34aca8e21cfc4f23fc2e718544a5b0f0b8621fb3557a7bc6804026d8
sha512	0e32e091f3be4f2b5f60690a3ba585f23335dff2b9e78b68cc1536e5fc9faafd6795a395f72adbc05fb9ea828cc5193182233351b9dba0a554083c2c0199cd64
ripemd-160	29614fc0ec0cc36b0b68218c5cb0563015a36f78

30996981 as geometric shapes

Circle

Radius = n

Diameter	61993962
Circumference	194759775.58612
Area	3.0184825317037E+15

Sphere

Radius = n

Volume	1.247517942454E+23
Surface area	1.2073930126815E+16
Circumference	194759775.58612

Square

Length = n

Perimeter	123987924
Area	960812831114361
Diagonal	43836350.922821

Cube

Length = n

Surface area	5764876986686166
Volume	2.9782297070608E+22
Space diagonal	53688345.973247

Equilateral Triangle

Length = n

Perimeter	92990943
Area	4.1604416001354E+14
Altitude	26844172.986624

Triangular Pyramid

Length = n

Surface area	4.1604416001354E+14
Volume	3.5098773696565E+21
Height	14612116.974274