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

30431981 (number)

30431981 is an odd 8-digits prime number following 30431980 and preceding 30431982. In scientific notation, it is written as 3.0431981 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 30431980 positive integers (up to 30431981) that are relatively prime to 30431981.

Interesting facts

30431981 has 2 divisors, whose sum is 30431982
The reverse of 30431981 is 18913403
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2

Name

Name	thirty million four hundred thirty-one thousand nine hundred eighty-one

Notation

Scientific notation	3.0431981 × 10^7
Engineering notation	3.0431981 × 10^6

Prime Factorization of 30431981

Prime Factorization 30431981

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	30431981	Product of the distinct prime numbers

The prime factorization of 30431981 is 30431981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 5, 10, 59, 336, 63, 9355, 3168, 14866, 61562, 414351, 386158, 7878309, 2149948, 3990696, 98094466, 984016323, 559051426, 622851450, 7177905792

Basic calculations (n = 30431981)

Multiplication

n×y

n×2	60863962
n×3	91295943
n×4	121727924
n×5	152159905

Division

n÷y

n÷2	15215990.5
n÷3	10143993.666667
n÷3	7607995.25
n÷5	6086396.2

Exponentiation

n^y

n²	926105467584361
n³	2.8183223993523E+22
n⁴	8.5767133708965E+29
n⁵	2.6100637834557E+37

Nth Root

^y√n

²√n	5516.5189204787
³√n	312.20755488811
⁴√n	74.273271911763
⁵√n	31.380946958882

Divisors of 30431981

1, 30431981

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	30431982	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	15215991	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	5516.5190111156	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999342797	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 30431981 can be divided by 2 positive divisors. The sum of these divisors (counting 30431981) is 30431982, the average is 15215991.

Base conversion 30431981

Base	System	Value
2	Binary	1110100000101101011101101
3	Ternary	2010021002211102
4	Quaternary	1310011223231
5	Quinary	30242310411
6	Senary	3004132445
8	Octal	164055355
10	Decimal	30431981
12	Duodecimal	a237125
16	Hexadecimal	1d05aed
20	Vigesimal	9a3jj1
36	Base36	i49gt

Cryptographic Hash Functions

md5	4557d77d14a6bbea0350dcd222f07bf9
sha1	4abec99a726ee7c3ae19978950a118cf5232afe1
sha256	40cc7a8e7b17837cd39c33dd4c4926c54083e9bf8f053e927a425ce1974c64e5
sha512	2128e441480fee7d488638af2b72748f437e2cc6722dfc7373e0a495be6e4859538dbb4236eb2670333675580f3688b23f3e6e74b043698fcee039736a4ed7be
ripemd-160	59b8d95542f0fc3fc6bb1993e1429974d3768dab

30431981 as geometric shapes

Circle

Radius = n

Diameter	60863962
Circumference	191209775.88757
Area	2.9094461334124E+15

Sphere

Radius = n

Volume	1.1805361260337E+23
Surface area	1.1637784533649E+16
Circumference	191209775.88757

Square

Length = n

Perimeter	121727924
Area	926105467584361
Diagonal	43037320.26008

Cube

Length = n

Surface area	5556632805506166
Volume	2.8183223993523E+22
Space diagonal	52709737.266971

Equilateral Triangle

Length = n

Perimeter	91295943
Area	4.0101543075586E+14
Altitude	26354868.633485

Triangular Pyramid

Length = n

Surface area	4.0101543075586E+14
Volume	3.3214248002533E+21
Height	14345773.420027