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

31381909 (number)

31381909 is an odd 8-digits composite number following 31381908 and preceding 31381910. In scientific notation, it is written as 3.1381909 × 10^7. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 28967904 positive integers (up to 31381909) that are relatively prime to 31381909.

Interesting facts

31381909 has 4 divisors, whose sum is 33795916
The reverse of 31381909 is 90918313
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7

Name

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

Notation

Scientific notation	3.1381909 × 10^7
Engineering notation	3.1381909 × 10^6

Prime Factorization of 31381909

Prime Factorization 13 × 2413993

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	31381909	Product of the distinct prime numbers

The prime factorization of 31381909 is 13 × 2413993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 9, 86, 89, 971, 118, 3636, 2534, 782, 68147, 594137, 257459, 2886581, 8890625, 86507447, 7981283, 595876433, 2337356, 2464550720, 5377347060

Basic calculations (n = 31381909)

Multiplication

n×y

n×2	62763818
n×3	94145727
n×4	125527636
n×5	156909545

Division

n÷y

n÷2	15690954.5
n÷3	10460636.333333
n÷3	7845477.25
n÷5	6276381.8

Exponentiation

n^y

n²	984824212484281
n³	3.0905663817178E+22
n⁴	9.6987872949528E+29
n⁵	3.0436646030057E+37

Nth Root

^y√n

²√n	5601.955819176
³√n	315.42282682429
⁴√n	74.846214461227
⁵√n	31.574455633775

Divisors of 31381909

1, 13, 2413993, 31381909

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	-31381908	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 31381909 can be divided by 4 positive divisors. The sum of these divisors (counting 31381909) is 1, the average is 0.25.

Base conversion 31381909

Base	System	Value
2	Binary	1110111101101100110010101
3	Ternary	2012001100212221
4	Quaternary	1313231212111
5	Quinary	31013210114
6	Senary	3040342341
8	Octal	167554625
10	Decimal	31381909
12	Duodecimal	a6149b1
16	Hexadecimal	1ded995
20	Vigesimal	9g2ef9
36	Base36	iomfp

Cryptographic Hash Functions

md5	6be755c8989f8b720f57f18084f314e0
sha1	048e798907ac289bee4b477596dd368e7e9743d8
sha256	6e13b81453efa4fdb726216ea386f36efe156ceeb8df32a0a4f81fa85c00fb0e
sha512	341297b666abe6e8937d162432d8f65eaab2c60383c00aea2fa3087f9926f57013c6054cec22e940b37015714fe99b227921970da3434c19cd67303c81b5b644
ripemd-160	0873153dc4cebb52a7312307a0a63aaca5755d54

31381909 as geometric shapes

Circle

Radius = n

Diameter	62763818
Circumference	197178349.54005
Area	3.093916511018E+15

Sphere

Radius = n

Volume	1.2945734186982E+23
Surface area	1.2375666044072E+16
Circumference	197178349.54005

Square

Length = n

Perimeter	125527636
Area	984824212484281
Diagonal	44380721.320958

Cube

Length = n

Surface area	5908945274905686
Volume	3.0905663817178E+22
Space diagonal	54355060.826503

Equilateral Triangle

Length = n

Perimeter	94145727
Area	4.264413931367E+14
Altitude	27177530.413252

Triangular Pyramid

Length = n

Surface area	4.264413931367E+14
Volume	3.6422674103664E+21
Height	14793573.773653