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

31361981 (number)

31361981 is an odd 8-digits composite number following 31361980 and preceding 31361982. In scientific notation, it is written as 3.1361981 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 26425728 positive integers (up to 31361981) that are relatively prime to 31361981.

Interesting facts

31361981 has 8 divisors, whose sum is 36450240
The reverse of 31361981 is 18916313
Previous prime number is 59

Basic properties

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

Name

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

Notation

Scientific notation	3.1361981 × 10^7
Engineering notation	3.1361981 × 10^6

Prime Factorization of 31361981

Prime Factorization 7 × 59 × 75937

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	31361981	Product of the distinct prime numbers

The prime factorization of 31361981 is 7 × 59 × 75937. Since it has a total of 3 prime factors.

Most popular turbo-numbers

9, 7, 73, 78, 159, 5, 3341, 151, 902, 74484, 336810, 354808, 3676949, 4504096, 9186109, 88454256, 490718792, 879611526, 1878730695, 9863137326

Basic calculations (n = 31361981)

Multiplication

n×y

n×2	62723962
n×3	94085943
n×4	125447924
n×5	156809905

Division

n÷y

n÷2	15680990.5
n÷3	10453993.666667
n÷3	7840495.25
n÷5	6272396.2

Exponentiation

n^y

n²	983573852244361
n³	3.0846824466184E+22
n⁴	9.6741752281881E+29
n⁵	3.0340129969711E+37

Nth Root

^y√n

²√n	5600.1768722068
³√n	315.35604655419
⁴√n	74.834329503289
⁵√n	31.570444560787

Divisors of 31361981

1, 7, 59, 413, 75937, 531559, 4480283, 31361981

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	-31361980	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 31361981 can be divided by 8 positive divisors. The sum of these divisors (counting 31361981) is 1, the average is 0.125.

Base conversion 31361981

Base	System	Value
2	Binary	1110111101000101110111101
3	Ternary	2012000100112212
4	Quaternary	1313220232331
5	Quinary	31012040411
6	Senary	3040110205
8	Octal	167505675
10	Decimal	31361981
12	Duodecimal	a605365
16	Hexadecimal	1de8bbd
20	Vigesimal	9g04j1
36	Base36	io725

Cryptographic Hash Functions

md5	f555d3c6319ba5c64cbc550b235ade82
sha1	65558c9308aefd75e06b2af506be526a8fcb5957
sha256	45d24d52d55cf9143c5fefd0fb71761e6434182afccbba3159048fc7883bc3dc
sha512	f651eab71395bbd63c5be506b3b92f1086c60922b46d9050ad298419cf38e8fd10148084292ffe26e35fdad556a02aa588cdf6eb7361eeee501324eb7af85c16
ripemd-160	f1a52b43ae807ad04c362b59122712dd3a35afe3

31361981 as geometric shapes

Circle

Radius = n

Diameter	62723962
Circumference	197053138.22325
Area	3.0899883884739E+15

Sphere

Radius = n

Volume	1.2921087617272E+23
Surface area	1.2359953553896E+16
Circumference	197053138.22325

Square

Length = n

Perimeter	125447924
Area	983573852244361
Diagonal	44352538.873087

Cube

Length = n

Surface area	5901443113466166
Volume	3.0846824466184E+22
Space diagonal	54320544.51801

Equilateral Triangle

Length = n

Perimeter	94085943
Area	4.2589997127087E+14
Altitude	27160272.259005

Triangular Pyramid

Length = n

Surface area	4.2589997127087E+14
Volume	3.6353331263517E+21
Height	14784179.624362