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

71312981 (number)

71312981 is an odd 8-digits composite number following 71312980 and preceding 71312982. In scientific notation, it is written as 7.1312981 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 69338880 positive integers (up to 71312981) that are relatively prime to 71312981.

Interesting facts

71312981 has 8 divisors, whose sum is 73298904
The reverse of 71312981 is 18921317
Previous prime number is 313

Basic properties

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

Name

Name	seventy-one million three hundred twelve thousand nine hundred eighty-one

Notation

Scientific notation	7.1312981 × 10^7
Engineering notation	7.1312981 × 10^6

Prime Factorization of 71312981

Prime Factorization 41 × 313 × 5557

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	71312981	Product of the distinct prime numbers

The prime factorization of 71312981 is 41 × 313 × 5557. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 2, 8, 69, 286, 376, 8625, 3765, 87507, 46185, 210871, 57458, 8692144, 4803648, 18472160, 80558140, 565854183, 134261085, 5210535396, 9283215500

Basic calculations (n = 71312981)

Multiplication

n×y

n×2	142625962
n×3	213938943
n×4	285251924
n×5	356564905

Division

n÷y

n÷2	35656490.5
n÷3	23770993.666667
n÷3	17828245.25
n÷5	14262596.2

Exponentiation

n^y

n²	5085541259106361
n³	3.6266510718537E+23
n⁴	2.5862729898073E+31
n⁵	1.8443483658294E+39

Nth Root

^y√n

²√n	8444.701356472
³√n	414.68933250048
⁴√n	91.895056213444
⁵√n	37.207776536235

Divisors of 71312981

1, 41, 313, 5557, 12833, 227837, 1739341, 71312981

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	-71312980	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 71312981 can be divided by 8 positive divisors. The sum of these divisors (counting 71312981) is 1, the average is 0.125.

Base conversion 71312981

Base	System	Value
2	Binary	100010000000010011001010101
3	Ternary	11222012002000112
4	Quaternary	10100002121111
5	Quinary	121224003411
6	Senary	11024252405
8	Octal	420023125
10	Decimal	71312981
12	Duodecimal	1ba71105
16	Hexadecimal	4402655
20	Vigesimal	125e291
36	Base36	16ghg5

Cryptographic Hash Functions

md5	ffcbc45a7275aafdb71fbb8e574a2d18
sha1	c9329754cfbc2a79226b6a0c4bc0d1bd97cf9fe9
sha256	71799f7bc6baa1b4d134a619b47206a4baf171025cc8e66e05d1a93a38bda697
sha512	53d1ec52f8894cb2eb5a4c5f18b0414585cf8600365ae499c2a34926233904f154c6b7b8113fb03ff756dbfebd16e400041c1e86197b005b0dd6a904b8baaa50
ripemd-160	1ca462e8b4d613bd10cb6d51712e7f1912e8d4bd

71312981 as geometric shapes

Circle

Radius = n

Diameter	142625962
Circumference	448072674.43038
Area	1.5976699059136E+16

Sphere

Radius = n

Volume	1.5191280485959E+24
Surface area	6.3906796236545E+16
Circumference	448072674.43038

Square

Length = n

Perimeter	285251924
Area	5085541259106361
Diagonal	100851784.90345

Cube

Length = n

Surface area	30513247554638166
Volume	3.6266510718537E+23
Space diagonal	123517706.33119

Equilateral Triangle

Length = n

Perimeter	213938943
Area	2.20210396119E+15
Altitude	61758853.165597

Triangular Pyramid

Length = n

Surface area	2.20210396119E+15
Volume	4.2740492765087E+22
Height	33617261.634485