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

71312891 (number)

71312891 is an odd 8-digits composite number following 71312890 and preceding 71312892. In scientific notation, it is written as 7.1312891 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 65827272 positive integers (up to 71312891) that are relatively prime to 71312891.

Interesting facts

71312891 has 4 divisors, whose sum is 76798512
The reverse of 71312891 is 19821317
Previous prime number is 13

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 eight hundred ninety-one

Notation

Scientific notation	7.1312891 × 10^7
Engineering notation	7.1312891 × 10^6

Prime Factorization of 71312891

Prime Factorization 13 × 5485607

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	71312891	Product of the distinct prime numbers

The prime factorization of 71312891 is 13 × 5485607. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 7, 33, 15, 841, 686, 4113, 164, 54368, 77017, 714575, 728879, 1709036, 2288766, 63394445, 20177102, 169394175, 800765346, 9192693555, 752890368

Basic calculations (n = 71312891)

Multiplication

n×y

n×2	142625782
n×3	213938673
n×4	285251564
n×5	356564455

Division

n÷y

n÷2	35656445.5
n÷3	23770963.666667
n÷3	17828222.75
n÷5	14262578.2

Exponentiation

n^y

n²	5085528422777881
n³	3.6266373409096E+23
n⁴	2.5862599338882E+31
n⁵	1.8443367276303E+39

Nth Root

^y√n

²√n	8444.6960276851
³√n	414.68915804858
⁴√n	91.895027219568
⁵√n	37.207767144673

Divisors of 71312891

1, 13, 5485607, 71312891

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	-71312890	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 71312891 can be divided by 4 positive divisors. The sum of these divisors (counting 71312891) is 1, the average is 0.25.

Base conversion 71312891

Base	System	Value
2	Binary	100010000000010010111111011
3	Ternary	11222012001220012
4	Quaternary	10100002113323
5	Quinary	121224003031
6	Senary	11024252135
8	Octal	420022773
10	Decimal	71312891
12	Duodecimal	1ba7104b
16	Hexadecimal	44025fb
20	Vigesimal	125e24b
36	Base36	16ghdn

Cryptographic Hash Functions

md5	486243d1ff259fd9b688b05ea1e1ce6d
sha1	c48e99685ddfd45d01a4539355f6f6d40dc0357a
sha256	52efb3aea5717ed6f392cb3d8bfc912dbc631c1559c0f1b649aa3f9ff485d61c
sha512	51b3ce354a1b4fb4053197b3af59de8b3123c2209b1821d291e9983794cc52db07cda4548de97ea954e6679ca5118a98b15b45b22d5a311bbf6baa7a943ddb0c
ripemd-160	7ce05ec4b4cb80f17c048497344178ee10e487bd

71312891 as geometric shapes

Circle

Radius = n

Diameter	142625782
Circumference	448072108.9437
Area	1.5976658732621E+16

Sphere

Radius = n

Volume	1.5191222969915E+24
Surface area	6.3906634930484E+16
Circumference	448072108.9437

Square

Length = n

Perimeter	285251564
Area	5085528422777881
Diagonal	100851657.62423

Cube

Length = n

Surface area	30513170536667286
Volume	3.6266373409096E+23
Space diagonal	123517550.44662

Equilateral Triangle

Length = n

Perimeter	213938673
Area	2.2020984028967E+15
Altitude	61758775.223311

Triangular Pyramid

Length = n

Surface area	2.2020984028967E+15
Volume	4.2740330944359E+22
Height	33617219.208078