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

71389781 (number)

71389781 is an odd 8-digits composite number following 71389780 and preceding 71389782. In scientific notation, it is written as 7.1389781 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 70042752 positive integers (up to 71389781) that are relatively prime to 71389781.

Interesting facts

71389781 has 4 divisors, whose sum is 72736812
The reverse of 71389781 is 18798317
Previous prime number is 53

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8

Name

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

Notation

Scientific notation	7.1389781 × 10^7
Engineering notation	7.1389781 × 10^6

Prime Factorization of 71389781

Prime Factorization 53 × 1346977

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	71389781	Product of the distinct prime numbers

The prime factorization of 71389781 is 53 × 1346977. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 3, 76, 70, 255, 372, 6717, 5613, 18408, 64476, 363191, 67247, 1159194, 5284352, 82691135, 18754111, 807478797, 65650054, 3271488467, 4216511295

Basic calculations (n = 71389781)

Multiplication

n×y

n×2	142779562
n×3	214169343
n×4	285559124
n×5	356948905

Division

n÷y

n÷2	35694890.5
n÷3	23796593.666667
n÷3	17847445.25
n÷5	14277956.2

Exponentiation

n^y

n²	5096500831227961
n³	3.6383807820768E+23
n⁴	2.5974320722707E+31
n⁵	1.8543010680178E+39

Nth Root

^y√n

²√n	8449.2473629312
³√n	414.83814465338
⁴√n	91.919787657126
⁵√n	37.21578721542

Divisors of 71389781

1, 53, 1346977, 71389781

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	-71389780	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 71389781 can be divided by 4 positive divisors. The sum of these divisors (counting 71389781) is 1, the average is 0.25.

Base conversion 71389781

Base	System	Value
2	Binary	100010000010101001001010101
3	Ternary	11222022222100222
4	Quaternary	10100111021111
5	Quinary	121233433111
6	Senary	11030044125
8	Octal	420251125
10	Decimal	71389781
12	Duodecimal	1baa9645
16	Hexadecimal	4415255
20	Vigesimal	1263e91
36	Base36	16i4ph

Cryptographic Hash Functions

md5	0ac5e2dcb920446a0786b3345cb33102
sha1	298fc7943db3fe395670b1f1a795344644ca4117
sha256	fb2d798aa412d07c549fc275e2cc0d4adb646bb8c7ebd8900605721fc5603096
sha512	f7056bc69a01e16cabb587db11dc1531328178ed9c96181adb9762928d80be747fbd68da2daa1a61a72ada127c76d0d5deee88429beeee0f2ce7067132ffff4c
ripemd-160	00d4c6dfe3fdaf6c26143db63a7153afb2b04bb5

71389781 as geometric shapes

Circle

Radius = n

Diameter	142779562
Circumference	448555223.06197
Area	1.60111295704E+16

Sphere

Radius = n

Volume	1.5240413781246E+24
Surface area	6.40445182816E+16
Circumference	448555223.06197

Square

Length = n

Perimeter	285559124
Area	5096500831227961
Diagonal	100960396.50505

Cube

Length = n

Surface area	30579004987367766
Volume	3.6383807820768E+23
Space diagonal	123650727.83322

Equilateral Triangle

Length = n

Perimeter	214169343
Area	2.206849595126E+15
Altitude	61825363.916608

Triangular Pyramid

Length = n

Surface area	2.206849595126E+15
Volume	4.2878728725756E+22
Height	33653465.501682