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

81042613 (number)

81042613 is an odd 8-digits prime number following 81042612 and preceding 81042614. In scientific notation, it is written as 8.1042613 × 10^7. The sum of its digits is 25. It has a total of 1 prime factors and 2 positive divisors. There are 81042612 positive integers (up to 81042613) that are relatively prime to 81042613.

Interesting facts

81042613 has 2 divisors, whose sum is 81042614
The reverse of 81042613 is 31624018
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	eighty-one million forty-two thousand six hundred thirteen

Notation

Scientific notation	8.1042613 × 10^7
Engineering notation	8.1042613 × 10^6

Prime Factorization of 81042613

Prime Factorization 81042613

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	81042613	Product of the distinct prime numbers

The prime factorization of 81042613 is 81042613. Since it has a total of 1 prime factors.

Most popular turbo-numbers

3, 4, 13, 84, 305, 476, 8932, 9683, 7868, 24999, 43060, 639538, 8401909, 5284546, 46888895, 12693345, 93243962, 129680074, 7487786091, 1496459917

Basic calculations (n = 81042613)

Multiplication

n×y

n×2	162085226
n×3	243127839
n×4	324170452
n×5	405213065

Division

n÷y

n÷2	40521306.5
n÷3	27014204.333333
n÷3	20260653.25
n÷5	16208522.6

Exponentiation

n^y

n²	6567905121867769
n³	5.3228019301225E+23
n⁴	4.3137377689857E+31
n⁵	3.4959658059539E+39

Nth Root

^y√n

²√n	9002.367077608
³√n	432.75073258183
⁴√n	94.880804579261
⁵√n	38.171804162465

Divisors of 81042613

1, 81042613

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	81042614	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	40521307	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	9002.3671331489	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999999753216	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81042613 can be divided by 2 positive divisors. The sum of these divisors (counting 81042613) is 81042614, the average is 40521307.

Base conversion 81042613

Base	System	Value
2	Binary	100110101001001110010110101
3	Ternary	12122111101120021
4	Quaternary	10311021302311
5	Quinary	131221330423
6	Senary	12013005141
8	Octal	465116265
10	Decimal	81042613
12	Duodecimal	231837b1
16	Hexadecimal	4d49cb5
20	Vigesimal	156a6ad
36	Base36	1c90vp

Cryptographic Hash Functions

md5	06545bf6ec40af7d520d9e065a6d1a00
sha1	2897b6e6311b5aa9698f308db6823ec7ade4c955
sha256	cd92c6e9e18a634141193f779b589e9c39cce818ddad25f97e2c399d22a6d38f
sha512	6a881117be663123b53788d50c1f98406f89bd05a3102a0d705d0dbc66e7c8a62e36c1a7b9127cb1e1c10f96590b7944694edd11bf18207567fa09f989f165d9
ripemd-160	9c11d39e785e88d07c91ab32c3ad8864c4ff5927

81042613 as geometric shapes

Circle

Radius = n

Diameter	162085226
Circumference	509205755.25704
Area	2.0633682480335E+16

Sphere

Radius = n

Volume	2.2296100586915E+24
Surface area	8.2534729921338E+16
Circumference	509205755.25704

Square

Length = n

Perimeter	324170452
Area	6567905121867769
Diagonal	114611562.43475

Cube

Length = n

Surface area	39407430731206614
Volume	5.3228019301225E+23
Space diagonal	140369923.29414

Equilateral Triangle

Length = n

Perimeter	243127839
Area	2.8439863425917E+15
Altitude	70184961.647071

Triangular Pyramid

Length = n

Surface area	2.8439863425917E+15
Volume	6.2729822328374E+22
Height	38203854.144918