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

81708068 (number)

81708068 is an even 8-digits composite number following 81708067 and preceding 81708069. In scientific notation, it is written as 8.1708068 × 10^7. The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors. There are 37711392 positive integers (up to 81708068) that are relatively prime to 81708068.

Interesting facts

81708068 has 12 divisors, whose sum is 153988380
The reverse of 81708068 is 86080718
Previous prime number is 13

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty-one million seven hundred eight thousand sixty-eight

Notation

Scientific notation	8.1708068 × 10^7
Engineering notation	8.1708068 × 10^6

Prime Factorization of 81708068

Prime Factorization 2 × 2 × 13 × 1571309

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	40854034	Product of the distinct prime numbers

The prime factorization of 81708068 is 2 × 2 × 13 × 1571309. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 20, 23, 636, 594, 2429, 9452, 30129, 55876, 638028, 274787, 6027894, 2971362, 87431153, 36071511, 905201848, 945628875, 4008312306, 1109470582

Basic calculations (n = 81708068)

Multiplication

n×y

n×2	163416136
n×3	245124204
n×4	326832272
n×5	408540340

Division

n÷y

n÷2	40854034
n÷3	27236022.666667
n÷3	20427017
n÷5	16341613.6

Exponentiation

n^y

n²	6676208376292624
n³	5.4550008799229E+23
n⁴	4.457175828368E+31
n⁵	3.6418722567225E+39

Nth Root

^y√n

²√n	9039.2515176866
³√n	433.93196920444
⁴√n	95.074978399612
⁵√n	38.234286342766

Divisors of 81708068

1, 2, 4, 13, 26, 52, 1571309, 3142618, 6285236, 20427017, 40854034, 81708068

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81708067	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81708068 can be divided by 12 positive divisors. The sum of these divisors (counting 81708068) is 1, the average is 0.083333333333333.

Base conversion 81708068

Base	System	Value
2	Binary	100110111101100010000100100
3	Ternary	12200202012101202
4	Quaternary	10313230100210
5	Quinary	131404124233
6	Senary	12035142032
8	Octal	467542044
10	Decimal	81708068
12	Duodecimal	23444918
16	Hexadecimal	4dec424
20	Vigesimal	15ada38
36	Base36	1cnack

Cryptographic Hash Functions

md5	ae3e66b8677769d7069b2ce2753d95b4
sha1	f23356a7aef95e499823ee1cc2a34d6b1a93e5b4
sha256	40a54a51a5d2336d2f83995db5059835505736235dfc774c0c1de3429fbc1ca7
sha512	a3371971073c675e0679fce12d317aacdbc12f8d3c421e50cedeb55ce04745beb0123c987b5a10b3b6079b65459ef41059bc474cd6370f882e681b7c869f3f1c
ripemd-160	4361f1362cfcb3bae6e0acf9c45d24c9e8b1b473

81708068 as geometric shapes

Circle

Radius = n

Diameter	163416136
Circumference	513386932.33563
Area	2.0973927188796E+16

Sphere

Radius = n

Volume	2.2849854252922E+24
Surface area	8.3895708755182E+16
Circumference	513386932.33563

Square

Length = n

Perimeter	326832272
Area	6676208376292624
Diagonal	115552657.9209

Cube

Length = n

Surface area	40057250257755744
Volume	5.4550008799229E+23
Space diagonal	141522525.16429

Equilateral Triangle

Length = n

Perimeter	245124204
Area	2.8908830274139E+15
Altitude	70761262.582146

Triangular Pyramid

Length = n

Surface area	2.8908830274139E+15
Volume	6.4287801892867E+22
Height	38517552.640301