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

81672085 (number)

81672085 is an odd 8-digits composite number following 81672084 and preceding 81672086. In scientific notation, it is written as 8.1672085 × 10^7. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 59397840 positive integers (up to 81672085) that are relatively prime to 81672085.

Interesting facts

81672085 has 4 divisors, whose sum is 83157088
The reverse of 81672085 is 58027618
Previous prime number is 55

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1

Name

Name	eighty-one million six hundred seventy-two thousand eighty-five

Notation

Scientific notation	8.1672085 × 10^7
Engineering notation	8.1672085 × 10^6

Prime Factorization of 81672085

Prime Factorization 55 × 1484947

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81672085	Product of the distinct prime numbers

The prime factorization of 81672085 is 55 × 1484947. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 8, 89, 5, 904, 345, 9083, 9093, 43217, 73368, 828829, 52071, 1296194, 9036426, 66427865, 7525603, 76712756, 478427517, 2513480113, 2717705242

Basic calculations (n = 81672085)

Multiplication

n×y

n×2	163344170
n×3	245016255
n×4	326688340
n×5	408360425

Division

n÷y

n÷2	40836042.5
n÷3	27224028.333333
n÷3	20418021.25
n÷5	16334417

Exponentiation

n^y

n²	6670329468247225
n³	5.4477971530869E+23
n⁴	4.4493295214967E+31
n⁵	3.6338601887269E+39

Nth Root

^y√n

²√n	9037.2609235321
³√n	433.86826082135
⁴√n	95.064509274135
⁵√n	38.230918188867

Divisors of 81672085

1, 55, 1484947, 81672085

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	-81672084	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 81672085 can be divided by 4 positive divisors. The sum of these divisors (counting 81672085) is 1, the average is 0.25.

Base conversion 81672085

Base	System	Value
2	Binary	100110111100011011110010101
3	Ternary	12200200101001001
4	Quaternary	10313203132111
5	Quinary	131402001320
6	Senary	12034303301
8	Octal	467433625
10	Decimal	81672085
12	Duodecimal	23427b31
16	Hexadecimal	4de3795
20	Vigesimal	15a9045
36	Base36	1cmil1

Cryptographic Hash Functions

md5	d0929af6a0450ddb818739565402e49d
sha1	ce21d129f6f09099cc200b480c11ed55e1bdee26
sha256	99bc8f71b8e04532744c69f6e8cdbe489337b9149d9238481159ca4f006ea2fa
sha512	8bf6e5985136d730be8f537702f2cf6fae936bd0b41c5552d13ded8f868d390d0c307eabb32d7f58ad0f0bbb49c9c3605287cfa5876d2ed0bbf1c10eb140bea7
ripemd-160	b571aa144df43858a0061afd1d36f5b0313d03ce

81672085 as geometric shapes

Circle

Radius = n

Diameter	163344170
Circumference	513160844.47872
Area	2.0955458054469E+16

Sphere

Radius = n

Volume	2.2819679352514E+24
Surface area	8.3821832217876E+16
Circumference	513160844.47872

Square

Length = n

Perimeter	326688340
Area	6670329468247225
Diagonal	115501770.27429

Cube

Length = n

Surface area	40021976809483350
Volume	5.4477971530869E+23
Space diagonal	141460200.78008

Equilateral Triangle

Length = n

Perimeter	245016255
Area	2.888337385557E+15
Altitude	70730100.390042

Triangular Pyramid

Length = n

Surface area	2.888337385557E+15
Volume	6.4202905157942E+22
Height	38500590.091429