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

81016688 (number)

81016688 is an even 8-digits composite number following 81016687 and preceding 81016689. In scientific notation, it is written as 8.1016688 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors. There are 40198080 positive integers (up to 81016688) that are relatively prime to 81016688.

Interesting facts

81016688 has 20 divisors, whose sum is 158172168
The reverse of 81016688 is 88661018
Previous prime number is 131

Basic properties

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

Name

Name	eighty-one million sixteen thousand six hundred eighty-eight

Notation

Scientific notation	8.1016688 × 10^7
Engineering notation	8.1016688 × 10^6

Prime Factorization of 81016688

Prime Factorization 2 × 2 × 2 × 2 × 131 × 38653

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	6	Total number of prime factors
rad	Radical	10127086	Product of the distinct prime numbers

The prime factorization of 81016688 is 2 × 2 × 2 × 2 × 131 × 38653. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 2, 5, 27, 882, 716, 4986, 9036, 62388, 21757, 822485, 805764, 9000357, 1217889, 35654446, 41760155, 832789483, 697366910, 2686825446, 8376143267

Basic calculations (n = 81016688)

Multiplication

n×y

n×2	162033376
n×3	243050064
n×4	324066752
n×5	405083440

Division

n÷y

n÷2	40508344
n÷3	27005562.666667
n÷3	20254172
n÷5	16203337.6

Exponentiation

n^y

n²	6563703734489344
n³	5.3176953758156E+23
n⁴	4.3082206714149E+31
n⁵	3.4903776997117E+39

Nth Root

^y√n

²√n	9000.9270633641
³√n	432.70458295412
⁴√n	94.873215732176
⁵√n	38.169361667985

Divisors of 81016688

1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 38653, 77306, 154612, 309224, 618448, 5063543, 10127086, 20254172, 40508344, 81016688

20 divisors

τ	Total Divisors	20	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81016687	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.05	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	20	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81016688 can be divided by 20 positive divisors. The sum of these divisors (counting 81016688) is 1, the average is 0.05.

Base conversion 81016688

Base	System	Value
2	Binary	100110101000011011101110000
3	Ternary	12122110002000002
4	Quaternary	10311003131300
5	Quinary	131220013223
6	Senary	12012245132
8	Octal	465033560
10	Decimal	81016688
12	Duodecimal	231707a8
16	Hexadecimal	4d43770
20	Vigesimal	15671e8
36	Base36	1c8gvk

Cryptographic Hash Functions

md5	712c28d4b5f77e28973817058451bfd3
sha1	d9eab29daa9716e0fab10f5265f69b64c58fb768
sha256	6872c051af9ac3d3e25974d9f5729fba55dcbd672c823308e42218b0cb1aa0ab
sha512	884f3922d4eb3005103c0ac532ee87fd57ae0f8088c015bf1d6eeafe7722b28bef7bb45aaffaccae3c846ac16c9d1c2676b7f03af35e87eaa10d002edad5ca74
ripemd-160	e0ee2f53095e59cb1cbbc83d4925d6e7d1063f91

81016688 as geometric shapes

Circle

Radius = n

Diameter	162033376
Circumference	509042863.67795
Area	2.0620483432612E+16

Sphere

Radius = n

Volume	2.2274710302254E+24
Surface area	8.2481933730446E+16
Circumference	509042863.67795

Square

Length = n

Perimeter	324066752
Area	6563703734489344
Diagonal	114574898.94815

Cube

Length = n

Surface area	39382222406936064
Volume	5.3176953758156E+23
Space diagonal	140325019.87696

Equilateral Triangle

Length = n

Perimeter	243050064
Area	2.8421670884913E+15
Altitude	70162509.938478

Triangular Pyramid

Length = n

Surface area	2.8421670884913E+15
Volume	6.2669641008726E+22
Height	38191632.982717