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

81016872 (number)

81016872 is an even 8-digits composite number following 81016871 and preceding 81016873. In scientific notation, it is written as 8.1016872 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 16 positive divisors. There are 27005616 positive integers (up to 81016872) that are relatively prime to 81016872.

Interesting facts

81016872 has 16 divisors, whose sum is 202542240
The reverse of 81016872 is 27861018
Previous prime number is 3

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	eighty-one million sixteen thousand eight hundred seventy-two

Notation

Scientific notation	8.1016872 × 10^7
Engineering notation	8.1016872 × 10^6

Prime Factorization of 81016872

Prime Factorization 2 × 2 × 2 × 3 × 3375703

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	5	Total number of prime factors
rad	Radical	20254218	Product of the distinct prime numbers

The prime factorization of 81016872 is 2 × 2 × 2 × 3 × 3375703. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 1, 69, 65, 560, 960, 6, 1360, 48528, 50493, 161368, 314404, 3720276, 1804881, 54296514, 99798043, 900327831, 63005856, 608096112, 4711432361

Basic calculations (n = 81016872)

Multiplication

n×y

n×2	162033744
n×3	243050616
n×4	324067488
n×5	405084360

Division

n÷y

n÷2	40508436
n÷3	27005624
n÷3	20254218
n÷5	16203374.4

Exponentiation

n^y

n²	6563733548664384
n³	5.3177316075425E+23
n⁴	4.3082598097862E+31
n⁵	3.490417335522E+39

Nth Root

^y√n

²√n	9000.9372845277
³√n	432.704910531
⁴√n	94.873269599649
⁵√n	38.16937900554

Divisors of 81016872

1, 2, 3, 4, 6, 8, 12, 24, 3375703, 6751406, 10127109, 13502812, 20254218, 27005624, 40508436, 81016872

16 divisors

τ	Total Divisors	16	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-81016871	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.0625	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	16	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81016872 can be divided by 16 positive divisors. The sum of these divisors (counting 81016872) is 1, the average is 0.0625.

Base conversion 81016872

Base	System	Value
2	Binary	100110101000011100000101000
3	Ternary	12122110002020220
4	Quaternary	10311003200220
5	Quinary	131220014442
6	Senary	12012250040
8	Octal	465034050
10	Decimal	81016872
12	Duodecimal	23170920
16	Hexadecimal	4d43828
20	Vigesimal	156723c
36	Base36	1c8h0o

Cryptographic Hash Functions

md5	dcc7fdcdb8751308950186654e705c75
sha1	637c3bfb601cce9dad3a49d46fcf483bff6b020e
sha256	221b9ca65902b5d8bb334704e8ad06b6a1f7cabd3bae38a00acbdf8e24ddfb54
sha512	296f9eaa862900df24d24afea2ef1d0c4aa4766688de6cc3d6359b6d01952df3b213b52b71e60c1d1104e6b8684dbff021b3245db0bd3e784d985221a37c5f13
ripemd-160	b2cb3c9da050523eae5f14c7dd1da226409a9ee8

81016872 as geometric shapes

Circle

Radius = n

Diameter	162033744
Circumference	509044019.78405
Area	2.0620577096605E+16

Sphere

Radius = n

Volume	2.2274862069357E+24
Surface area	8.248230838642E+16
Circumference	509044019.78405

Square

Length = n

Perimeter	324067488
Area	6563733548664384
Diagonal	114575159.16345

Cube

Length = n

Surface area	39382401291986304
Volume	5.3177316075425E+23
Space diagonal	140325338.5743

Equilateral Triangle

Length = n

Perimeter	243050616
Area	2.8421799984078E+15
Altitude	70162669.287152

Triangular Pyramid

Length = n

Surface area	2.8421799984078E+15
Volume	6.2670068003722E+22
Height	38191719.721148