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

81528061 (number)

81528061 is an odd 8-digits composite number following 81528060 and preceding 81528062. In scientific notation, it is written as 8.1528061 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 81314812 positive integers (up to 81528061) that are relatively prime to 81528061.

Interesting facts

81528061 has 4 divisors, whose sum is 81741312
The reverse of 81528061 is 16082518
Previous prime number is 383

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4

Name

Name	eighty-one million five hundred twenty-eight thousand sixty-one

Notation

Scientific notation	8.1528061 × 10^7
Engineering notation	8.1528061 × 10^6

Prime Factorization of 81528061

Prime Factorization 383 × 212867

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	81528061	Product of the distinct prime numbers

The prime factorization of 81528061 is 383 × 212867. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 83, 68, 506, 622, 4928, 6956, 21401, 94530, 968608, 485417, 5779921, 9098582, 45180797, 92403415, 978551973, 558088027, 1744498453, 7098762380

Basic calculations (n = 81528061)

Multiplication

n×y

n×2	163056122
n×3	244584183
n×4	326112244
n×5	407640305

Division

n÷y

n÷2	40764030.5
n÷3	27176020.333333
n÷3	20382015.25
n÷5	16305612.2

Exponentiation

n^y

n²	6646824730419721
n³	5.4190273207797E+23
n⁴	4.4180278996919E+31
n⁵	3.6019324810578E+39

Nth Root

^y√n

²√n	9029.2890639297
³√n	433.61307689725
⁴√n	95.022571339286
⁵√n	38.217425064991

Divisors of 81528061

1, 383, 212867, 81528061

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	-81528060	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 81528061 can be divided by 4 positive divisors. The sum of these divisors (counting 81528061) is 1, the average is 0.25.

Base conversion 81528061

Base	System	Value
2	Binary	100110111000000010011111101
3	Ternary	12200102001110211
4	Quaternary	10313000103331
5	Quinary	131332344221
6	Senary	12031232421
8	Octal	467002375
10	Decimal	81528061
12	Duodecimal	23378711
16	Hexadecimal	4dc04fd
20	Vigesimal	159b031
36	Base36	1cjfgd

Cryptographic Hash Functions

md5	5ec5f8dfc57bcab076c7236b57758b0a
sha1	24549e780d94a801f03688df94e13334210b6806
sha256	0b5da26ca28085970bb2cac9d1a0941c6d40bdf98354e65dff9e8507a021a92f
sha512	b80bec40e7295feb745432e36dff7a2ba6c574c87760ed156b8564d293e72692dd4d4d5556ec316463a9d378e7e01fbb6ba1018808f98418526564c9770ea1e4
ripemd-160	7024c57d1b2f6945fddae00a00af6a39de9f4424

81528061 as geometric shapes

Circle

Radius = n

Diameter	163056122
Circumference	512255914.99804
Area	2.0881615742786E+16

Sphere

Radius = n

Volume	2.2699168560752E+24
Surface area	8.3526462971142E+16
Circumference	512255914.99804

Square

Length = n

Perimeter	326112244
Area	6646824730419721
Diagonal	115298089.58018

Cube

Length = n

Surface area	39880948382518326
Volume	5.4190273207797E+23
Space diagonal	141210743.89457

Equilateral Triangle

Length = n

Perimeter	244584183
Area	2.8781595355231E+15
Altitude	70605371.947287

Triangular Pyramid

Length = n

Surface area	2.8781595355231E+15
Volume	6.3863849432641E+22
Height	38432696.526727