81502486 (number)

81502486 is an even 8-digits composite number following 81502485 and preceding 81502487. In scientific notation, it is written as 8.1502486 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 37445184 positive integers (up to 81502486) that are relatively prime to 81502486.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1502486 × 10^7
Engineering notation 8.1502486 × 10^6

Prime Factorization of 81502486

Prime Factorization 2 × 13 × 223 × 14057

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81502486
Product of the distinct prime numbers

The prime factorization of 81502486 is 2 × 13 × 223 × 14057. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81502486)

Multiplication

n×y
n×2 163004972
n×3 244507458
n×4 326009944
n×5 407512430

Division

n÷y
n÷2 40751243
n÷3 27167495.333333
n÷3 20375621.5
n÷5 16300497.2

Exponentiation

ny
n2 6642655224180196
n3 5.4139291441157E+23
n4 4.4124868427328E+31
n5 3.5962864712502E+39

Nth Root

y√n
2√n 9027.8727283896
3√n 433.56773130662
4√n 95.015118420121
5√n 38.215027035893

Divisors of 81502486

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 -81502485
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 81502486 can be divided by 16 positive divisors. The sum of these divisors (counting 81502486) is 1, the average is 0.0625.

Base conversion 81502486

Base System Value
2 Binary 100110110111010000100010110
3 Ternary 12200100202101121
4 Quaternary 10312322010112
5 Quinary 131331034421
6 Senary 12030514154
8 Octal 466720426
10 Decimal 81502486
12 Duodecimal 2336595a
16 Hexadecimal 4dba116
20 Vigesimal 1597g46
36 Base36 1civpy

Cryptographic Hash Functions

md5 4d5ec804b91abe78cd7160a19813de78
sha1 146691bef95e28283dc5d19674e23564c6b9153d
sha256 ed1c5892fb76dd8ddd75363f595b6371ceb33471ec452c5f85f36070a193e780
sha512 a88805399f770ff1c001f34f18b25f00bc40602df2b1f0f30a1850a733526440106558bdb29e60451e6e8e6f6595e90f7bac4b755fc6930d77de59630fd9663a
ripemd-160 5540678e73ccdd653af0fb4d33ecdb63ef5e038e

81502486 as geometric shapes

Circle

Radius = n
Diameter 163004972
Circumference 512095222.53381
Area 2.0868516852614E+16

Sphere

Radius = n
Volume 2.267781336828E+24
Surface area 8.3474067410457E+16
Circumference 512095222.53381

Square

Length = n
Perimeter 326009944
Area 6642655224180196
Diagonal 115261921.06832

Cube

Length = n
Surface area 39855931345081176
Volume 5.4139291441157E+23
Space diagonal 141166446.69517

Equilateral Triangle

Length = n
Perimeter 244507458
Area 2.8763540863607E+15
Altitude 70583223.347586

Triangular Pyramid

Length = n
Surface area 2.8763540863607E+15
Volume 6.3803766844462E+22
Height 38420640.356108