81486246 (number)

81486246 is an even 8-digits composite number following 81486245 and preceding 81486247. In scientific notation, it is written as 8.1486246 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 26834664 positive integers (up to 81486246) that are relatively prime to 81486246.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1486246 × 10^7
Engineering notation 8.1486246 × 10^6

Prime Factorization of 81486246

Prime Factorization 2 × 3 × 83 × 163627

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81486246
Product of the distinct prime numbers

The prime factorization of 81486246 is 2 × 3 × 83 × 163627. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 2, 37, 51, 159, 955, 6832, 9158, 67403, 47726, 892920, 374104, 946306, 5034802, 26990461, 76288294, 948383700, 83496076, 3368630672, 1953879769

Basic calculations (n = 81486246)

Multiplication

n×y
n×2 162972492
n×3 244458738
n×4 325944984
n×5 407431230

Division

n÷y
n÷2 40743123
n÷3 27162082
n÷3 20371561.5
n÷5 16297249.2

Exponentiation

ny
n2 6640008287172516
n3 5.4106934873058E+23
n4 4.408971005372E+31
n5 3.5927049595061E+39

Nth Root

y√n
2√n 9026.9732468862
3√n 433.53893215369
4√n 95.010384942312
5√n 38.213503986621

Divisors of 81486246

1, 2, 3, 6, 83, 166, 249, 498, 163627, 327254, 490881, 981762, 13581041, 27162082, 40743123, 81486246

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 -81486245
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 81486246 can be divided by 16 positive divisors. The sum of these divisors (counting 81486246) is 1, the average is 0.0625.

Base conversion 81486246

Base System Value
2 Binary 100110110110110000110100110
3 Ternary 12200022221010010
4 Quaternary 10312312012212
5 Quinary 131330024441
6 Senary 12030311050
8 Octal 466660646
10 Decimal 81486246
12 Duodecimal 23358486
16 Hexadecimal 4db61a6
20 Vigesimal 1595fc6
36 Base36 1cij6u

Cryptographic Hash Functions

md5 e2beba3cd32671fe7f0509641687fd49
sha1 501467475de7d990f212a0c1aaa240f173e7888e
sha256 894172e25cb2f3d047b9a89176362698d39b81f7829efc3817104059e7ddf3e4
sha512 5b3518950edb10ef2934c4d60b897c6c653fbe22fc76f89bdf056f2f4d56c995b187fc097c33b6426b3147051211ff2d7c55e363502f4ad2c0d847f680cb5847
ripemd-160 2d621629c449b469228df2af953329df08e6bb1e

81486246 as geometric shapes

Circle

Radius = n
Diameter 162972492
Circumference 511993183.60442
Area 2.0860201254757E+16

Sphere

Radius = n
Volume 2.2664259880728E+24
Surface area 8.3440805019026E+16
Circumference 511993183.60442

Square

Length = n
Perimeter 325944984
Area 6640008287172516
Diagonal 115238954.24007

Cube

Length = n
Surface area 39840049723035096
Volume 5.4106934873058E+23
Space diagonal 141138318.19006

Equilateral Triangle

Length = n
Perimeter 244458738
Area 2.8752079290153E+15
Altitude 70569159.095028

Triangular Pyramid

Length = n
Surface area 2.8752079290153E+15
Volume 6.3765634263263E+22
Height 38412984.74669