81630448 (number)

81630448 is an even 8-digits composite number following 81630447 and preceding 81630449. In scientific notation, it is written as 8.1630448 × 10^7. The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors. There are 40777344 positive integers (up to 81630448) that are relatively prime to 81630448.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred thirty thousand four hundred forty-eight

Notation

Scientific notation 8.1630448 × 10^7
Engineering notation 8.1630448 × 10^6

Prime Factorization of 81630448

Prime Factorization 2 × 2 × 2 × 2 × 1657 × 3079

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10203806
Product of the distinct prime numbers

The prime factorization of 81630448 is 2 × 2 × 2 × 2 × 1657 × 3079. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 5, 28, 83, 330, 54, 8291, 9960, 29880, 27228, 443708, 1194, 4054142, 4874227, 40398411, 92601164, 647787239, 589800014, 840664157, 201756644

Basic calculations (n = 81630448)

Multiplication

n×y
n×2 163260896
n×3 244891344
n×4 326521792
n×5 408152240

Division

n÷y
n÷2 40815224
n÷3 27210149.333333
n÷3 20407612
n÷5 16326089.6

Exponentiation

ny
n2 6663530040680704
n3 5.4394694248222E+23
n4 4.4402632603054E+31
n5 3.6246067917667E+39

Nth Root

y√n
2√n 9034.9570004511
3√n 433.79451859748
4√n 95.052390819227
5√n 38.227019315834

Divisors of 81630448

1, 2, 4, 8, 16, 1657, 3079, 3314, 6158, 6628, 12316, 13256, 24632, 26512, 49264, 5101903, 10203806, 20407612, 40815224, 81630448

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 -81630447
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 81630448 can be divided by 20 positive divisors. The sum of these divisors (counting 81630448) is 1, the average is 0.05.

Base conversion 81630448

Base System Value
2 Binary 100110111011001010011110000
3 Ternary 12200121020220221
4 Quaternary 10313121103300
5 Quinary 131344133243
6 Senary 12033342424
8 Octal 467312360
10 Decimal 81630448
12 Duodecimal 23407a14
16 Hexadecimal 4dd94f0
20 Vigesimal 15a3g28
36 Base36 1clmgg

Cryptographic Hash Functions

md5 68d7ac769d16a12377284e41df05547b
sha1 5474aa8ae6988867d9c04aca44e25836286fae56
sha256 754206c8edc57ff90f99c56e2ac8607489d8d21e4c139afb7390198e62dbb347
sha512 a6a3cf8456fd6547c22bbc15b0223ebab3193433e1f269f5122a92f7b9db9e45a40637fd65bc4923194eaff7b6e7e49635720f04bff6bc6b6cb05dd76717eddc
ripemd-160 5196ed73824b9136f22457eb10f9b01b947928e6

81630448 as geometric shapes

Circle

Radius = n
Diameter 163260896
Circumference 512899231.49209
Area 2.0934097022777E+16

Sphere

Radius = n
Volume 2.278479624593E+24
Surface area 8.373638809111E+16
Circumference 512899231.49209

Square

Length = n
Perimeter 326521792
Area 6663530040680704
Diagonal 115442886.66419

Cube

Length = n
Surface area 39981180244084224
Volume 5.4394694248222E+23
Space diagonal 141388083.38061

Equilateral Triangle

Length = n
Perimeter 244891344
Area 2.8853931470551E+15
Altitude 70694041.690305

Triangular Pyramid

Length = n
Surface area 2.8853931470551E+15
Volume 6.4104761939145E+22
Height 38480962.221397