81650470 (number)

81650470 is an even 8-digits composite number following 81650469 and preceding 81650471. In scientific notation, it is written as 8.1650470 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 29691040 positive integers (up to 81650470) that are relatively prime to 81650470.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred fifty thousand four hundred seventy

Notation

Scientific notation 8.1650470 × 10^7
Engineering notation 8.1650470 × 10^6

Prime Factorization of 81650470

Prime Factorization 2 × 5 × 11 × 742277

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81650470
Product of the distinct prime numbers

The prime factorization of 81650470 is 2 × 5 × 11 × 742277. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 10, 50, 55, 550, 610, 1931, 3698, 14863, 20813, 354308, 648328, 9358619, 7715203, 80910740, 40426248, 100192140, 200593150, 3902529725, 1870468481

Basic calculations (n = 81650470)

Multiplication

n×y
n×2 163300940
n×3 244951410
n×4 326601880
n×5 408252350

Division

n÷y
n÷2 40825235
n÷3 27216823.333333
n÷3 20412617.5
n÷5 16330094

Exponentiation

ny
n2 6666799251220900
n3 5.4434729225783E+23
n4 4.444621225608E+31
n5 3.6290541204287E+39

Nth Root

y√n
2√n 9036.0649621392
3√n 433.82998217776
4√n 95.058218803737
5√n 38.228894366918

Divisors of 81650470

1, 2, 5, 10, 11, 22, 55, 110, 742277, 1484554, 3711385, 7422770, 8165047, 16330094, 40825235, 81650470

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 -81650469
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 81650470 can be divided by 16 positive divisors. The sum of these divisors (counting 81650470) is 1, the average is 0.0625.

Base conversion 81650470

Base System Value
2 Binary 100110111011110001100100110
3 Ternary 12200122021101111
4 Quaternary 10313132030212
5 Quinary 131400303340
6 Senary 12034015234
8 Octal 467361446
10 Decimal 81650470
12 Duodecimal 2341751a
16 Hexadecimal 4dde326
20 Vigesimal 15a663a
36 Base36 1cm1wm

Cryptographic Hash Functions

md5 5f1426ae0f683468db619e194de0b875
sha1 514dbb5e74c9cf4c27d90f18566858beb21786a4
sha256 b0e73deec806117da7cd152caa3ab9589d03dddd96be6b3a39582f4461858276
sha512 783343328110b7d359c2f73badcfa0a1f37c26c94e1c2522c8b7d09f10e18d418284b37f93ae45d8607e5b098b56accac37113c2f39aa4d6dfe3f29b27761f4b
ripemd-160 b45081b39bf9e305618bc7e4c5cd171b9722afa4

81650470 as geometric shapes

Circle

Radius = n
Diameter 163300940
Circumference 513025033.42831
Area 2.0944367550594E+16

Sphere

Radius = n
Volume 2.2801566058116E+24
Surface area 8.3777470202374E+16
Circumference 513025033.42831

Square

Length = n
Perimeter 326601880
Area 6666799251220900
Diagonal 115471202.04814

Cube

Length = n
Surface area 40000795507325400
Volume 5.4434729225783E+23
Space diagonal 141422762.50188

Equilateral Triangle

Length = n
Perimeter 244951410
Area 2.8868087567442E+15
Altitude 70711381.250939

Triangular Pyramid

Length = n
Surface area 2.8868087567442E+15
Volume 6.4151943612675E+22
Height 38490400.682713