81736690 (number)

81736690 is an even 8-digits composite number following 81736689 and preceding 81736691. In scientific notation, it is written as 8.1736690 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 28023984 positive integers (up to 81736690) that are relatively prime to 81736690.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-six thousand six hundred ninety

Notation

Scientific notation 8.1736690 × 10^7
Engineering notation 8.1736690 × 10^6

Prime Factorization of 81736690

Prime Factorization 2 × 5 × 7 × 1167667

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81736690
Product of the distinct prime numbers

The prime factorization of 81736690 is 2 × 5 × 7 × 1167667. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 1, 76, 19, 756, 999, 5434, 6334, 91121, 78105, 75270, 848635, 5239472, 2528408, 38644335, 19009435, 312907446, 907060248, 4298654854, 8733312432

Basic calculations (n = 81736690)

Multiplication

n×y
n×2 163473380
n×3 245210070
n×4 326946760
n×5 408683450

Division

n÷y
n÷2 40868345
n÷3 27245563.333333
n÷3 20434172.5
n÷5 16347338

Exponentiation

ny
n2 6680886492156100
n3 5.4607354813455E+23
n4 4.4634244321074E+31
n5 3.6482553914559E+39

Nth Root

y√n
2√n 9040.8345853688
3√n 433.98263148371
4√n 95.083303399539
5√n 38.236964630151

Divisors of 81736690

1, 2, 5, 7, 10, 14, 35, 70, 1167667, 2335334, 5838335, 8173669, 11676670, 16347338, 40868345, 81736690

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 -81736689
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 81736690 can be divided by 16 positive divisors. The sum of these divisors (counting 81736690) is 1, the average is 0.0625.

Base conversion 81736690

Base System Value
2 Binary 100110111110011001111110010
3 Ternary 12200210122122211
4 Quaternary 10313303033302
5 Quinary 131411033230
6 Senary 12035522334
8 Octal 467631762
10 Decimal 81736690
12 Duodecimal 234593aa
16 Hexadecimal 4df33f2
20 Vigesimal 15ah1ea
36 Base36 1cnwfm

Cryptographic Hash Functions

md5 1f7b54cdfa1873294f41e91caee2d3ec
sha1 29233010000cbe71edc066e256091f43b0e60fd6
sha256 39161d10f21957ebaa53fdcb94d4c771434ba8e27a75f8945b049ff2bdb9e102
sha512 bfe0b04c6e3900340ddcf8743bc0e3ea69229e26ec6722cef6915ee61bebe7d927eab5b9e12215d7621aa9e30cbf40b70672cb8d0e0042d3272ae4d7740d711d
ripemd-160 ab31303a0c978adf649027f54a8aae80e70f343b

81736690 as geometric shapes

Circle

Radius = n
Diameter 163473380
Circumference 513566769.66549
Area 2.0988623923225E+16

Sphere

Radius = n
Volume 2.287387529519E+24
Surface area 8.39544956929E+16
Circumference 513566769.66549

Square

Length = n
Perimeter 326946760
Area 6680886492156100
Diagonal 115593135.54149

Cube

Length = n
Surface area 40085318952936600
Volume 5.4607354813455E+23
Space diagonal 141572099.92251

Equilateral Triangle

Length = n
Perimeter 245210070
Area 2.8929087110037E+15
Altitude 70786049.961253

Triangular Pyramid

Length = n
Surface area 2.8929087110037E+15
Volume 6.4355384818757E+22
Height 38531045.180495