81330370 (number)

81330370 is an even 8-digits composite number following 81330369 and preceding 81330371. In scientific notation, it is written as 8.1330370 × 10^7. The sum of its digits is 25. It has a total of 5 prime factors and 32 positive divisors. There are 29490240 positive integers (up to 81330370) that are relatively prime to 81330370.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand three hundred seventy

Notation

Scientific notation 8.1330370 × 10^7
Engineering notation 8.1330370 × 10^6

Prime Factorization of 81330370

Prime Factorization 2 × 5 × 11 × 443 × 1669

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81330370
Product of the distinct prime numbers

The prime factorization of 81330370 is 2 × 5 × 11 × 443 × 1669. Since it has a total of 5 prime factors.

Most popular turbo-numbers

9, 7, 70, 2, 243, 132, 3162, 9131, 41372, 89331, 753064, 690056, 489195, 4757503, 97472015, 28896735, 744138943, 344553336, 1588265900, 8303710791

Basic calculations (n = 81330370)

Multiplication

n×y
n×2 162660740
n×3 243991110
n×4 325321480
n×5 406651850

Division

n÷y
n÷2 40665185
n÷3 27110123.333333
n÷3 20332592.5
n÷5 16266074

Exponentiation

ny
n2 6614629084336900
n3 5.3797023084188E+23
n4 4.3753317923356E+31
n5 3.5584735354341E+39

Nth Root

y√n
2√n 9018.3352122218
3√n 433.2623151203
4√n 94.964915691122
5√n 38.198872974802

Divisors of 81330370

1, 2, 5, 10, 11, 22, 55, 110, 443, 886, 1669, 2215, 3338, 4430, 4873, 8345, 9746, 16690, 18359, 24365, 36718, 48730, 91795, 183590, 739367, 1478734, 3696835, 7393670, 8133037, 16266074, 40665185, 81330370

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81330369
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81330370 can be divided by 32 positive divisors. The sum of these divisors (counting 81330370) is 1, the average is 0.03125.

Base conversion 81330370

Base System Value
2 Binary 100110110010000000011000010
3 Ternary 12200001000021221
4 Quaternary 10312100003002
5 Quinary 131310032440
6 Senary 12023105254
8 Octal 466200302
10 Decimal 81330370
12 Duodecimal 232a222a
16 Hexadecimal 4d900c2
20 Vigesimal 15865ia
36 Base36 1cf6wy

Cryptographic Hash Functions

md5 1687c4d4fdcac76b548704951e09b360
sha1 07e4cffeeef306851848307c9b727f9b17cd3fc8
sha256 775e7436e1877104b9727fe1ca28c4b69be9d1f179909a2725d3542909be64b8
sha512 d501368e3561811e2ca637f343f72da54f1cd0a54035874fc6f0a9bfd068dc05b8368ea33311f1e670a5edbf1f12cc3d700fa36e1be872f5d20903c71deae987
ripemd-160 7d52845205fb2ea2c8b488cd90750804ce69ed1f

81330370 as geometric shapes

Circle

Radius = n
Diameter 162660740
Circumference 511013785.81148
Area 2.0780470137574E+16

Sphere

Radius = n
Volume 2.2534444334171E+24
Surface area 8.3121880550297E+16
Circumference 511013785.81148

Square

Length = n
Perimeter 325321480
Area 6614629084336900
Diagonal 115018512.28682

Cube

Length = n
Surface area 39687774506021400
Volume 5.3797023084188E+23
Space diagonal 140868333.03838

Equilateral Triangle

Length = n
Perimeter 243991110
Area 2.8642184118236E+15
Altitude 70434166.519188

Triangular Pyramid

Length = n
Surface area 2.8642184118236E+15
Volume 6.3400399717464E+22
Height 38339504.095607