81495512 (number)

81495512 is an even 8-digits composite number following 81495511 and preceding 81495513. In scientific notation, it is written as 8.1495512 × 10^7. The sum of its digits is 35. It has a total of 6 prime factors and 32 positive divisors. There are 34352640 positive integers (up to 81495512) that are relatively prime to 81495512.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-five thousand five hundred twelve

Notation

Scientific notation 8.1495512 × 10^7
Engineering notation 8.1495512 × 10^6

Prime Factorization of 81495512

Prime Factorization 2 × 2 × 2 × 7 × 61 × 23857

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20373878
Product of the distinct prime numbers

The prime factorization of 81495512 is 2 × 2 × 2 × 7 × 61 × 23857. Since it has a total of 6 prime factors.

Most popular turbo-numbers

10, 9, 91, 31, 794, 16, 9724, 3212, 32569, 86595, 502531, 300472, 8255261, 2229811, 17081531, 86131212, 590936376, 185425456, 7245077781, 7625460676

Basic calculations (n = 81495512)

Multiplication

n×y
n×2 162991024
n×3 244486536
n×4 325982048
n×5 407477560

Division

n÷y
n÷2 40747756
n÷3 27165170.666667
n÷3 20373878
n÷5 16299102.4

Exponentiation

ny
n2 6641518476142144
n3 5.4125394867066E+23
n4 4.4109767668937E+31
n5 3.5947481003811E+39

Nth Root

y√n
2√n 9027.4864718813
3√n 433.55536445437
4√n 95.01308579286
5√n 38.214373017263

Divisors of 81495512

1, 2, 4, 7, 8, 14, 28, 56, 61, 122, 244, 427, 488, 854, 1708, 3416, 23857, 47714, 95428, 166999, 190856, 333998, 667996, 1335992, 1455277, 2910554, 5821108, 10186939, 11642216, 20373878, 40747756, 81495512

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 -81495511
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 81495512 can be divided by 32 positive divisors. The sum of these divisors (counting 81495512) is 1, the average is 0.03125.

Base conversion 81495512

Base System Value
2 Binary 100110110111000010111011000
3 Ternary 12200100101211022
4 Quaternary 10312320113120
5 Quinary 131330324022
6 Senary 12030422012
8 Octal 466702730
10 Decimal 81495512
12 Duodecimal 23361908
16 Hexadecimal 4db85d8
20 Vigesimal 1596ifc
36 Base36 1ciqc8

Cryptographic Hash Functions

md5 5e1db4a1a739b30e95e695c52c7e8666
sha1 2236c53c1b9b2fe61e767012f7cf69793490a57e
sha256 1aa681dcf573c563ba8f472acf3275af73443e993591dec1001f64953337a3f2
sha512 7526bfaa80dd38e82e970ea009075ce2795479ae4e31f25df1457e4f51cdeeabc8044e499cbb2ebd9fc69264151a3a6f84c12cc042643f5a2a20e548993a7174
ripemd-160 99d158f1931ad004458c95613544497c28a1e835

81495512 as geometric shapes

Circle

Radius = n
Diameter 162991024
Circumference 512051403.59948
Area 2.0864945653329E+16

Sphere

Radius = n
Volume 2.2671992384936E+24
Surface area 8.3459782613316E+16
Circumference 512051403.59948

Square

Length = n
Perimeter 325982048
Area 6641518476142144
Diagonal 115252058.34294

Cube

Length = n
Surface area 39849110856852864
Volume 5.4125394867066E+23
Space diagonal 141154367.37284

Equilateral Triangle

Length = n
Perimeter 244486536
Area 2.8758618600214E+15
Altitude 70577183.68642

Triangular Pyramid

Length = n
Surface area 2.8758618600214E+15
Volume 6.3787389574837E+22
Height 38417352.78098