81072488 (number)

81072488 is an even 8-digits composite number following 81072487 and preceding 81072489. In scientific notation, it is written as 8.1072488 × 10^7. The sum of its digits is 38. It has a total of 6 prime factors and 32 positive divisors. There are 34533312 positive integers (up to 81072488) that are relatively prime to 81072488.

Interesting facts

Basic properties

Name

Name eighty-one million seventy-two thousand four hundred eighty-eight

Notation

Scientific notation 8.1072488 × 10^7
Engineering notation 8.1072488 × 10^6

Prime Factorization of 81072488

Prime Factorization 2 × 2 × 2 × 7 × 167 × 8669

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 20268122
Product of the distinct prime numbers

The prime factorization of 81072488 is 2 × 2 × 2 × 7 × 167 × 8669. Since it has a total of 6 prime factors.

Most popular turbo-numbers

3, 2, 70, 56, 847, 100, 7679, 6817, 95090, 95691, 493578, 863690, 3137027, 6118599, 15617567, 41656386, 128829933, 587089470, 8246016291, 5238000759

Basic calculations (n = 81072488)

Multiplication

n×y
n×2 162144976
n×3 243217464
n×4 324289952
n×5 405362440

Division

n÷y
n÷2 40536244
n÷3 27024162.666667
n÷3 20268122
n÷5 16214497.6

Exponentiation

ny
n2 6572748310510144
n3 5.3286905853085E+23
n4 4.3201020353314E+31
n5 3.5024142041818E+39

Nth Root

y√n
2√n 9004.0262105349
3√n 432.80390148218
4√n 94.889547425072
5√n 38.174618026656

Divisors of 81072488

1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2338, 4676, 8669, 9352, 17338, 34676, 60683, 69352, 121366, 242732, 485464, 1447723, 2895446, 5790892, 10134061, 11581784, 20268122, 40536244, 81072488

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 -81072487
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 81072488 can be divided by 32 positive divisors. The sum of these divisors (counting 81072488) is 1, the average is 0.03125.

Base conversion 81072488

Base System Value
2 Binary 100110101010001000101101000
3 Ternary 12122112220112202
4 Quaternary 10311101011220
5 Quinary 131223304423
6 Senary 12013355332
8 Octal 465210550
10 Decimal 81072488
12 Duodecimal 23198b48
16 Hexadecimal 4d51168
20 Vigesimal 156e148
36 Base36 1c9nxk

Cryptographic Hash Functions

md5 20161a133a08bc6fd33c8696d0a40295
sha1 4a32951e810da6527a9cd0a8c73c262a67724c4f
sha256 caaf9d191c4f356f5333b41f2ea3642fb526f9dd868a82f164292ad4797b65e8
sha512 51deab3b5384d19e1d2eee9866ad6e5fd4cdcd53f38b5d3b752161644e9c1c07604960b735c2f6b4f9d543b0b8905a45dabdc9b349d537396a82456bc3abea2d
ripemd-160 29ed3be19af18448d79bbef87ee7f289d5edc4b1

81072488 as geometric shapes

Circle

Radius = n
Diameter 162144976
Circumference 509393465.41809
Area 2.0648897806193E+16

Sphere

Radius = n
Volume 2.2320766928078E+24
Surface area 8.2595591224774E+16
Circumference 509393465.41809

Square

Length = n
Perimeter 324289952
Area 6572748310510144
Diagonal 114653812.06493

Cube

Length = n
Surface area 39436489863060864
Volume 5.3286905853085E+23
Space diagonal 140421668.31202

Equilateral Triangle

Length = n
Perimeter 243217464
Area 2.8460835047915E+15
Altitude 70210834.156009

Triangular Pyramid

Length = n
Surface area 2.8460835047915E+15
Volume 6.2799220795276E+22
Height 38217937.354977