81093072 (number)

81093072 is an even 8-digits composite number following 81093071 and preceding 81093073. In scientific notation, it is written as 8.1093072 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 40 positive divisors. There are 26659584 positive integers (up to 81093072) that are relatively prime to 81093072.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-three thousand seventy-two

Notation

Scientific notation 8.1093072 × 10^7
Engineering notation 8.1093072 × 10^6

Prime Factorization of 81093072

Prime Factorization 2 × 2 × 2 × 2 × 3 × 73 × 23143

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10136634
Product of the distinct prime numbers

The prime factorization of 81093072 is 2 × 2 × 2 × 2 × 3 × 73 × 23143. Since it has a total of 7 prime factors.

Most popular turbo-numbers

7, 7, 97, 42, 192, 992, 9612, 7401, 65329, 12096, 761902, 445196, 6324053, 3483452, 87101506, 1330114, 103668121, 670508305, 2681769916, 405385476

Basic calculations (n = 81093072)

Multiplication

n×y
n×2 162186144
n×3 243279216
n×4 324372288
n×5 405465360

Division

n÷y
n÷2 40546536
n÷3 27031024
n÷3 20273268
n÷5 16218614.4

Exponentiation

ny
n2 6576086326397184
n3 5.3327504194474E+23
n4 4.3244911372228E+31
n5 3.5068627115417E+39

Nth Root

y√n
2√n 9005.1691821975
3√n 432.84052747727
4√n 94.895569876562
5√n 38.176556308225

Divisors of 81093072

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 73, 146, 219, 292, 438, 584, 876, 1168, 1752, 3504, 23143, 46286, 69429, 92572, 138858, 185144, 277716, 370288, 555432, 1110864, 1689439, 3378878, 5068317, 6757756, 10136634, 13515512, 20273268, 27031024, 40546536, 81093072

40 divisors

τ Total Divisors 40
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81093071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.025
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 40
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81093072 can be divided by 40 positive divisors. The sum of these divisors (counting 81093072) is 1, the average is 0.025.

Base conversion 81093072

Base System Value
2 Binary 100110101010110000111010000
3 Ternary 12122120221210010
4 Quaternary 10311112013100
5 Quinary 131224434242
6 Senary 12014034520
8 Octal 465260720
10 Decimal 81093072
12 Duodecimal 231a8a40
16 Hexadecimal 4d561d0
20 Vigesimal 156gcdc
36 Base36 1ca3tc

Cryptographic Hash Functions

md5 b807bf4348765aa5972a30f106721f5d
sha1 bec0fca3a024a2326209223107116530c33af454
sha256 60850f09588b568e18aab0b54904d63e8b7e8880f67fbd39e41f2398a5ef16f8
sha512 95fa7fa5aa52658c571a10b878561bf76d1a94e6e365cfb8ff435732a29442fac964db9ec82a8f89cde5f5da0fb1485c42ff01622a4fe5120173c40dd9c19280
ripemd-160 e1ba658fa9a6b6968dd3d31b88e65aaea8b75ae6

81093072 as geometric shapes

Circle

Radius = n
Diameter 162186144
Circumference 509522798.50446
Area 2.0659384492382E+16

Sphere

Radius = n
Volume 2.2337772721552E+24
Surface area 8.2637537969527E+16
Circumference 509522798.50446

Square

Length = n
Perimeter 324372288
Area 6576086326397184
Diagonal 114682922.2369

Cube

Length = n
Surface area 39456517958383104
Volume 5.3327504194474E+23
Space diagonal 140457320.84584

Equilateral Triangle

Length = n
Perimeter 243279216
Area 2.8475289080697E+15
Altitude 70228660.422921

Triangular Pyramid

Length = n
Surface area 2.8475289080697E+15
Volume 6.2847066399445E+22
Height 38227640.745633