81191010 (number)

81191010 is an even 8-digits composite number following 81191009 and preceding 81191011. In scientific notation, it is written as 8.1191010 × 10^7. The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors. There are 20904128 positive integers (up to 81191010) that are relatively prime to 81191010.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred ninety-one thousand ten

Notation

Scientific notation 8.1191010 × 10^7
Engineering notation 8.1191010 × 10^6

Prime Factorization of 81191010

Prime Factorization 2 × 3 × 5 × 29 × 93323

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81191010
Product of the distinct prime numbers

The prime factorization of 81191010 is 2 × 3 × 5 × 29 × 93323. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 10, 58, 1, 144, 621, 7275, 3095, 91813, 36692, 251369, 343942, 6857036, 7444020, 7010754, 51846912, 479375523, 901978833, 1799080265, 9424461632

Basic calculations (n = 81191010)

Multiplication

n×y
n×2 162382020
n×3 243573030
n×4 324764040
n×5 405955050

Division

n÷y
n÷2 40595505
n÷3 27063670
n÷3 20297752.5
n÷5 16238202

Exponentiation

ny
n2 6591980104820100
n3 5.3520952261025E+23
n4 4.3454201702344E+31
n5 3.528090524957E+39

Nth Root

y√n
2√n 9010.6054180615
3√n 433.01470791885
4√n 94.924208809247
5√n 38.185773200735

Divisors of 81191010

1, 2, 3, 5, 6, 10, 15, 29, 30, 58, 87, 145, 174, 290, 435, 870, 93323, 186646, 279969, 466615, 559938, 933230, 1399845, 2706367, 2799690, 5412734, 8119101, 13531835, 16238202, 27063670, 40595505, 81191010

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 -81191009
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 81191010 can be divided by 32 positive divisors. The sum of these divisors (counting 81191010) is 1, the average is 0.03125.

Base conversion 81191010

Base System Value
2 Binary 100110101101110000001100010
3 Ternary 12122202221010110
4 Quaternary 10311232001202
5 Quinary 131241103020
6 Senary 12020112150
8 Octal 465560142
10 Decimal 81191010
12 Duodecimal 23235656
16 Hexadecimal 4d6e062
20 Vigesimal 1578haa
36 Base36 1cc7du

Cryptographic Hash Functions

md5 948bffa6ccf5c811683630f176204c37
sha1 690cd4214e6dc25056d00cb946b3fd6ef991d668
sha256 69bf9cee149da1abd76d1be2cdac07aea49d737dc1cf52897af6bd0a83e94099
sha512 82210e5c40354d4034eb049a1f60155740f2a5060b6a6f0df58194de996ada02795e4e6aec6fcfa91c2c331b7255c528d7a08af173e29307a469378394df0b63
ripemd-160 d0adf06da64e8fa4b7804725450d1cf984417347

81191010 as geometric shapes

Circle

Radius = n
Diameter 162382020
Circumference 510138161.10707
Area 2.0709316269913E+16

Sphere

Radius = n
Volume 2.2418804058182E+24
Surface area 8.2837265079652E+16
Circumference 510138161.10707

Square

Length = n
Perimeter 324764040
Area 6591980104820100
Diagonal 114821427.48477

Cube

Length = n
Surface area 39551880628920600
Volume 5.3520952261025E+23
Space diagonal 140626954.43783

Equilateral Triangle

Length = n
Perimeter 243573030
Area 2.8544111160079E+15
Altitude 70313477.218916

Triangular Pyramid

Length = n
Surface area 2.8544111160079E+15
Volume 6.307504713222E+22
Height 38273809.16159