81551116 (number)

81551116 is an even 8-digits composite number following 81551115 and preceding 81551117. In scientific notation, it is written as 8.1551116 × 10^7. The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors. There are 38476224 positive integers (up to 81551116) that are relatively prime to 81551116.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred fifty-one thousand one hundred sixteen

Notation

Scientific notation 8.1551116 × 10^7
Engineering notation 8.1551116 × 10^6

Prime Factorization of 81551116

Prime Factorization 2 × 2 × 19 × 269 × 3989

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40775558
Product of the distinct prime numbers

The prime factorization of 81551116 is 2 × 2 × 19 × 269 × 3989. Since it has a total of 5 prime factors.

Most popular turbo-numbers

6, 6, 39, 29, 462, 183, 8901, 1181, 30097, 64859, 115228, 522620, 7724989, 5361711, 73305729, 11653515, 945965947, 320294498, 5075570065, 9615007660

Basic calculations (n = 81551116)

Multiplication

n×y
n×2 163102232
n×3 244653348
n×4 326204464
n×5 407755580

Division

n÷y
n÷2 40775558
n÷3 27183705.333333
n÷3 20387779
n÷5 16310223.2

Exponentiation

ny
n2 6650584520845456
n3 5.4236258972727E+23
n4 4.4230274468909E+31
n5 3.6070282439259E+39

Nth Root

y√n
2√n 9030.5656522723
3√n 433.65394629109
4√n 95.029288391907
5√n 38.21958629163

Divisors of 81551116

1, 2, 4, 19, 38, 76, 269, 538, 1076, 3989, 5111, 7978, 10222, 15956, 20444, 75791, 151582, 303164, 1073041, 2146082, 4292164, 20387779, 40775558, 81551116

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81551115
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81551116 can be divided by 24 positive divisors. The sum of these divisors (counting 81551116) is 1, the average is 0.041666666666667.

Base conversion 81551116

Base System Value
2 Binary 100110111000101111100001100
3 Ternary 12200110020002201
4 Quaternary 10313011330030
5 Quinary 131334113431
6 Senary 12031531244
8 Octal 467057414
10 Decimal 81551116
12 Duodecimal 23389b24
16 Hexadecimal 4dc5f0c
20 Vigesimal 159dhfg
36 Base36 1cjx8s

Cryptographic Hash Functions

md5 d7103e174d2240abca4053c0054bd8ba
sha1 aaf00093ed373778fc721909cb633278e3211565
sha256 04d6751f25280def922f94025be6f6f31c27fd6347b739448f8717f11b70a79a
sha512 0a2007221803e761fe98660cd5343b0bc33f2c6b3d0f65371ad711ac73ef4d9fdf2c9c18a55b2683350ad96ac1f772e87ee25f39b11a1dfd9a1a38979937f559
ripemd-160 fe78399c6715d60b17f77fec22fead3dad04c81f

81551116 as geometric shapes

Circle

Radius = n
Diameter 163102232
Circumference 512400773.8353
Area 2.0893427472766E+16

Sphere

Radius = n
Volume 2.2718431032922E+24
Surface area 8.3573709891064E+16
Circumference 512400773.8353

Square

Length = n
Perimeter 326204464
Area 6650584520845456
Diagonal 115330694.27386

Cube

Length = n
Surface area 39903507125072736
Volume 5.4236258972727E+23
Space diagonal 141250676.32594

Equilateral Triangle

Length = n
Perimeter 244653348
Area 2.8797875725339E+15
Altitude 70625338.162972

Triangular Pyramid

Length = n
Surface area 2.8797875725339E+15
Volume 6.3918044176342E+22
Height 38443564.757954