81127955 (number)

81127955 is an odd 8-digits composite number following 81127954 and preceding 81127956. In scientific notation, it is written as 8.1127955 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 63933408 positive integers (up to 81127955) that are relatively prime to 81127955.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-seven thousand nine hundred fifty-five

Notation

Scientific notation 8.1127955 × 10^7
Engineering notation 8.1127955 × 10^6

Prime Factorization of 81127955

Prime Factorization 5 × 67 × 242173

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81127955
Product of the distinct prime numbers

The prime factorization of 81127955 is 5 × 67 × 242173. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 6, 56, 57, 655, 427, 6186, 9216, 18863, 15088, 207316, 323644, 5194243, 65178, 56366630, 24212172, 83714138, 647246093, 9645805290, 9237042730

Basic calculations (n = 81127955)

Multiplication

n×y
n×2 162255910
n×3 243383865
n×4 324511820
n×5 405639775

Division

n÷y
n÷2 40563977.5
n÷3 27042651.666667
n÷3 20281988.75
n÷5 16225591

Exponentiation

ny
n2 6581745082482025
n3 5.3396351887307E+23
n4 4.3319368330776E+31
n5 3.5144117645676E+39

Nth Root

y√n
2√n 9007.1058059734
3√n 432.90258214812
4√n 94.905773301593
5√n 38.179840149126

Divisors of 81127955

1, 5, 67, 335, 242173, 1210865, 16225591, 81127955

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81127954
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81127955 can be divided by 8 positive divisors. The sum of these divisors (counting 81127955) is 1, the average is 0.125.

Base conversion 81127955

Base System Value
2 Binary 100110101011110101000010011
3 Ternary 12122122201122002
4 Quaternary 10311132220103
5 Quinary 131232043310
6 Senary 12014504215
8 Octal 465365023
10 Decimal 81127955
12 Duodecimal 2320506b
16 Hexadecimal 4d5ea13
20 Vigesimal 1570jhf
36 Base36 1cauqb

Cryptographic Hash Functions

md5 d777e4c2450a4eea72a49a55b66c85cd
sha1 c4afb629876c5a492e1747f039b0af713d57d8e2
sha256 f2f1dfb835728149962524ddcacc35a86fb643a53421fe216e0ac51f929ab738
sha512 406e3a97df6bfc3ca95c236834df9a2a9030693890eddbf1e73f009a7ac1639ab3107f1fce707a601416ac57013935fd54d99e1a984b63963b2140d6ce009aa5
ripemd-160 6f09f24d76757002e02d69413f46f8131845d1bb

81127955 as geometric shapes

Circle

Radius = n
Diameter 162255910
Circumference 509741974.85753
Area 2.0677161998926E+16

Sphere

Radius = n
Volume 2.2366611575688E+24
Surface area 8.2708647995705E+16
Circumference 509741974.85753

Square

Length = n
Perimeter 324511820
Area 6581745082482025
Diagonal 114732254.24859

Cube

Length = n
Surface area 39490470494892150
Volume 5.3396351887307E+23
Space diagonal 140517739.97416

Equilateral Triangle

Length = n
Perimeter 243383865
Area 2.8499792213314E+15
Altitude 70258869.987081

Triangular Pyramid

Length = n
Surface area 2.8499792213314E+15
Volume 6.2928204183563E+22
Height 38244084.749531