81127959 (number)

81127959 is an odd 8-digits composite number following 81127958 and preceding 81127960. In scientific notation, it is written as 8.1127959 × 10^7. The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors. There are 49168240 positive integers (up to 81127959) that are relatively prime to 81127959.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1127959 × 10^7
Engineering notation 8.1127959 × 10^6

Prime Factorization of 81127959

Prime Factorization 3 × 11 × 11 × 223493

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7375269
Product of the distinct prime numbers

The prime factorization of 81127959 is 3 × 11 × 11 × 223493. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81127959)

Multiplication

n×y
n×2 162255918
n×3 243383877
n×4 324511836
n×5 405639795

Division

n÷y
n÷2 40563979.5
n÷3 27042653
n÷3 20281989.75
n÷5 16225591.8

Exponentiation

ny
n2 6581745731505681
n3 5.3396359785402E+23
n4 4.3319376874193E+31
n5 3.5144126309551E+39

Nth Root

y√n
2√n 9007.1060280203
3√n 432.90258926285
4√n 94.905774471421
5√n 38.179840525616

Divisors of 81127959

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81127958
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81127959 can be divided by 12 positive divisors. The sum of these divisors (counting 81127959) is 1, the average is 0.083333333333333.

Base conversion 81127959

Base System Value
2 Binary 100110101011110101000010111
3 Ternary 12122122201122020
4 Quaternary 10311132220113
5 Quinary 131232043314
6 Senary 12014504223
8 Octal 465365027
10 Decimal 81127959
12 Duodecimal 23205073
16 Hexadecimal 4d5ea17
20 Vigesimal 1570jhj
36 Base36 1cauqf

Cryptographic Hash Functions

md5 34b83c7362ee5d27e4b6449425122abe
sha1 cc01637087a80ccfeca225dc73356d08ec857705
sha256 d2763d8996147d1f25da4cea96700abb5a3998426e8e3818143b90a8b8756c87
sha512 c2e5991b5e0e3d89258c441d2c6b62c508b9c3593e9361fae1cbfc95a9065bda17dd0ee9b610f9b5423953fa69b5a285137f2a3c26ef83f1e5df363dcdce86e0
ripemd-160 a095dcd3a3ca0a546b3cbaf1c4a9fd181a45f212

81127959 as geometric shapes

Circle

Radius = n
Diameter 162255918
Circumference 509741999.99027
Area 2.0677164037894E+16

Sphere

Radius = n
Volume 2.2366614884034E+24
Surface area 8.2708656151577E+16
Circumference 509741999.99027

Square

Length = n
Perimeter 324511836
Area 6581745731505681
Diagonal 114732259.90545

Cube

Length = n
Surface area 39490474389034086
Volume 5.3396359785402E+23
Space diagonal 140517746.90236

Equilateral Triangle

Length = n
Perimeter 243383877
Area 2.8499795023669E+15
Altitude 70258873.451182

Triangular Pyramid

Length = n
Surface area 2.8499795023669E+15
Volume 6.2928213491557E+22
Height 38244086.635149