81102960 (number)

81102960 is an even 8-digits composite number following 81102959 and preceding 81102961. In scientific notation, it is written as 8.1102960 × 10^7. The sum of its digits is 27. It has a total of 7 prime factors and 40 positive divisors. There are 21627264 positive integers (up to 81102960) that are relatively prime to 81102960.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred two thousand nine hundred sixty

Notation

Scientific notation 8.1102960 × 10^7
Engineering notation 8.1102960 × 10^6

Prime Factorization of 81102960

Prime Factorization 2 × 2 × 2 × 2 × 9 × 5 × 112643

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 10137870
Product of the distinct prime numbers

The prime factorization of 81102960 is 2 × 2 × 2 × 2 × 9 × 5 × 112643. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 6, 46, 78, 336, 279, 8968, 1962, 85983, 84939, 164786, 280947, 8407235, 3478204, 34395477, 99525724, 42766961, 596823709, 8709367476, 3964731295

Basic calculations (n = 81102960)

Multiplication

n×y
n×2 162205920
n×3 243308880
n×4 324411840
n×5 405514800

Division

n÷y
n÷2 40551480
n÷3 27034320
n÷3 20275740
n÷5 16220592

Exponentiation

ny
n2 6577690120761600
n3 5.3347013875652E+23
n4 4.3266007324765E+31
n5 3.5090012614201E+39

Nth Root

y√n
2√n 9005.7181834654
3√n 432.85811941653
4√n 94.898462492632
5√n 38.177487266615

Divisors of 81102960

1, 2, 4, 5, 8, 9, 10, 16, 18, 20, 36, 40, 45, 72, 80, 90, 144, 180, 360, 720, 112643, 225286, 450572, 563215, 901144, 1013787, 1126430, 1802288, 2027574, 2252860, 4055148, 4505720, 5068935, 8110296, 9011440, 10137870, 16220592, 20275740, 40551480, 81102960

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 -81102959
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 81102960 can be divided by 40 positive divisors. The sum of these divisors (counting 81102960) is 1, the average is 0.025.

Base conversion 81102960

Base System Value
2 Binary 100110101011000100001110000
3 Ternary 12122121110100100
4 Quaternary 10311120201300
5 Quinary 131230243320
6 Senary 12014152400
8 Octal 465304160
10 Decimal 81102960
12 Duodecimal 231b2700
16 Hexadecimal 4d58870
20 Vigesimal 156hh80
36 Base36 1cabg0

Cryptographic Hash Functions

md5 5dacd058927d9fd55033c941a9daedff
sha1 e8ab5116ada99c9187d41fd15d5e17b536b084cf
sha256 ca7857f2af6c0b01910c039ee73ea36c9e18d59eee96cf5db7922b1c8f525bb7
sha512 5210c169bd01c6a0dc02f7f7d24858d91ba9194772970a19465e8cdb44f84770fbb0e9416aa90fa431becb69944004210acbf1748eacb5026a858328dfcdf589
ripemd-160 89d305d0d573fda3a067b19066e52c20a4f1da8d

81102960 as geometric shapes

Circle

Radius = n
Diameter 162205920
Circumference 509584926.64077
Area 2.0664422960975E+16

Sphere

Radius = n
Volume 2.2345944917694E+24
Surface area 8.2657691843899E+16
Circumference 509584926.64077

Square

Length = n
Perimeter 324411840
Area 6577690120761600
Diagonal 114696905.9806

Cube

Length = n
Surface area 39466140724569600
Volume 5.3347013875652E+23
Space diagonal 140474447.36423

Equilateral Triangle

Length = n
Perimeter 243308880
Area 2.8482233714007E+15
Altitude 70237223.682113

Triangular Pyramid

Length = n
Surface area 2.8482233714007E+15
Volume 6.2870058779211E+22
Height 38232301.993534