81096988 (number)

81096988 is an even 8-digits composite number following 81096987 and preceding 81096989. In scientific notation, it is written as 8.1096988 × 10^7. The sum of its digits is 49. It has a total of 5 prime factors and 24 positive divisors. There are 33244464 positive integers (up to 81096988) that are relatively prime to 81096988.

Interesting facts

Basic properties

Name

Name eighty-one million ninety-six thousand nine hundred eighty-eight

Notation

Scientific notation 8.1096988 × 10^7
Engineering notation 8.1096988 × 10^6

Prime Factorization of 81096988

Prime Factorization 2 × 2 × 23 × 7 × 125927

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40548494
Product of the distinct prime numbers

The prime factorization of 81096988 is 2 × 2 × 23 × 7 × 125927. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 5, 9, 24, 735, 420, 6056, 6912, 37553, 5140, 3499, 782965, 105047, 4004032, 60004032, 80035116, 657316487, 962896881, 3903062289, 7435002068

Basic calculations (n = 81096988)

Multiplication

n×y
n×2 162193976
n×3 243290964
n×4 324387952
n×5 405484940

Division

n÷y
n÷2 40548494
n÷3 27032329.333333
n÷3 20274247
n÷5 16219397.6

Exponentiation

ny
n2 6576721462672144
n3 5.3335230153767E+23
n4 4.3253265197572E+31
n5 3.5077095286883E+39

Nth Root

y√n
2√n 9005.3866102461
3√n 432.84749468248
4√n 94.896715487134
5√n 38.176925011749

Divisors of 81096988

1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 644, 125927, 251854, 503708, 881489, 1762978, 2896321, 3525956, 5792642, 11585284, 20274247, 40548494, 81096988

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 -81096987
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 81096988 can be divided by 24 positive divisors. The sum of these divisors (counting 81096988) is 1, the average is 0.041666666666667.

Base conversion 81096988

Base System Value
2 Binary 100110101010111000100011100
3 Ternary 12122121011011011
4 Quaternary 10311113010130
5 Quinary 131230100423
6 Senary 12014105004
8 Octal 465270434
10 Decimal 81096988
12 Duodecimal 231ab164
16 Hexadecimal 4d5711c
20 Vigesimal 156h298
36 Base36 1ca6u4

Cryptographic Hash Functions

md5 7ef301cc7d2a6b7c4db5481f921a195e
sha1 8b6091b9fa438be21452cf008260c5b62c8b748e
sha256 6c96aec4fdfc73e982d0adb7914f08fb1537e5bdcf78ad20952bae17fa6a2b85
sha512 d7a23d5ffe7221bac81c1b8a155f7ba3b6ac792c3fece971f51a7784179f3986a43cf1eff6607d48b13dc4a81bdcfe75547e201eba4a47b4d87cf6b28a02f65f
ripemd-160 da24bd68beb88828973469492c2df383e82ddf14

81096988 as geometric shapes

Circle

Radius = n
Diameter 162193976
Circumference 509547403.45812
Area 2.0661379831837E+16

Sphere

Radius = n
Volume 2.2341008963812E+24
Surface area 8.2645519327349E+16
Circumference 509547403.45812

Square

Length = n
Perimeter 324387952
Area 6576721462672144
Diagonal 114688460.29721

Cube

Length = n
Surface area 39460328776032864
Volume 5.3335230153767E+23
Space diagonal 140464103.5568

Equilateral Triangle

Length = n
Perimeter 243290964
Area 2.8478039301442E+15
Altitude 70232051.778402

Triangular Pyramid

Length = n
Surface area 2.8478039301442E+15
Volume 6.2856171529789E+22
Height 38229486.765736