81122968 (number)

81122968 is an even 8-digits composite number following 81122967 and preceding 81122969. In scientific notation, it is written as 8.1122968 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 8 positive divisors. There are 40561480 positive integers (up to 81122968) that are relatively prime to 81122968.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1122968 × 10^7
Engineering notation 8.1122968 × 10^6

Prime Factorization of 81122968

Prime Factorization 2 × 2 × 2 × 10140371

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20280742
Product of the distinct prime numbers

The prime factorization of 81122968 is 2 × 2 × 2 × 10140371. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 1, 77, 49, 66, 569, 9896, 2953, 48909, 19722, 610049, 450691, 4293973, 8243672, 40335398, 36115251, 349105465, 229685662, 5320122355, 5770513781

Basic calculations (n = 81122968)

Multiplication

n×y
n×2 162245936
n×3 243368904
n×4 324491872
n×5 405614840

Division

n÷y
n÷2 40561484
n÷3 27040989.333333
n÷3 20280742
n÷5 16224593.6

Exponentiation

ny
n2 6580935937129024
n3 5.3386505543777E+23
n4 4.3308717808596E+31
n5 3.5133317289078E+39

Nth Root

y√n
2√n 9006.8289647356
3√n 432.89371167754
4√n 94.904314784606
5√n 38.179370748548

Divisors of 81122968

1, 2, 4, 8, 10140371, 20280742, 40561484, 81122968

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 -81122967
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 81122968 can be divided by 8 positive divisors. The sum of these divisors (counting 81122968) is 1, the average is 0.125.

Base conversion 81122968

Base System Value
2 Binary 100110101011101011010011000
3 Ternary 12122122110210101
4 Quaternary 10311131122120
5 Quinary 131231413333
6 Senary 12014425144
8 Octal 465353230
10 Decimal 81122968
12 Duodecimal 232021b4
16 Hexadecimal 4d5d698
20 Vigesimal 1570788
36 Base36 1caqvs

Cryptographic Hash Functions

md5 ccc485c153002b29e16a2e6166cb8855
sha1 17218345060f9e54d716b9e93c5de26c854f59d9
sha256 5d9bb967f20d08fd9e58239e26b206c581b354fa73129ebb0f02e2effdd07614
sha512 17227d67dd02588bbfb160406a367479e83d2a433fe54d33a5dc0de8801ea372808bc592e8a7893288a5daeb15fcc75b850d92decdd9c1b8a8dec9bbd1647eba
ripemd-160 c1c74f8d6eb8f123e2b5fbcadc3d370f628efd85

81122968 as geometric shapes

Circle

Radius = n
Diameter 162245936
Circumference 509710640.6124
Area 2.067461999383E+16

Sphere

Radius = n
Volume 2.2362487148955E+24
Surface area 8.2698479975318E+16
Circumference 509710640.6124

Square

Length = n
Perimeter 324491872
Area 6580935937129024
Diagonal 114725201.56556

Cube

Length = n
Surface area 39485615622774144
Volume 5.3386505543777E+23
Space diagonal 140509102.23678

Equilateral Triangle

Length = n
Perimeter 243368904
Area 2.8496288511158E+15
Altitude 70254551.118392

Triangular Pyramid

Length = n
Surface area 2.8496288511158E+15
Volume 6.291660015643E+22
Height 38241733.855186