81122997 (number)

81122997 is an odd 8-digits composite number following 81122996 and preceding 81122998. In scientific notation, it is written as 8.1122997 × 10^7. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 50138880 positive integers (up to 81122997) that are relatively prime to 81122997.

Interesting facts

Basic properties

Name

Name eighty-one million one hundred twenty-two thousand nine hundred ninety-seven

Notation

Scientific notation 8.1122997 × 10^7
Engineering notation 8.1122997 × 10^6

Prime Factorization of 81122997

Prime Factorization 3 × 17 × 67 × 23741

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81122997
Product of the distinct prime numbers

The prime factorization of 81122997 is 3 × 17 × 67 × 23741. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 1, 2, 51, 506, 622, 5763, 2872, 73707, 58994, 159033, 224808, 5122330, 9439620, 70508467, 59465988, 343986738, 296687986, 3319523864, 8236036663

Basic calculations (n = 81122997)

Multiplication

n×y
n×2 162245994
n×3 243368991
n×4 324491988
n×5 405614985

Division

n÷y
n÷2 40561498.5
n÷3 27040999
n÷3 20280749.25
n÷5 16224599.4

Exponentiation

ny
n2 6580940642262009
n3 5.338656279794E+23
n4 4.3308779736976E+31
n5 3.5133380086764E+39

Nth Root

y√n
2√n 9006.830574625
3√n 432.89376326143
4√n 94.904323266251
5√n 38.179373478236

Divisors of 81122997

1, 3, 17, 51, 67, 201, 1139, 3417, 23741, 71223, 403597, 1210791, 1590647, 4771941, 27040999, 81122997

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81122996
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81122997 can be divided by 16 positive divisors. The sum of these divisors (counting 81122997) is 1, the average is 0.0625.

Base conversion 81122997

Base System Value
2 Binary 100110101011101011010110101
3 Ternary 12122122110211110
4 Quaternary 10311131122311
5 Quinary 131231413442
6 Senary 12014425233
8 Octal 465353265
10 Decimal 81122997
12 Duodecimal 23202219
16 Hexadecimal 4d5d6b5
20 Vigesimal 157079h
36 Base36 1caqwl

Cryptographic Hash Functions

md5 fa56259c0f9ff5baf6390cfa8ed0be0b
sha1 221eec1e642e9faa721b4a935d99e6e540c19c0f
sha256 b3fbbcc0c25d4c36613324075d05ba9930b4ab00403b5f2166e957f2a4acf65a
sha512 5ff86f41a65af7bdf890c74cd9f391c98b4a21e719af91ae3b554ed1f9d322d89fac8168fbb9b7a43d86def9417662e8c1a2f3dcc9ed4d74a0f1fea21e77e255
ripemd-160 760448578f417ac2d49354b2acfd71c976b15090

81122997 as geometric shapes

Circle

Radius = n
Diameter 162245994
Circumference 509710822.82477
Area 2.0674634775441E+16

Sphere

Radius = n
Volume 2.2362511131522E+24
Surface area 8.2698539101763E+16
Circumference 509710822.82477

Square

Length = n
Perimeter 324491988
Area 6580940642262009
Diagonal 114725242.57775

Cube

Length = n
Surface area 39485643853572054
Volume 5.338656279794E+23
Space diagonal 140509152.46626

Equilateral Triangle

Length = n
Perimeter 243368991
Area 2.8496308884982E+15
Altitude 70254576.233129

Triangular Pyramid

Length = n
Surface area 2.8496308884982E+15
Volume 6.2916667631108E+22
Height 38241747.525917