81738402 (number)

81738402 is an even 8-digits composite number following 81738401 and preceding 81738403. In scientific notation, it is written as 8.1738402 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 26005824 positive integers (up to 81738402) that are relatively prime to 81738402.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-eight thousand four hundred two

Notation

Scientific notation 8.1738402 × 10^7
Engineering notation 8.1738402 × 10^6

Prime Factorization of 81738402

Prime Factorization 2 × 3 × 37 × 53 × 6947

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81738402
Product of the distinct prime numbers

The prime factorization of 81738402 is 2 × 3 × 37 × 53 × 6947. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 9, 60, 73, 248, 213, 5437, 1759, 71772, 8090, 68417, 102350, 3584620, 9386055, 85795699, 31351895, 89124707, 795360029, 5023338217, 63890875

Basic calculations (n = 81738402)

Multiplication

n×y
n×2 163476804
n×3 245215206
n×4 326953608
n×5 408692010

Division

n÷y
n÷2 40869201
n÷3 27246134
n÷3 20434600.5
n÷5 16347680.4

Exponentiation

ny
n2 6681166361513604
n3 5.4610786188628E+23
n4 4.4637983950221E+31
n5 3.6486374765927E+39

Nth Root

y√n
2√n 9040.9292663973
3√n 433.98566142892
4√n 95.083801282854
5√n 38.237124805795

Divisors of 81738402

1, 2, 3, 6, 37, 53, 74, 106, 111, 159, 222, 318, 1961, 3922, 5883, 6947, 11766, 13894, 20841, 41682, 257039, 368191, 514078, 736382, 771117, 1104573, 1542234, 2209146, 13623067, 27246134, 40869201, 81738402

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81738401
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81738402 can be divided by 32 positive divisors. The sum of these divisors (counting 81738402) is 1, the average is 0.03125.

Base conversion 81738402

Base System Value
2 Binary 100110111110011101010100010
3 Ternary 12200210202000020
4 Quaternary 10313303222202
5 Quinary 131411112102
6 Senary 12035534310
8 Octal 467635242
10 Decimal 81738402
12 Duodecimal 2345a396
16 Hexadecimal 4df3aa2
20 Vigesimal 15ah602
36 Base36 1cnxr6

Cryptographic Hash Functions

md5 c7eeac4f392418e267fedde6b03e4edc
sha1 b46b4e3087c12f015867edc417125eebb8843560
sha256 e58242810f37b4f1e2c8c42e8cbb45c67a739b8dc65ce84bbc7f51d1a4278d96
sha512 85cc5599d2b81c1e53e0bf76fcb1ec163b3ff1fbbf827bb862b5adf750e1d1a7de61afb839b70bfd903a53443095aea0d63a4e6fd7980d0bc4ac7d2d8ba6dcb7
ripemd-160 8e341d7f6233b787010f8256e6e1b43c0b5f1b0f

81738402 as geometric shapes

Circle

Radius = n
Diameter 163476804
Circumference 513577526.47874
Area 2.0989503158742E+16

Sphere

Radius = n
Volume 2.2875312626261E+24
Surface area 8.395801263497E+16
Circumference 513577526.47874

Square

Length = n
Perimeter 326953608
Area 6681166361513604
Diagonal 115595556.6751

Cube

Length = n
Surface area 40086998169081624
Volume 5.4610786188628E+23
Space diagonal 141575065.19349

Equilateral Triangle

Length = n
Perimeter 245215206
Area 2.8930298979904E+15
Altitude 70787532.596745

Triangular Pyramid

Length = n
Surface area 2.8930298979904E+15
Volume 6.4359428733179E+22
Height 38531852.225035