81497708 (number)

81497708 is an even 8-digits composite number following 81497707 and preceding 81497709. In scientific notation, it is written as 8.1497708 × 10^7. The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors. There are 39672000 positive integers (up to 81497708) that are relatively prime to 81497708.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred ninety-seven thousand seven hundred eight

Notation

Scientific notation 8.1497708 × 10^7
Engineering notation 8.1497708 × 10^6

Prime Factorization of 81497708

Prime Factorization 2 × 2 × 61 × 101 × 3307

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40748854
Product of the distinct prime numbers

The prime factorization of 81497708 is 2 × 2 × 61 × 101 × 3307. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 10, 46, 18, 438, 284, 2506, 8285, 25614, 99129, 476583, 566668, 2870192, 9120478, 29475513, 80158991, 868837980, 545453738, 6906298770, 4376092975

Basic calculations (n = 81497708)

Multiplication

n×y
n×2 162995416
n×3 244493124
n×4 325990832
n×5 407488540

Division

n÷y
n÷2 40748854
n÷3 27165902.666667
n÷3 20374427
n÷5 16299541.6

Exponentiation

ny
n2 6641876409253264
n3 5.4129770417341E+23
n4 4.4114522235795E+31
n5 3.5952324517323E+39

Nth Root

y√n
2√n 9027.608099602
3√n 433.55925865258
4√n 95.013725848437
5√n 38.214578961999

Divisors of 81497708

1, 2, 4, 61, 101, 122, 202, 244, 404, 3307, 6161, 6614, 12322, 13228, 24644, 201727, 334007, 403454, 668014, 806908, 1336028, 20374427, 40748854, 81497708

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 -81497707
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 81497708 can be divided by 24 positive divisors. The sum of these divisors (counting 81497708) is 1, the average is 0.041666666666667.

Base conversion 81497708

Base System Value
2 Binary 100110110111000111001101100
3 Ternary 12200100111211122
4 Quaternary 10312320321230
5 Quinary 131330411313
6 Senary 12030440112
8 Octal 466707154
10 Decimal 81497708
12 Duodecimal 23363038
16 Hexadecimal 4db8e6c
20 Vigesimal 1597458
36 Base36 1cis18

Cryptographic Hash Functions

md5 c4d93d64559dc38d25eb0c102a315779
sha1 5a09b5602e5ff2c25e7b4ea25e9d70c366db8b60
sha256 93c0d38971e86b20bb51e2f69505f4939328020cdb7d19dd91d364feb9b7ab69
sha512 f32718ed3639a4f984c90beeaed7148c67db59e045a33d287e8f66726ccfeddce705ffd8181de638ea9141fdd53f81473c3e5dfd0fb5f63fa55aad556c56a399
ripemd-160 f9830fa8f8e19ccd5805ecb4c6b9f51238adb338

81497708 as geometric shapes

Circle

Radius = n
Diameter 162995416
Circumference 512065201.47441
Area 2.0866070133361E+16

Sphere

Radius = n
Volume 2.2673825211149E+24
Surface area 8.3464280533446E+16
Circumference 512065201.47441

Square

Length = n
Perimeter 325990832
Area 6641876409253264
Diagonal 115255163.95592

Cube

Length = n
Surface area 39851258455519584
Volume 5.4129770417341E+23
Space diagonal 141158170.95641

Equilateral Triangle

Length = n
Perimeter 244493124
Area 2.8760168496049E+15
Altitude 70579085.478206

Triangular Pyramid

Length = n
Surface area 2.8760168496049E+15
Volume 6.3792546210288E+22
Height 38418387.985307