81513364 (number)

81513364 is an even 8-digits composite number following 81513363 and preceding 81513365. In scientific notation, it is written as 8.1513364 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 39987584 positive integers (up to 81513364) that are relatively prime to 81513364.

Interesting facts

Basic properties

Name

Name eighty-one million five hundred thirteen thousand three hundred sixty-four

Notation

Scientific notation 8.1513364 × 10^7
Engineering notation 8.1513364 × 10^6

Prime Factorization of 81513364

Prime Factorization 2 × 2 × 53 × 384497

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 40756682
Product of the distinct prime numbers

The prime factorization of 81513364 is 2 × 2 × 53 × 384497. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 9, 79, 7, 113, 864, 8305, 1229, 84085, 55473, 784915, 434702, 6494452, 488303, 1171204, 12305000, 753266173, 711553234, 3043129259, 8035111038

Basic calculations (n = 81513364)

Multiplication

n×y
n×2 163026728
n×3 244540092
n×4 326053456
n×5 407566820

Division

n÷y
n÷2 40756682
n÷3 27171121.333333
n÷3 20378341
n÷5 16302672.8

Exponentiation

ny
n2 6644428510596496
n3 5.4160971975623E+23
n4 4.4148430232428E+31
n5 3.5986870635645E+39

Nth Root

y√n
2√n 9028.475175798
3√n 433.5870196343
4√n 95.018288638546
5√n 38.216047080539

Divisors of 81513364

1, 2, 4, 53, 106, 212, 384497, 768994, 1537988, 20378341, 40756682, 81513364

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81513363
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81513364 can be divided by 12 positive divisors. The sum of these divisors (counting 81513364) is 1, the average is 0.083333333333333.

Base conversion 81513364

Base System Value
2 Binary 100110110111100101110010100
3 Ternary 12200101022022111
4 Quaternary 10312330232110
5 Quinary 131331411424
6 Senary 12031040404
8 Octal 466745624
10 Decimal 81513364
12 Duodecimal 23370104
16 Hexadecimal 4dbcb94
20 Vigesimal 1599384
36 Base36 1cj444

Cryptographic Hash Functions

md5 aa1d85cfe3dc890045d0d08820e30847
sha1 6aa4fe4dc00e5f32e630c0a0b58949d148e24739
sha256 89c709d9135497e82bb24ebd2594908ba92e5576b5e1241bfb37600dff7e21bb
sha512 6e2d623766a1ecff681b163fd8ee587069bc5cb381bc36ff58d6e7c107fe5727e7965da123d54d2835bf0c63c55e3fa7e033724e0b4077a187b7b9e5189e88c0
ripemd-160 a7c3cdc643e5aeb25aa7808f67248c3d0a361f75

81513364 as geometric shapes

Circle

Radius = n
Diameter 163026728
Circumference 512163571.02358
Area 2.0874087796193E+16

Sphere

Radius = n
Volume 2.268689488932E+24
Surface area 8.349635118477E+16
Circumference 512163571.02358

Square

Length = n
Perimeter 326053456
Area 6644428510596496
Diagonal 115277304.88345

Cube

Length = n
Surface area 39866571063578976
Volume 5.4160971975623E+23
Space diagonal 141185287.94386

Equilateral Triangle

Length = n
Perimeter 244540092
Area 2.8771219419031E+15
Altitude 70592643.971928

Triangular Pyramid

Length = n
Surface area 2.8771219419031E+15
Volume 6.3829317599363E+22
Height 38425768.294485