81330357 (number)

81330357 is an odd 8-digits composite number following 81330356 and preceding 81330358. In scientific notation, it is written as 8.1330357 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 54194240 positive integers (up to 81330357) that are relatively prime to 81330357.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand three hundred fifty-seven

Notation

Scientific notation 8.1330357 × 10^7
Engineering notation 8.1330357 × 10^6

Prime Factorization of 81330357

Prime Factorization 3 × 2609 × 10391

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 81330357
Product of the distinct prime numbers

The prime factorization of 81330357 is 3 × 2609 × 10391. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81330357)

Multiplication

n×y
n×2 162660714
n×3 243991071
n×4 325321428
n×5 406651785

Division

n÷y
n÷2 40665178.5
n÷3 27110119
n÷3 20332589.25
n÷5 16266071.4

Exponentiation

ny
n2 6614626969747449
n3 5.3796997287139E+23
n4 4.375328994891E+31
n5 3.5584706914694E+39

Nth Root

y√n
2√n 9018.3344914679
3√n 433.26229203581
4√n 94.964911896278
5√n 38.198871753646

Divisors of 81330357

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 -81330356
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 81330357 can be divided by 8 positive divisors. The sum of these divisors (counting 81330357) is 1, the average is 0.125.

Base conversion 81330357

Base System Value
2 Binary 100110110010000000010110101
3 Ternary 12200001000021110
4 Quaternary 10312100002311
5 Quinary 131310032412
6 Senary 12023105233
8 Octal 466200265
10 Decimal 81330357
12 Duodecimal 232a2219
16 Hexadecimal 4d900b5
20 Vigesimal 15865hh
36 Base36 1cf6wl

Cryptographic Hash Functions

md5 46bf149fc79d4a4fb567bd19abf6557f
sha1 45f662213d1a8aa5907ffc850bb1f2965ee43054
sha256 b699c634b4eb01426d1bfa05655b03c4f3ee18598671761a5125706735f3b979
sha512 a69e7b09b6d2d00aa6a240853eefa6c7757630d501345f85e578e502925af3d4602ac9d6f4cb657aae095d99dcf90855eb14fbff6742b64dedd0e92f754dd626
ripemd-160 ee62a2c994ae7ffc41711c24db01c03b43be28c4

81330357 as geometric shapes

Circle

Radius = n
Diameter 162660714
Circumference 511013704.13007
Area 2.0780463494396E+16

Sphere

Radius = n
Volume 2.2534433528329E+24
Surface area 8.3121853977582E+16
Circumference 511013704.13007

Square

Length = n
Perimeter 325321428
Area 6614626969747449
Diagonal 115018493.90205

Cube

Length = n
Surface area 39687761818484694
Volume 5.3796997287139E+23
Space diagonal 140868310.52172

Equilateral Triangle

Length = n
Perimeter 243991071
Area 2.8642174961795E+15
Altitude 70434155.260858

Triangular Pyramid

Length = n
Surface area 2.8642174961795E+15
Volume 6.340036931535E+22
Height 38339497.967349