81330993 (number)

81330993 is an odd 8-digits composite number following 81330992 and preceding 81330994. In scientific notation, it is written as 8.1330993 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 52012800 positive integers (up to 81330993) that are relatively prime to 81330993.

Interesting facts

Basic properties

Name

Name eighty-one million three hundred thirty thousand nine hundred ninety-three

Notation

Scientific notation 8.1330993 × 10^7
Engineering notation 8.1330993 × 10^6

Prime Factorization of 81330993

Prime Factorization 27 × 29 × 431 × 241

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81330993
Product of the distinct prime numbers

The prime factorization of 81330993 is 27 × 29 × 431 × 241. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 68, 44, 846, 184, 6681, 1392, 87172, 87343, 610995, 839993, 65687, 7872959, 16231035, 9313329, 809414383, 179956530, 8509859365, 8675448618

Basic calculations (n = 81330993)

Multiplication

n×y
n×2 162661986
n×3 243992979
n×4 325323972
n×5 406654965

Division

n÷y
n÷2 40665496.5
n÷3 27110331
n÷3 20332748.25
n÷5 16266198.6

Exponentiation

ny
n2 6614730422366049
n3 5.3798259367834E+23
n4 4.3754658560575E+31
n5 3.5586098291075E+39

Nth Root

y√n
2√n 9018.3697528988
3√n 433.26342139722
4√n 94.965097551147
5√n 38.198931496176

Divisors of 81330993

1, 27, 29, 241, 431, 783, 6507, 6989, 11637, 12499, 103871, 188703, 337473, 2804517, 3012259, 81330993

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 -81330992
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 81330993 can be divided by 16 positive divisors. The sum of these divisors (counting 81330993) is 1, the average is 0.0625.

Base conversion 81330993

Base System Value
2 Binary 100110110010000001100110001
3 Ternary 12200001001011000
4 Quaternary 10312100030301
5 Quinary 131310042433
6 Senary 12023112213
8 Octal 466201461
10 Decimal 81330993
12 Duodecimal 232a2669
16 Hexadecimal 4d90331
20 Vigesimal 158679d
36 Base36 1cf7e9

Cryptographic Hash Functions

md5 da043e778d6f0625e61e0b4af6ade239
sha1 27c5afcc2ac901f5fbb6d02e4430f47b63fa52e7
sha256 fe7af19865e02f3eef1dc243aa31828e8e991307a0d0cd32cd74ca7a79707167
sha512 b12cc9172ccfdf4fad26477b8aaaec48b5bfd8bd0ce8690bf546b776d289d6d0fae7a43de5427e070f8ad90a1c4a938ca9dda3488ab1222893596d99d79b8b08
ripemd-160 8daa02511d4dae789e49cf03c59624f9d58d4cb3

81330993 as geometric shapes

Circle

Radius = n
Diameter 162661986
Circumference 511017700.23593
Area 2.0780788500382E+16

Sphere

Radius = n
Volume 2.2534962187454E+24
Surface area 8.3123154001528E+16
Circumference 511017700.23593

Square

Length = n
Perimeter 325323972
Area 6614730422366049
Diagonal 115019393.34187

Cube

Length = n
Surface area 39688382534196294
Volume 5.3798259367834E+23
Space diagonal 140869412.10603

Equilateral Triangle

Length = n
Perimeter 243992979
Area 2.8642622924774E+15
Altitude 70434706.053014

Triangular Pyramid

Length = n
Surface area 2.8642622924774E+15
Volume 6.3401856691714E+22
Height 38339797.780624