81494877 (number)

81494877 is an odd 8-digits composite number following 81494876 and preceding 81494878. In scientific notation, it is written as 8.1494877 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 52459440 positive integers (up to 81494877) that are relatively prime to 81494877.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1494877 × 10^7
Engineering notation 8.1494877 × 10^6

Prime Factorization of 81494877

Prime Factorization 31 × 3 × 1283 × 683

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 81494877
Product of the distinct prime numbers

The prime factorization of 81494877 is 31 × 3 × 1283 × 683. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 7, 83, 87, 933, 21, 4492, 6493, 84302, 72695, 254712, 160253, 3219254, 4037927, 16057068, 63558617, 177613636, 947158727, 5757814710, 6357390104

Basic calculations (n = 81494877)

Multiplication

n×y
n×2 162989754
n×3 244484631
n×4 325979508
n×5 407474385

Division

n÷y
n÷2 40747438.5
n÷3 27164959
n÷3 20373719.25
n÷5 16298975.4

Exponentiation

ny
n2 6641414977245129
n3 5.4124129667655E+23
n4 4.4108392899976E+31
n5 3.5946080540512E+39

Nth Root

y√n
2√n 9027.4513014472
3√n 433.55423838675
4√n 95.012900710625
5√n 38.214313465021

Divisors of 81494877

1, 3, 31, 93, 683, 1283, 2049, 3849, 21173, 39773, 63519, 119319, 876289, 2628867, 27164959, 81494877

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 -81494876
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 81494877 can be divided by 16 positive divisors. The sum of these divisors (counting 81494877) is 1, the average is 0.0625.

Base conversion 81494877

Base System Value
2 Binary 100110110111000001101011101
3 Ternary 12200100100221210
4 Quaternary 10312320031131
5 Quinary 131330314002
6 Senary 12030415033
8 Octal 466701535
10 Decimal 81494877
12 Duodecimal 23361479
16 Hexadecimal 4db835d
20 Vigesimal 1596h3h
36 Base36 1cipul

Cryptographic Hash Functions

md5 0cafdf34e6d4e4b3ec6282bc6f16f359
sha1 fb86d93ae0890b3a37b928052ffce3c9bde2d046
sha256 83ff74df1ba1a8836e49b3e2a33d0fbd68e3bebd18236cc62f2d36e1338d2522
sha512 1b2751b0900de29ba95c55aa595a5ab9e6030777cb648fa32ca366648abae7fea505c8ef8deac5e0abca4482ef0851dd17a2d10ee549399a387084b8c89a6fd2
ripemd-160 895e8efe16f6665559b15c04fa5d39189bdb396e

81494877 as geometric shapes

Circle

Radius = n
Diameter 162989754
Circumference 512047413.77681
Area 2.0864620501955E+16

Sphere

Radius = n
Volume 2.2671462419446E+24
Surface area 8.3458482007818E+16
Circumference 512047413.77681

Square

Length = n
Perimeter 325979508
Area 6641414977245129
Diagonal 115251160.31733

Cube

Length = n
Surface area 39848489863470774
Volume 5.4124129667655E+23
Space diagonal 141153267.52058

Equilateral Triangle

Length = n
Perimeter 244484631
Area 2.8758170436844E+15
Altitude 70576633.760288

Triangular Pyramid

Length = n
Surface area 2.8758170436844E+15
Volume 6.3785898523031E+22
Height 38417053.439109