81406775 (number)

81406775 is an odd 8-digits composite number following 81406774 and preceding 81406776. In scientific notation, it is written as 8.1406775 × 10^7. The sum of its digits is 38. It has a total of 5 prime factors and 24 positive divisors. There are 60271200 positive integers (up to 81406775) that are relatively prime to 81406775.

Interesting facts

Basic properties

Name

Name eighty-one million four hundred six thousand seven hundred seventy-five

Notation

Scientific notation 8.1406775 × 10^7
Engineering notation 8.1406775 × 10^6

Prime Factorization of 81406775

Prime Factorization 5 × 5 × 23 × 31 × 4567

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 16281355
Product of the distinct prime numbers

The prime factorization of 81406775 is 5 × 5 × 23 × 31 × 4567. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 9, 36, 33, 352, 128, 5653, 7235, 98780, 67206, 2581, 545394, 7660356, 7989036, 70165088, 3060449, 570377592, 77462897, 4973607128, 9250468652

Basic calculations (n = 81406775)

Multiplication

n×y
n×2 162813550
n×3 244220325
n×4 325627100
n×5 407033875

Division

n÷y
n÷2 40703387.5
n÷3 27135591.666667
n÷3 20351693.75
n÷5 16281355

Exponentiation

ny
n2 6627063015900625
n3 5.3948782784624E+23
n4 4.3917964216718E+31
n5 3.5752198314484E+39

Nth Root

y√n
2√n 9022.5703100613
3√n 433.39794730121
4√n 94.987211297423
5√n 38.206047388919

Divisors of 81406775

1, 5, 23, 25, 31, 115, 155, 575, 713, 775, 3565, 4567, 17825, 22835, 105041, 114175, 141577, 525205, 707885, 2626025, 3256271, 3539425, 16281355, 81406775

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 -81406774
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 81406775 can be divided by 24 positive divisors. The sum of these divisors (counting 81406775) is 1, the average is 0.041666666666667.

Base conversion 81406775

Base System Value
2 Binary 100110110100010101100110111
3 Ternary 12200011220002202
4 Quaternary 10312202230313
5 Quinary 131320004100
6 Senary 12024455115
8 Octal 466425467
10 Decimal 81406775
12 Duodecimal 2331a49b
16 Hexadecimal 4da2b37
20 Vigesimal 158fgif
36 Base36 1cgtvb

Cryptographic Hash Functions

md5 0bb820f229c5352a605abcee5d260068
sha1 645f3ee09eaf4849208fa3bb92e80a57a445bc3b
sha256 7fcc4a397dc1f01aec6261512c5dbf0511667cea87a79d3431804ef78aa80bf9
sha512 1447c02613b035da14996c4ee0203d86b944d0640c3a7560037d41c514c7f682cbb02267ad1c7c16906f966a0a3d4d69429880432c9c35a95ffe56dcf3aea259
ripemd-160 93bf3de4b3ee299249446259bcc0a129a8459ee8

81406775 as geometric shapes

Circle

Radius = n
Diameter 162813550
Circumference 511493852.58487
Area 2.081953248563E+16

Sphere

Radius = n
Volume 2.2598013288838E+24
Surface area 8.327812994252E+16
Circumference 511493852.58487

Square

Length = n
Perimeter 325627100
Area 6627063015900625
Diagonal 115126565.27406

Cube

Length = n
Surface area 39762378095403750
Volume 5.3948782784624E+23
Space diagonal 141000670.38033

Equilateral Triangle

Length = n
Perimeter 244220325
Area 2.8696024621251E+15
Altitude 70500335.190164

Triangular Pyramid

Length = n
Surface area 2.8696024621251E+15
Volume 6.3579250239613E+22
Height 38375521.758018