81741888 (number)

81741888 is an even 8-digits composite number following 81741887 and preceding 81741889. In scientific notation, it is written as 8.1741888 × 10^7. The sum of its digits is 45. It has a total of 9 prime factors and 56 positive divisors. There are 27068160 positive integers (up to 81741888) that are relatively prime to 81741888.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-one thousand eight hundred eighty-eight

Notation

Scientific notation 8.1741888 × 10^7
Engineering notation 8.1741888 × 10^6

Prime Factorization of 81741888

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 9 × 191 × 743

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 2554434
Product of the distinct prime numbers

The prime factorization of 81741888 is 2 × 2 × 2 × 2 × 2 × 2 × 9 × 191 × 743. Since it has a total of 9 prime factors.

Most popular turbo-numbers

6, 7, 64, 28, 420, 326, 4730, 2174, 11523, 27967, 896864, 946074, 9677295, 3595328, 72327188, 99922289, 255135246, 33924657, 4411646664, 6678110601

Basic calculations (n = 81741888)

Multiplication

n×y
n×2 163483776
n×3 245225664
n×4 326967552
n×5 408709440

Division

n÷y
n÷2 40870944
n÷3 27247296
n÷3 20435472
n÷5 16348377.6

Exponentiation

ny
n2 6681736253804544
n3 5.4617773650403E+23
n4 4.4645599365406E+31
n5 3.6494155830199E+39

Nth Root

y√n
2√n 9041.1220542585
3√n 433.99183091789
4√n 95.08481505613
5√n 38.237450949541

Divisors of 81741888

1, 2, 4, 8, 9, 16, 18, 32, 36, 64, 72, 144, 191, 288, 382, 576, 743, 764, 1486, 1528, 1719, 2972, 3056, 3438, 5944, 6112, 6687, 6876, 11888, 12224, 13374, 13752, 23776, 26748, 27504, 47552, 53496, 55008, 106992, 110016, 141913, 213984, 283826, 427968, 567652, 1135304, 1277217, 2270608, 2554434, 4541216, 5108868, 9082432, 10217736, 20435472, 40870944, 81741888

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81741887
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81741888 can be divided by 56 positive divisors. The sum of these divisors (counting 81741888) is 1, the average is 0.017857142857143.

Base conversion 81741888

Base System Value
2 Binary 100110111110100100001000000
3 Ternary 12200210220210100
4 Quaternary 10313310201000
5 Quinary 131411220023
6 Senary 12040002400
8 Octal 467644100
10 Decimal 81741888
12 Duodecimal 23460400
16 Hexadecimal 4df4840
20 Vigesimal 15ahee8
36 Base36 1co0g0

Cryptographic Hash Functions

md5 9d9668e703202ce12d6f33f49b01cac1
sha1 0d334dc2665a6035a9ea26252fc388a3ef55dbf3
sha256 8033d0e20ce546638091b93253e82ef7efcbc1d97828a1eb30773e8deab4ed1a
sha512 bbe7d786a602fd330b41002a4b2ae1fc9d0208245ca0af9389487ed854d9d0d88bd479034cc946fbb9a8678790a3fbc0e06d18c983bb7b9205ec1e42bb5ac768
ripemd-160 c8fe4fbc8ef5c98c490421b7c14cc1b15ea422b5

81741888 as geometric shapes

Circle

Radius = n
Diameter 163483776
Circumference 513599429.66272
Area 2.0991293528177E+16

Sphere

Radius = n
Volume 2.2878239527405E+24
Surface area 8.3965174112708E+16
Circumference 513599429.66272

Square

Length = n
Perimeter 326967552
Area 6681736253804544
Diagonal 115600486.62358

Cube

Length = n
Surface area 40090417522827264
Volume 5.4617773650403E+23
Space diagonal 141581103.1226

Equilateral Triangle

Length = n
Perimeter 245225664
Area 2.8932766685911E+15
Altitude 70790551.561302

Triangular Pyramid

Length = n
Surface area 2.8932766685911E+15
Volume 6.4367663535853E+22
Height 38533495.541194