81742045 (number)

81742045 is an odd 8-digits composite number following 81742044 and preceding 81742046. In scientific notation, it is written as 8.1742045 × 10^7. The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors. There are 50873760 positive integers (up to 81742045) that are relatively prime to 81742045.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred forty-two thousand forty-five

Notation

Scientific notation 8.1742045 × 10^7
Engineering notation 8.1742045 × 10^6

Prime Factorization of 81742045

Prime Factorization 49 × 5 × 49 × 11 × 619

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 1668205
Product of the distinct prime numbers

The prime factorization of 81742045 is 49 × 5 × 49 × 11 × 619. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 6, 12, 13, 344, 65, 1408, 9368, 14207, 99331, 789167, 254588, 6309251, 544575, 21305672, 38889254, 106955943, 954614300, 1599315965, 7259203339

Basic calculations (n = 81742045)

Multiplication

n×y
n×2 163484090
n×3 245226135
n×4 326968180
n×5 408710225

Division

n÷y
n÷2 40871022.5
n÷3 27247348.333333
n÷3 20435511.25
n÷5 16348409

Exponentiation

ny
n2 6681761920782025
n3 5.4618088360785E+23
n4 4.4645942366013E+31
n5 3.64945062995E+39

Nth Root

y√n
2√n 9041.130736805
3√n 433.99210877084
4√n 95.08486071297
5√n 38.237465637911

Divisors of 81742045

1, 5, 11, 49, 55, 245, 539, 619, 2401, 2695, 3095, 6809, 12005, 26411, 30331, 34045, 132055, 151655, 333641, 1486219, 1668205, 7431095, 16348409, 81742045

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 -81742044
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 81742045 can be divided by 24 positive divisors. The sum of these divisors (counting 81742045) is 1, the average is 0.041666666666667.

Base conversion 81742045

Base System Value
2 Binary 100110111110100100011011101
3 Ternary 12200210221000011
4 Quaternary 10313310203131
5 Quinary 131411221140
6 Senary 12040003221
8 Octal 467644335
10 Decimal 81742045
12 Duodecimal 23460511
16 Hexadecimal 4df48dd
20 Vigesimal 15ahf25
36 Base36 1co0kd

Cryptographic Hash Functions

md5 403d13be049ae0b7575111dc4351f6e8
sha1 112a7416fb96b90aa2760bd796aad67b44668068
sha256 1c5899c5eb663eaa5206d3b0b5c1cfd1586e9c54b4c780b06e96bbc7a74d3289
sha512 f107dc5f4e1217f734a2999bc09c6ba270f58a90c30b5de23957f6f3c9f3b18e307610f7d8c59796a0db0c7c05f7048e0e364db9f587c87eacc0fcd0eba26cbb
ripemd-160 0cd8980a32259f2def439c7ce9c5c9a47824fbf6

81742045 as geometric shapes

Circle

Radius = n
Diameter 163484090
Circumference 513600416.12281
Area 2.0991374163365E+16

Sphere

Radius = n
Volume 2.2878371352981E+24
Surface area 8.3965496653459E+16
Circumference 513600416.12281

Square

Length = n
Perimeter 326968180
Area 6681761920782025
Diagonal 115600708.65511

Cube

Length = n
Surface area 40090571524692150
Volume 5.4618088360785E+23
Space diagonal 141581375.05458

Equilateral Triangle

Length = n
Perimeter 245226135
Area 2.8932877827184E+15
Altitude 70790687.527291

Triangular Pyramid

Length = n
Surface area 2.8932877827184E+15
Volume 6.4368034425595E+22
Height 38533569.551704