81736809 (number)

81736809 is an odd 8-digits composite number following 81736808 and preceding 81736810. In scientific notation, it is written as 8.1736809 × 10^7. The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors. There are 42292800 positive integers (up to 81736809) that are relatively prime to 81736809.

Interesting facts

Basic properties

Name

Name eighty-one million seven hundred thirty-six thousand eight hundred nine

Notation

Scientific notation 8.1736809 × 10^7
Engineering notation 8.1736809 × 10^6

Prime Factorization of 81736809

Prime Factorization 3 × 7 × 11 × 331 × 1069

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81736809
Product of the distinct prime numbers

The prime factorization of 81736809 is 3 × 7 × 11 × 331 × 1069. Since it has a total of 5 prime factors.

Most popular turbo-numbers

2, 7, 94, 60, 984, 321, 4998, 231, 61442, 80227, 50703, 865361, 7661630, 904115, 68538637, 7114577, 853736950, 407223029, 3586095473, 434515746

Basic calculations (n = 81736809)

Multiplication

n×y
n×2 163473618
n×3 245210427
n×4 326947236
n×5 408684045

Division

n÷y
n÷2 40868404.5
n÷3 27245603
n÷3 20434202.25
n÷5 16347361.8

Exponentiation

ny
n2 6680905945502481
n3 5.460759332145E+23
n4 4.463450425265E+31
n5 3.6482819489086E+39

Nth Root

y√n
2√n 9040.8411666172
3√n 433.98284209459
4√n 95.083338007335
5√n 38.236975763942

Divisors of 81736809

1, 3, 7, 11, 21, 33, 77, 231, 331, 993, 1069, 2317, 3207, 3641, 6951, 7483, 10923, 11759, 22449, 25487, 35277, 76461, 82313, 246939, 353839, 1061517, 2476873, 3892229, 7430619, 11676687, 27245603, 81736809

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81736808
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81736809 can be divided by 32 positive divisors. The sum of these divisors (counting 81736809) is 1, the average is 0.03125.

Base conversion 81736809

Base System Value
2 Binary 100110111110011010001101001
3 Ternary 12200210122211020
4 Quaternary 10313303101221
5 Quinary 131411034214
6 Senary 12035523053
8 Octal 467632151
10 Decimal 81736809
12 Duodecimal 23459489
16 Hexadecimal 4df3469
20 Vigesimal 15ah209
36 Base36 1cnwix

Cryptographic Hash Functions

md5 b2ab424813edd3ed7c0e2570df8cadea
sha1 f26ef952c4bad72f954bb855d813fc9c2da86ffb
sha256 4be74604f7680e5e4bfe44df4cbe385748e774d870dc5e086232b8e03255f427
sha512 8e9196d1915cfc226f1d5917f402e7fe72fe197701ea78286f51de8e4f87b8a73bf4bf05b3c02532d9b9fd19d168ffbb6a1ee1960c086cf6bc45af0e1ae5ce0b
ripemd-160 4e33e39b04de306d23eb2268a549640a1dea14c5

81736809 as geometric shapes

Circle

Radius = n
Diameter 163473618
Circumference 513567517.36454
Area 2.0988685037715E+16

Sphere

Radius = n
Volume 2.2873975201185E+24
Surface area 8.395474015086E+16
Circumference 513567517.36454

Square

Length = n
Perimeter 326947236
Area 6680905945502481
Diagonal 115593303.8329

Cube

Length = n
Surface area 40085435673014886
Volume 5.460759332145E+23
Space diagonal 141572306.03655

Equilateral Triangle

Length = n
Perimeter 245210427
Area 2.8929171345498E+15
Altitude 70786153.018277

Triangular Pyramid

Length = n
Surface area 2.8929171345498E+15
Volume 6.4355665903124E+22
Height 38531101.277633