81872016 (number)

81872016 is an even 8-digits composite number following 81872015 and preceding 81872017. In scientific notation, it is written as 8.1872016 × 10^7. The sum of its digits is 33. It has a total of 6 prime factors and 20 positive divisors. There are 27290656 positive integers (up to 81872016) that are relatively prime to 81872016.

Interesting facts

Basic properties

Name

Name eighty-one million eight hundred seventy-two thousand sixteen

Notation

Scientific notation 8.1872016 × 10^7
Engineering notation 8.1872016 × 10^6

Prime Factorization of 81872016

Prime Factorization 2 × 2 × 2 × 2 × 3 × 1705667

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 10234002
Product of the distinct prime numbers

The prime factorization of 81872016 is 2 × 2 × 2 × 2 × 3 × 1705667. Since it has a total of 6 prime factors.

Most popular turbo-numbers

5, 1, 54, 78, 302, 166, 5158, 5654, 69741, 81981, 101588, 204365, 541073, 1173624, 44530505, 75483595, 583686345, 634755347, 4490938872, 7785706018

Basic calculations (n = 81872016)

Multiplication

n×y
n×2 163744032
n×3 245616048
n×4 327488064
n×5 409360080

Division

n÷y
n÷2 40936008
n÷3 27290672
n÷3 20468004
n÷5 16374403.2

Exponentiation

ny
n2 6703027003904256
n3 5.4879033411208E+23
n4 4.493057101507E+31
n5 3.6785564290349E+39

Nth Root

y√n
2√n 9048.3156443617
3√n 434.22200481801
4√n 95.12263476356
5√n 38.24961753321

Divisors of 81872016

1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1705667, 3411334, 5117001, 6822668, 10234002, 13645336, 20468004, 27290672, 40936008, 81872016

20 divisors

τ Total Divisors 20
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81872015
Sum of the proper positive divisors of n
A Arithmetic Mean 0.05
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 20
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81872016 can be divided by 20 positive divisors. The sum of these divisors (counting 81872016) is 1, the average is 0.05.

Base conversion 81872016

Base System Value
2 Binary 100111000010100010010010000
3 Ternary 12201001112021220
4 Quaternary 10320110102100
5 Quinary 131424401031
6 Senary 12042445040
8 Octal 470242220
10 Decimal 81872016
12 Duodecimal 23503780
16 Hexadecimal 4e14490
20 Vigesimal 15be00g
36 Base36 1cqsuo

Cryptographic Hash Functions

md5 1f3fa60c52f4591c3c5e529e9372d94b
sha1 41bb78af09aa3f9b73c592afb83e79a8be499140
sha256 54c22be6cdb638bac688ba9b6a104853d719bc860f6236d04d7a84256e61f474
sha512 70c8401b618d20195315e9bf076730bfc06be3e0834bac05141092db1b17d44017034fa6432730c559c981bef8306a287bdd9dba6ef4393aedaed723b1dee9b4
ripemd-160 873f4520755067e639fc77c0b8dfaf3044241407

81872016 as geometric shapes

Circle

Radius = n
Diameter 163744032
Circumference 514417048.00037
Area 2.105818039228E+16

Sphere

Radius = n
Volume 2.2987675760101E+24
Surface area 8.4232721569118E+16
Circumference 514417048.00037

Square

Length = n
Perimeter 327488064
Area 6703027003904256
Diagonal 115784515.40603

Cube

Length = n
Surface area 40218162023425536
Volume 5.4879033411208E+23
Space diagonal 141806491.43009

Equilateral Triangle

Length = n
Perimeter 245616048
Area 2.9024958338171E+15
Altitude 70903245.715046

Triangular Pyramid

Length = n
Surface area 2.9024958338171E+15
Volume 6.4675561116714E+22
Height 38594838.468676