81870108 (number)

81870108 is an even 8-digits composite number following 81870107 and preceding 81870109. In scientific notation, it is written as 8.1870108 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 24 positive divisors. There are 26655216 positive integers (up to 81870108) that are relatively prime to 81870108.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.1870108 × 10^7
Engineering notation 8.1870108 × 10^6

Prime Factorization of 81870108

Prime Factorization 2 × 2 × 3 × 43 × 158663

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 40935054
Product of the distinct prime numbers

The prime factorization of 81870108 is 2 × 2 × 3 × 43 × 158663. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 8, 44, 59, 575, 247, 6162, 4279, 30828, 34455, 909630, 64922, 1802775, 7247352, 6514392, 6710100, 284963861, 776846113, 5023893099, 6339316087

Basic calculations (n = 81870108)

Multiplication

n×y
n×2 163740216
n×3 245610324
n×4 327480432
n×5 409350540

Division

n÷y
n÷2 40935054
n÷3 27290036
n÷3 20467527
n÷5 16374021.6

Exponentiation

ny
n2 6702714583931664
n3 5.4875196687966E+23
n4 4.492638279365E+31
n5 3.6781278113655E+39

Nth Root

y√n
2√n 9048.2102097597
3√n 434.21863165886
4√n 95.122080558405
5√n 38.249439252635

Divisors of 81870108

1, 2, 3, 4, 6, 12, 43, 86, 129, 172, 258, 516, 158663, 317326, 475989, 634652, 951978, 1903956, 6822509, 13645018, 20467527, 27290036, 40935054, 81870108

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 -81870107
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 81870108 can be divided by 24 positive divisors. The sum of these divisors (counting 81870108) is 1, the average is 0.041666666666667.

Base conversion 81870108

Base System Value
2 Binary 100111000010011110100011100
3 Ternary 12201001102200020
4 Quaternary 10320103310130
5 Quinary 131424320413
6 Senary 12042432140
8 Octal 470236434
10 Decimal 81870108
12 Duodecimal 23502650
16 Hexadecimal 4e13d1c
20 Vigesimal 15bdf58
36 Base36 1cqrdo

Cryptographic Hash Functions

md5 f0fdf5b5a0a0e386524845f6045e14c4
sha1 645ea16b2ea796f4f4435c0e8f8af0d5ed63950c
sha256 9b75a2fa089ab4f6343b8dc7b6ef785b05a1d5551034cf03f0dbdd986fdfe727
sha512 ad00657e7e5894582c8925ad330f637caf8a9fbd060f0f016309f3e1af4292c0ce9a519ef661206f86f006db57c797d1c9396126118c78f426add6e142fdef3a
ripemd-160 d1c083098f9053331d975eeb627c80eb51c02619

81870108 as geometric shapes

Circle

Radius = n
Diameter 163740216
Circumference 514405059.68281
Area 2.1057198895989E+16

Sphere

Radius = n
Volume 2.2986068637228E+24
Surface area 8.4228795583956E+16
Circumference 514405059.68281

Square

Length = n
Perimeter 327480432
Area 6702714583931664
Diagonal 115781817.08655

Cube

Length = n
Surface area 40216287503589984
Volume 5.4875196687966E+23
Space diagonal 141803186.67715

Equilateral Triangle

Length = n
Perimeter 245610324
Area 2.9023605520006E+15
Altitude 70901593.338576

Triangular Pyramid

Length = n
Surface area 2.9023605520006E+15
Volume 6.4671039495011E+22
Height 38593939.02885