81874080 is an even 8-digits composite number following 81874079
and preceding 81874081 . In scientific notation, it is written as 8.1874080 × 10^7.
The sum of its digits is 36. It has a total of 7 prime factors and 24 positive divisors.
There are 21832704 positive integers (up to 81874080) that are relatively prime to 81874080.
81874080 has 24 divisors, whose sum is 164774484
The reverse of 81874080 is 08047818
Previous prime number is 45
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
eighty-one million eight hundred seventy-four thousand eighty
Scientific notation
8.1874080 × 10^7
Engineering notation
8.1874080 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 45 × 56857
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5117130
Product of the distinct prime numbers
The prime factorization of 81874080 is 2 × 2 × 2 × 2 × 2 × 45 × 56857.
Since it has a total of 7 prime factors.
9 , 10 , 25 , 67 , 27 , 494 , 4280 , 6804 , 31594 , 73869 , 432281 , 56831 , 8955502 , 9229393 , 61069453 , 84798144 , 238583711 , 683461529 , 1578033925 , 3464332827
n×2
163748160
n×3
245622240
n×4
327496320
n×5
409370400
n÷2
40937040
n÷3
27291360
n÷3
20468520
n÷5
16374816
n2
6703364975846400
n3
5.4883184030165E+23
n4
4.4935101999404E+31
n5
3.6790201359074E+39
2 √n
9048.4296980194
3 √n
434.22565371105
4 √n
95.123234270179
5 √n
38.249810386442
1 , 2 , 4 , 8 , 16 , 32 , 45 , 90 , 180 , 360 , 720 , 1440 , 56857 , 113714 , 227428 , 454856 , 909712 , 1819424 , 2558565 , 5117130 , 10234260 , 20468520 , 40937040 , 81874080
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
-81874079
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 81874080 can be divided by 24 positive divisors.
The sum of these divisors (counting 81874080) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100111000010100110010100000
3
Ternary
12201001122010100
4
Quaternary
10320110302200
5
Quinary
131424432310
6
Senary
12042502400
8
Octal
470246240
10
Decimal
81874080
12
Duodecimal
23504a00
16
Hexadecimal
4e14ca0
20
Vigesimal
15be540
36
Base36
1cqug0
md5
550797ae74bc8dda06c20fb4b218d57d
sha1
a63774a6fc30aa0e65b9e7f2d754e8ebab2f8044
sha256
cbfebee4dc11b341a41b20b6826cfe0bdb65ba6b32f5cc94a5edc1b320b38ea6
sha512
c6365b31f3b71433f4e7fcf509ffa42e20a72fef64d3bdd7c74bd57da02125f87eeed6f06cb9a4700f108082572fe019a572f4c62a620ebc9b18acbb91a4f944
ripemd-160
743a088b6f9876fe650bd3fd3a7c2e5f2aa01d91
Diameter
163748160
Circumference
514430016.49485
Area
2.105924216245E+16
Volume
2.2989414367304E+24
Surface area
8.4236968649801E+16
Circumference
514430016.49485
Perimeter
327496320
Area
6703364975846400
Diagonal
115787434.34282
Surface area
40220189855078400
Volume
5.4883184030165E+23
Space diagonal
141810066.38296
Perimeter
245622240
Area
2.9026421799609E+15
Altitude
70905033.191479
Surface area
2.9026421799609E+15
Volume
6.4680452668064E+22
Height
38595811.447607