81872014 is an even 8-digits composite number following 81872013
and preceding 81872015 . In scientific notation, it is written as 8.1872014 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 34740000 positive integers (up to 81872014) that are relatively prime to 81872014.
81872014 has 16 divisors, whose sum is 141744096
The reverse of 81872014 is 41027818
Previous prime number is 101
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million eight hundred seventy-two thousand fourteen
Scientific notation
8.1872014 × 10^7
Engineering notation
8.1872014 × 10^6
Prime Factorization
2 × 7 × 101 × 57901
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81872014
Product of the distinct prime numbers
The prime factorization of 81872014 is 2 × 7 × 101 × 57901.
Since it has a total of 4 prime factors.
9 , 1 , 6 , 38 , 756 , 1000 , 9862 , 4641 , 99818 , 72824 , 766335 , 54244 , 1255334 , 3922192 , 36265855 , 30305402 , 504171291 , 460966430 , 2503023875 , 3604925352
n×2
163744028
n×3
245616042
n×4
327488056
n×5
409360070
n÷2
40936007
n÷3
27290671.333333
n÷3
20468003.5
n÷5
16374402.8
n2
6703026676416196
n3
5.4879029389392E+23
n4
4.4930566624747E+31
n5
3.6785559797292E+39
2 √n
9048.3155338439
3 √n
434.22200128223
4 √n
95.122634182637
5 √n
38.249617346335
1 , 2 , 7 , 14 , 101 , 202 , 707 , 1414 , 57901 , 115802 , 405307 , 810614 , 5848001 , 11696002 , 40936007 , 81872014
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81872013
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81872014 can be divided by 16 positive divisors.
The sum of these divisors (counting 81872014) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000010100010010001110
3
Ternary
12201001112021211
4
Quaternary
10320110102032
5
Quinary
131424401024
6
Senary
12042445034
8
Octal
470242216
10
Decimal
81872014
12
Duodecimal
2350377a
16
Hexadecimal
4e1448e
20
Vigesimal
15be00e
36
Base36
1cqsum
md5
ffce577bcd85a4c58a08803303b3aeba
sha1
d7f35470e60d0dabdf8a49e396d3992880e46759
sha256
e2594d16022db2b0397b4038890d7e4b4418e0f5f9cc18d2e38744325d7a492e
sha512
3a70758dcf06ef1beb2fc68ffaf0c98fc2f9a7718339746b2c666a969f69bf36b25e4e2b94eb851dee5b6d0c3758e4bd04e046d60b5b14e9b660429295cefa54
ripemd-160
a893bbff31816cd66e5497bc2eccab43dc6d958e
Diameter
163744028
Circumference
514417035.434
Area
2.1058179363446E+16
Volume
2.2987674075447E+24
Surface area
8.4232717453782E+16
Circumference
514417035.434
Perimeter
327488056
Area
6703026676416196
Diagonal
115784512.5776
Surface area
40218160058497176
Volume
5.4879029389392E+23
Space diagonal
141806487.96599
Perimeter
245616042
Area
2.9024956920106E+15
Altitude
70903243.982995
Surface area
2.9024956920106E+15
Volume
6.4675556376958E+22
Height
38594837.525867