81004054 is an even 8-digits composite number following 81004053
and preceding 81004055 . In scientific notation, it is written as 8.1004054 × 10^7.
The sum of its digits is 22. It has a total of 3 prime factors and 8 positive divisors.
There are 39195480 positive integers (up to 81004054) that are relatively prime to 81004054.
81004054 has 8 divisors, whose sum is 125425728
The reverse of 81004054 is 45040018
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighty-one million four thousand fifty-four
Scientific notation
8.1004054 × 10^7
Engineering notation
8.1004054 × 10^6
Prime Factorization
2 × 31 × 1306517
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81004054
Product of the distinct prime numbers
The prime factorization of 81004054 is 2 × 31 × 1306517.
Since it has a total of 3 prime factors.
7 , 3 , 20 , 13 , 67 , 617 , 5469 , 1960 , 6960 , 22402 , 786941 , 67979 , 5621600 , 3515576 , 80700582 , 52651137 , 442209417 , 978944857 , 6859773110 , 5626879587
n×2
162008108
n×3
243012162
n×4
324016216
n×5
405020270
n÷2
40502027
n÷3
27001351.333333
n÷3
20251013.5
n÷5
16200810.8
n2
6561656764434916
n3
5.3152079887575E+23
n4
4.3055339494254E+31
n5
3.4876570453809E+39
2 √n
9000.2252194042
3 √n
432.68208934187
4 √n
94.86951680811
5 √n
38.16817114339
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81004053
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81004054 can be divided by 8 positive divisors.
The sum of these divisors (counting 81004054) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101000000011000010110
3
Ternary
12122102102200011
4
Quaternary
10311000120112
5
Quinary
131214112204
6
Senary
12012110434
8
Octal
465003026
10
Decimal
81004054
12
Duodecimal
2316541a
16
Hexadecimal
4d40616
20
Vigesimal
1565a2e
36
Base36
1c874m
md5
d2332b98b1c409ee36624ab01712b892
sha1
f655240b33bb4667af3ef36cab1c7e9037d78cd8
sha256
19528a14f020d0e4a7f6618113c2312d53f939290bc5f4e12d215efb51601bb2
sha512
02c1e50cd3c05416d6e3ca1f069adb541c86c1fd80cb884d636309c33b0736b40efdefacfa0115154777c0b825e44c2d15d060f16fe90c50024a5734b76fdafc
ripemd-160
99d6226482ba0d33bedbdde3a03722af79da37ca
Diameter
162008108
Circumference
508963481.91478
Area
2.0614052686527E+16
Volume
2.226429115971E+24
Surface area
8.2456210746106E+16
Circumference
508963481.91478
Perimeter
324016216
Area
6561656764434916
Diagonal
114557031.774
Surface area
39369940586609496
Volume
5.3152079887575E+23
Space diagonal
140303137.14705
Perimeter
243012162
Area
2.8412807244573E+15
Altitude
70151568.573526
Surface area
2.8412807244573E+15
Volume
6.2640326871122E+22
Height
38185677.258001