81603670 is an even 8-digits composite number following 81603669
and preceding 81603671 . In scientific notation, it is written as 8.1603670 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 32 positive divisors.
There are 30800736 positive integers (up to 81603670) that are relatively prime to 81603670.
81603670 has 32 divisors, whose sum is 155232000
The reverse of 81603670 is 07630618
Previous prime number is 307
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million six hundred three thousand six hundred seventy
Scientific notation
8.1603670 × 10^7
Engineering notation
8.1603670 × 10^6
Prime Factorization
2 × 19 × 5 × 307 × 1399
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81603670
Product of the distinct prime numbers
The prime factorization of 81603670 is 2 × 19 × 5 × 307 × 1399.
Since it has a total of 5 prime factors.
7 , 8 , 57 , 54 , 152 , 700 , 3434 , 9646 , 10505 , 25973 , 712815 , 36560 , 341753 , 9389484 , 17872483 , 92942942 , 413252358 , 29151618 , 3904136491 , 991668945
n×2
163207340
n×3
244811010
n×4
326414680
n×5
408018350
n÷2
40801835
n÷3
27201223.333333
n÷3
20400917.5
n÷5
16320734
n2
6659158957468900
n3
5.4341181004284E+23
n4
4.4344398020838E+31
n5
3.6186656224411E+39
2 √n
9033.4749681393
3 √n
433.74707951758
4 √n
95.044594628729
5 √n
38.224510993283
1 , 2 , 5 , 10 , 19 , 38 , 95 , 190 , 307 , 614 , 1399 , 1535 , 2798 , 3070 , 5833 , 6995 , 11666 , 13990 , 26581 , 29165 , 53162 , 58330 , 132905 , 265810 , 429493 , 858986 , 2147465 , 4294930 , 8160367 , 16320734 , 40801835 , 81603670
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81603669
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81603670 can be divided by 32 positive divisors.
The sum of these divisors (counting 81603670) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110111010010110001010110
3
Ternary
12200112220012011
4
Quaternary
10313102301112
5
Quinary
131342304140
6
Senary
12033014434
8
Octal
467226126
10
Decimal
81603670
12
Duodecimal
233b441a
16
Hexadecimal
4dd2c56
20
Vigesimal
15a093a
36
Base36
1cl1sm
md5
a1809ee68148a368e8198cd263ca0ea0
sha1
c909b353c4be152291ad0cc8236da66582544102
sha256
2a5ba80cc9561fdb029f45c723357c3063e0ae7bca3d088ad5791a64c8b37d1c
sha512
ac64ade2663b57936d4dc6cfe90d1727ea4f6639c42dc6c9194595974f83cf983f8b2814142e456149665417dee7434f494f7ce0bdb9b744a127561d5e1ed61b
ripemd-160
c04f1d58859eef8b9d4e8580aa61689a62a0fb72
Diameter
163207340
Circumference
512730980.35593
Area
2.0920364859871E+16
Volume
2.2762380670727E+24
Surface area
8.3681459439484E+16
Circumference
512730980.35593
Perimeter
326414680
Area
6659158957468900
Diagonal
115405016.85342
Surface area
39954953744813400
Volume
5.4341181004284E+23
Space diagonal
141341702.52408
Perimeter
244811010
Area
2.8835004125034E+15
Altitude
70670851.262042
Surface area
2.8835004125034E+15
Volume
6.4041695976358E+22
Height
38468338.951139