81330802 is an even 8-digits composite number following 81330801
and preceding 81330803 . In scientific notation, it is written as 8.1330802 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 34045200 positive integers (up to 81330802) that are relatively prime to 81330802.
81330802 has 8 divisors, whose sum is 122402412
The reverse of 81330802 is 20803318
Previous prime number is 301
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
eighty-one million three hundred thirty thousand eight hundred two
Scientific notation
8.1330802 × 10^7
Engineering notation
8.1330802 × 10^6
Prime Factorization
2 × 301 × 135101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81330802
Product of the distinct prime numbers
The prime factorization of 81330802 is 2 × 301 × 135101.
Since it has a total of 3 prime factors.
4 , 8 , 76 , 54 , 570 , 489 , 868 , 2209 , 48788 , 28284 , 45630 , 688325 , 7190855 , 4387902 , 72183024 , 7830538 , 511169563 , 876601487 , 1968622716 , 7264080284
n×2
162661604
n×3
243992406
n×4
325323208
n×5
406654010
n÷2
40665401
n÷3
27110267.333333
n÷3
20332700.5
n÷5
16266160.4
n2
6614699353963204
n3
5.3797880344671E+23
n4
4.3754247543321E+31
n5
3.5585680436048E+39
2 √n
9018.3591633955
3 √n
433.26308223427
4 √n
94.965041796419
5 √n
38.19891355467
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
-81330801
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 81330802 can be divided by 8 positive divisors.
The sum of these divisors (counting 81330802) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110110010000001001110010
3
Ternary
12200001000212221
4
Quaternary
10312100021302
5
Quinary
131310041202
6
Senary
12023111254
8
Octal
466201162
10
Decimal
81330802
12
Duodecimal
232a252a
16
Hexadecimal
4d90272
20
Vigesimal
1586702
36
Base36
1cf78y
md5
481c1a5cbdbf1b7500617a299ab2ab88
sha1
aec220a455ab3b6da2ec8dd819f257bc48beb059
sha256
c08b78e5d8be25ba89e9c890a392071e45ef3657b1ad17f12ed2b251ce6e10da
sha512
644142ca96e5857b3ec3098056cafd9b7320785ceeffc62532d45cf7187a9011fc588d3da2d7f12ac7605d6ee8674c38dbb1063ced4861978d97f89424431e39
ripemd-160
fc66f83af34ebd5a921ee656d7db36df78f7b0f8
Diameter
162661604
Circumference
511016500.14753
Area
2.0780690896116E+16
Volume
2.2534803422603E+24
Surface area
8.3122763584464E+16
Circumference
511016500.14753
Perimeter
325323208
Area
6614699353963204
Diagonal
115019123.22708
Surface area
39688196123779224
Volume
5.3797880344671E+23
Space diagonal
140869081.28432
Perimeter
243992406
Area
2.8642488394643E+15
Altitude
70434540.642162
Surface area
2.8642488394643E+15
Volume
6.3401410008632E+22
Height
38339707.74236