81121353 is an odd 8-digits composite number following 81121352
and preceding 81121354 . In scientific notation, it is written as 8.1121353 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 52619184 positive integers (up to 81121353) that are relatively prime to 81121353.
81121353 has 8 divisors, whose sum is 111085248
The reverse of 81121353 is 35312118
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
eighty-one million one hundred twenty-one thousand three hundred fifty-three
Scientific notation
8.1121353 × 10^7
Engineering notation
8.1121353 × 10^6
Prime Factorization
3 × 37 × 730823
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81121353
Product of the distinct prime numbers
The prime factorization of 81121353 is 3 × 37 × 730823.
Since it has a total of 3 prime factors.
1 , 3 , 24 , 74 , 852 , 94 , 7651 , 9501 , 6837 , 741 , 282752 , 796636 , 6052915 , 1449912 , 90555414 , 2885139 , 914010637 , 82999480 , 559021029 , 4629945445
n×2
162242706
n×3
243364059
n×4
324485412
n×5
405606765
n÷2
40560676.5
n÷3
27040451
n÷3
20280338.25
n÷5
16224270.6
n2
6580673912550609
n3
5.3383317143791E+23
n4
4.3305269143324E+31
n5
3.5129820249356E+39
2 √n
9006.7393100944
3 √n
432.89083896877
4 √n
94.903842441149
5 √n
38.179218731983
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
-81121352
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 81121353 can be divided by 8 positive divisors.
The sum of these divisors (counting 81121353) is 1, the average is 0.125.
Base
System
Value
2
Binary
100110101011101000001001001
3
Ternary
12122122101120120
4
Quaternary
10311131001021
5
Quinary
131231340403
6
Senary
12014413453
8
Octal
465350111
10
Decimal
81121353
12
Duodecimal
23201289
16
Hexadecimal
4d5d049
20
Vigesimal
157037d
36
Base36
1capmx
md5
445f1a3068bfa9fa44138154c54e2fc8
sha1
b8790c818d7dd07affe8b52675200ecdc6dc5888
sha256
75cc2e53be84decc4a6e8fb7cb88bc49d9b086440dea0b8b88f7c03ec34a0edd
sha512
073697e1151194b70a37d8d665f630cd4c5ef952495b37822273f075a837f382279b695e5c6eba37e36c9ea6428c8519ca6f83b02fc15b7c6b54286bd1d1eebb
ripemd-160
e72c765a3b0d80a3aca07a94c10a4e601f94d6f5
Diameter
162242706
Circumference
509700493.26813
Area
2.0673796819339E+16
Volume
2.2361151595092E+24
Surface area
8.2695187277356E+16
Circumference
509700493.26813
Perimeter
324485412
Area
6580673912550609
Diagonal
114722917.61066
Surface area
39484043475303654
Volume
5.3383317143791E+23
Space diagonal
140506304.97473
Perimeter
243364059
Area
2.8495153911452E+15
Altitude
70253152.487365
Surface area
2.8495153911452E+15
Volume
6.2912842591011E+22
Height
38240972.536885