81884512 is an even 8-digits composite number following 81884511
and preceding 81884513 . In scientific notation, it is written as 8.1884512 × 10^7.
The sum of its digits is 37. It has a total of 7 prime factors and 24 positive divisors.
There are 38533632 positive integers (up to 81884512) that are relatively prime to 81884512.
81884512 has 24 divisors, whose sum is 170694216
The reverse of 81884512 is 21548818
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
eighty-one million eight hundred eighty-four thousand five hundred twelve
Scientific notation
8.1884512 × 10^7
Engineering notation
8.1884512 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 17 × 150523
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
7
Total number of prime factors
rad
Radical
5117782
Product of the distinct prime numbers
The prime factorization of 81884512 is 2 × 2 × 2 × 2 × 2 × 17 × 150523.
Since it has a total of 7 prime factors.
3 , 4 , 68 , 52 , 994 , 352 , 406 , 1228 , 54432 , 71617 , 211160 , 690302 , 2244604 , 7502491 , 58781652 , 33252960 , 579615490 , 642181902 , 2672462190 , 6925012572
n×2
163769024
n×3
245653536
n×4
327538048
n×5
409422560
n÷2
40942256
n÷3
27294837.333333
n÷3
20471128
n÷5
16376902.4
n2
6705073305478144
n3
5.490416555433E+23
n4
4.4958008031836E+31
n5
3.6813645481789E+39
2 √n
9049.0061332723
3 √n
434.24409523997
4 √n
95.126264161231
5 √n
38.250785058004
1 , 2 , 4 , 8 , 16 , 17 , 32 , 34 , 68 , 136 , 272 , 544 , 150523 , 301046 , 602092 , 1204184 , 2408368 , 2558891 , 4816736 , 5117782 , 10235564 , 20471128 , 40942256 , 81884512
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81884511
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81884512 can be divided by 24 positive divisors.
The sum of these divisors (counting 81884512) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100111000010111010101100000
3
Ternary
12201002011102201
4
Quaternary
10320113111200
5
Quinary
131430301022
6
Senary
12043022544
8
Octal
470272540
10
Decimal
81884512
12
Duodecimal
2350aa54
16
Hexadecimal
4e17560
20
Vigesimal
15bfb5c
36
Base36
1cr2hs
md5
e7a29edd496e1f981bc1220008c44399
sha1
d417f13046a075e6246d258858c7b9e65bb13f4b
sha256
68176a0215a636a538fefd865e32491185efc7e1a0762040feeed12de53f7626
sha512
83c0475dac2f40a8ffddbaa9e4b112a271faaa6c60b5146af188d691b21c41cdfae7df9a58208b7b78af3fe9b62d5abf811a3fa3b9a685d548476d1faaffe58c
ripemd-160
f92ad9f3e4158864b627c98123064f475360fbd5
Diameter
163769024
Circumference
514495562.68397
Area
2.1064609038271E+16
Volume
2.2998203087595E+24
Surface area
8.4258436153085E+16
Circumference
514495562.68397
Perimeter
327538048
Area
6705073305478144
Diagonal
115802187.4187
Surface area
40230439832868864
Volume
5.490416555433E+23
Space diagonal
141828135.13698
Perimeter
245653536
Area
2.9033819083905E+15
Altitude
70914067.568492
Surface area
2.9033819083905E+15
Volume
6.4705179631427E+22
Height
38600729.139567