81472550 is an even 8-digits composite number following 81472549
and preceding 81472551 . In scientific notation, it is written as 8.1472550 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 32589000 positive integers (up to 81472550) that are relatively prime to 81472550.
81472550 has 12 divisors, whose sum is 151539036
The reverse of 81472550 is 05527418
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
eighty-one million four hundred seventy-two thousand five hundred fifty
Scientific notation
8.1472550 × 10^7
Engineering notation
8.1472550 × 10^6
Prime Factorization
2 × 5 × 5 × 1629451
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
16294510
Product of the distinct prime numbers
The prime factorization of 81472550 is 2 × 5 × 5 × 1629451.
Since it has a total of 4 prime factors.
9 , 3 , 42 , 67 , 901 , 64 , 8127 , 5419 , 64513 , 90360 , 80639 , 219660 , 8628478 , 9126433 , 97158994 , 80527546 , 634531209 , 426272911 , 1402976082 , 7980104800
n×2
162945100
n×3
244417650
n×4
325890200
n×5
407362750
n÷2
40736275
n÷3
27157516.666667
n÷3
20368137.5
n÷5
16294510
n2
6637776403502500
n3
5.4079656992318E+23
n4
4.4060075582895E+31
n5
3.5896867109312E+39
2 √n
9026.214599709
3 √n
433.51464142078
4 √n
95.006392414979
5 √n
38.21221933463
1 , 2 , 5 , 10 , 25 , 50 , 1629451 , 3258902 , 8147255 , 16294510 , 40736275 , 81472550
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81472549
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81472550 can be divided by 12 positive divisors.
The sum of these divisors (counting 81472550) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110110110010110000100110
3
Ternary
12200022020022212
4
Quaternary
10312302300212
5
Quinary
131324110200
6
Senary
12030123422
8
Octal
466626046
10
Decimal
81472550
12
Duodecimal
23350572
16
Hexadecimal
4db2c26
20
Vigesimal
159417a
36
Base36
1ci8me
md5
ad91a8a9598448cfe74dc8f4742a59f7
sha1
2d8fa427013f1f681d97f909ff9c662bf8f53252
sha256
1394f08fcab96d00cd280e3309e6cb8a5349041f5b7a5c37c438229e1a919a0e
sha512
492bd11f9efb3610c3cb4a1e1f5bad6dd99d70640f3a8952ebc998ad302c5b62c6b65cf18be4d319d253c5a9961ce8a9c277019a42064e1665b4cf30427d56e4
ripemd-160
c5cfabbbec1adaf3c19ccab739a2baec63f7b6b6
Diameter
162945100
Circumference
511907129.09845
Area
2.0853189585415E+16
Volume
2.2652833748763E+24
Surface area
8.3412758341661E+16
Circumference
511907129.09845
Perimeter
325890200
Area
6637776403502500
Diagonal
115219585.17112
Surface area
39826658421015000
Volume
5.4079656992318E+23
Space diagonal
141114596.0222
Perimeter
244417650
Area
2.874241495037E+15
Altitude
70557298.011098
Surface area
2.874241495037E+15
Volume
6.3733486972517E+22
Height
38406528.390373