81214882 is an even 8-digits composite number following 81214881
and preceding 81214883 . In scientific notation, it is written as 8.1214882 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 32431104 positive integers (up to 81214882) that are relatively prime to 81214882.
81214882 has 32 divisors, whose sum is 148891392
The reverse of 81214882 is 28841218
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million two hundred fourteen thousand eight hundred eighty-two
Scientific notation
8.1214882 × 10^7
Engineering notation
8.1214882 × 10^6
Prime Factorization
2 × 7 × 17 × 103 × 3313
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81214882
Product of the distinct prime numbers
The prime factorization of 81214882 is 2 × 7 × 17 × 103 × 3313.
Since it has a total of 5 prime factors.
2 , 8 , 22 , 13 , 999 , 968 , 9227 , 1860 , 503 , 90615 , 482391 , 427416 , 5907632 , 3412773 , 92687093 , 13234210 , 953776715 , 627082346 , 4182976918 , 2194284715
n×2
162429764
n×3
243644646
n×4
324859528
n×5
406074410
n÷2
40607441
n÷3
27071627.333333
n÷3
20303720.5
n÷5
16242976.4
n2
6595857058273924
n3
5.3568175267658E+23
n4
4.3505330333182E+31
n5
3.5332802693804E+39
2 √n
9011.9299819739
3 √n
433.05714247811
4 √n
94.931185508103
5 √n
38.188018433521
1 , 2 , 7 , 14 , 17 , 34 , 103 , 119 , 206 , 238 , 721 , 1442 , 1751 , 3313 , 3502 , 6626 , 12257 , 23191 , 24514 , 46382 , 56321 , 112642 , 341239 , 394247 , 682478 , 788494 , 2388673 , 4777346 , 5801063 , 11602126 , 40607441 , 81214882
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
-81214881
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 81214882 can be divided by 32 positive divisors.
The sum of these divisors (counting 81214882) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110101110011110110100010
3
Ternary
12122211010212121
4
Quaternary
10311303312202
5
Quinary
131242334012
6
Senary
12020414454
8
Octal
465636642
10
Decimal
81214882
12
Duodecimal
2324742a
16
Hexadecimal
4d73da2
20
Vigesimal
157bh42
36
Base36
1ccpsy
md5
4cddd1d421bfd0020479f086ebe8d65e
sha1
a5190f62445302987890d698d71542aa706091ab
sha256
c5475fd58dff027608a42ef154114d8f71b5265c2f67944f5de008abda15f1c3
sha512
c423c870700192ddd066c66e56cc0cc5fe583425277d6a8921919357ce857853b5a88fa9b7f5c87720c46721a24f5302244699ad4f8334d459496332a57f4c50
ripemd-160
176291453405c11c56a771ea06f37413e52d4bd0
Diameter
162429764
Circumference
510288153.30672
Area
2.0721496078402E+16
Volume
2.2438584784945E+24
Surface area
8.2885984313607E+16
Circumference
510288153.30672
Perimeter
324859528
Area
6595857058273924
Diagonal
114855187.59093
Surface area
39575142349643544
Volume
5.3568175267658E+23
Space diagonal
140668301.95471
Perimeter
243644646
Area
2.8560898860981E+15
Altitude
70334150.977356
Surface area
2.8560898860981E+15
Volume
6.3130699979251E+22
Height
38285062.53031