81799402 is an even 8-digits composite number following 81799401
and preceding 81799403 . In scientific notation, it is written as 8.1799402 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 40899700 positive integers (up to 81799402) that are relatively prime to 81799402.
81799402 has 4 divisors, whose sum is 122699106
The reverse of 81799402 is 20499718
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
eighty-one million seven hundred ninety-nine thousand four hundred two
Scientific notation
8.1799402 × 10^7
Engineering notation
8.1799402 × 10^6
Prime Factorization
2 × 40899701
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
81799402
Product of the distinct prime numbers
The prime factorization of 81799402 is 2 × 40899701.
Since it has a total of 2 prime factors.
6 , 10 , 14 , 65 , 643 , 28 , 4117 , 6483 , 6392 , 15251 , 522052 , 86574 , 6247494 , 2762719 , 5214232 , 52510728 , 594349836 , 750533215 , 2072448142 , 8168146648
n×2
163598804
n×3
245398206
n×4
327197608
n×5
408997010
n÷2
40899701
n÷3
27266467.333333
n÷3
20449850.5
n÷5
16359880.4
n2
6691142167557604
n3
5.473314280032E+23
n4
4.4771383506467E+31
n5
3.6622723975417E+39
2 √n
9044.3021842484
3 √n
434.09359332689
4 √n
95.101536182379
5 √n
38.242830248025
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81799401
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81799402 can be divided by 4 positive divisors.
The sum of these divisors (counting 81799402) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111000000010100011101010
3
Ternary
12200220211200111
4
Quaternary
10320002203222
5
Quinary
131420040102
6
Senary
12041124534
8
Octal
470024352
10
Decimal
81799402
12
Duodecimal
2348974a
16
Hexadecimal
4e028ea
20
Vigesimal
15b4ia2
36
Base36
1cp8tm
md5
9316d921d44366dc07a5daa02d531aa5
sha1
7556ef7fa90249514ec7f6155015703f1f796282
sha256
84b49f366d346aac4256c6f0bf46280c9eb77bfb581d582a9af296a8ff22b77e
sha512
b24c105cd11e879bfe6beb6f3edb4dc2105d993f6af3d927b8067cdf8f331a471b949d2798a008c876df66adf407a2f144701a96eb61a005c6c2ae8410e1f398
ripemd-160
d6219da0a53d470c58867b35a0ff973da3ea40e6
Diameter
163598804
Circumference
513960800.78248
Area
2.1020843077724E+16
Volume
2.2926565243915E+24
Surface area
8.4083372310895E+16
Circumference
513960800.78248
Perimeter
327197608
Area
6691142167557604
Diagonal
115681823.70241
Surface area
40146853005345624
Volume
5.473314280032E+23
Space diagonal
141680720.29275
Perimeter
245398206
Area
2.8973495487191E+15
Altitude
70840360.146376
Surface area
2.8973495487191E+15
Volume
6.4503627382929E+22
Height
38560607.900803