81696148 is an even 8-digits composite number following 81696147
and preceding 81696149 . In scientific notation, it is written as 8.1696148 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 39744000 positive integers (up to 81696148) that are relatively prime to 81696148.
81696148 has 12 divisors, whose sum is 146832532
The reverse of 81696148 is 84169618
Previous prime number is 37
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
eighty-one million six hundred ninety-six thousand one hundred forty-eight
Scientific notation
8.1696148 × 10^7
Engineering notation
8.1696148 × 10^6
Prime Factorization
2 × 2 × 37 × 552001
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
40848074
Product of the distinct prime numbers
The prime factorization of 81696148 is 2 × 2 × 37 × 552001.
Since it has a total of 4 prime factors.
10 , 6 , 46 , 32 , 356 , 320 , 1352 , 8336 , 84288 , 9803 , 426261 , 899152 , 503933 , 7583160 , 9031173 , 21323247 , 712379289 , 529404532 , 3254392623 , 3599132787
n×2
163392296
n×3
245088444
n×4
326784592
n×5
408480740
n÷2
40848074
n÷3
27232049.333333
n÷3
20424037
n÷5
16339229.6
n2
6674260598037904
n3
5.4526138160787E+23
n4
4.4545754530521E+31
n5
3.6392165548971E+39
2 √n
9038.5921470105
3 √n
433.91086675703
4 √n
95.071510701211
5 √n
38.233170714159
1 , 2 , 4 , 37 , 74 , 148 , 552001 , 1104002 , 2208004 , 20424037 , 40848074 , 81696148
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
-81696147
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 81696148 can be divided by 12 positive divisors.
The sum of these divisors (counting 81696148) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100110111101001010110010100
3
Ternary
12200201121001021
4
Quaternary
10313221112110
5
Quinary
131403234043
6
Senary
12035010524
8
Octal
467512624
10
Decimal
81696148
12
Duodecimal
23439a44
16
Hexadecimal
4de9594
20
Vigesimal
15ac078
36
Base36
1cn15g
md5
c0b8fb3d6810fa16992cd595a0234a73
sha1
386d13a8a76702aac24641651b1950c11aec607a
sha256
ef89df12d7447084948f1a90592ad2d2109319fa413d262409a699566ea02c90
sha512
697b55ae934f4f055387f790b98d039c36f91d57b5ec82ca742871a5ff236316d5f1a609c22aba6ac6d9610da9b7cb22ce02c5419c6b1170cc063138a5f2ab91
ripemd-160
8321fbeee5550ccfbfe9f3f9f67690bfe9af5e04
Diameter
163392296
Circumference
513312036.76677
Area
2.096780806294E+16
Volume
2.2839855343274E+24
Surface area
8.3871232251759E+16
Circumference
513312036.76677
Perimeter
326784592
Area
6674260598037904
Diagonal
115535800.49524
Surface area
40045563588227424
Volume
5.4526138160787E+23
Space diagonal
141501879.11867
Perimeter
245088444
Area
2.8900396146892E+15
Altitude
70750939.559333
Surface area
2.8900396146892E+15
Volume
6.4259670075679E+22
Height
38511933.498413