81245110 is an even 8-digits composite number following 81245109
and preceding 81245111 . In scientific notation, it is written as 8.1245110 × 10^7.
The sum of its digits is 22. It has a total of 5 prime factors and 32 positive divisors.
There are 31203840 positive integers (up to 81245110) that are relatively prime to 81245110.
81245110 has 32 divisors, whose sum is 152140032
The reverse of 81245110 is 01154218
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 22
Digital Root 4
Name
eighty-one million two hundred forty-five thousand one hundred ten
Scientific notation
8.1245110 × 10^7
Engineering notation
8.1245110 × 10^6
Prime Factorization
2 × 5 × 137 × 31 × 1913
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
81245110
Product of the distinct prime numbers
The prime factorization of 81245110 is 2 × 5 × 137 × 31 × 1913.
Since it has a total of 5 prime factors.
10 , 7 , 81 , 92 , 976 , 756 , 5701 , 3457 , 17366 , 22944 , 898073 , 864103 , 6181554 , 3394833 , 20596398 , 40631962 , 790462222 , 892255060 , 4341339507 , 479329613
n×2
162490220
n×3
243735330
n×4
324980440
n×5
406225550
n÷2
40622555
n÷3
27081703.333333
n÷3
20311277.5
n÷5
16249022
n2
6600767898912100
n3
5.3628011403158E+23
n4
4.3570136855308E+31
n5
3.5398605615246E+39
2 √n
9013.6069361827
3 √n
433.11086345157
4 √n
94.940017569951
5 √n
38.190860709648
1 , 2 , 5 , 10 , 31 , 62 , 137 , 155 , 274 , 310 , 685 , 1370 , 1913 , 3826 , 4247 , 8494 , 9565 , 19130 , 21235 , 42470 , 59303 , 118606 , 262081 , 296515 , 524162 , 593030 , 1310405 , 2620810 , 8124511 , 16249022 , 40622555 , 81245110
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
-81245109
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 81245110 can be divided by 32 positive divisors.
The sum of these divisors (counting 81245110) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100110101111011001110110110
3
Ternary
12122212200100011
4
Quaternary
10311323032312
5
Quinary
131244320420
6
Senary
12021210434
8
Octal
465731666
10
Decimal
81245110
12
Duodecimal
23260a1a
16
Hexadecimal
4d7b3b6
20
Vigesimal
157fcfa
36
Base36
1cdd4m
md5
f4d552cb858eb71e820f795256019c7f
sha1
5419f4e79a8eddaad97d701fb48b3587772b031d
sha256
87d835be80f2cf4b2e44a0adc67c5b9c3fa3e956af7d9bde41be7de076d0b4e3
sha512
5a3f45f73809b2f46b9c308c551618052f22e02cc8d1ad55044da6b9c1a167db65db146e5e2d8b1e91782e211ff0a75d351f9029b96388e4968a9c62954cef7c
ripemd-160
bddc06bfe1892b4924883e54bd7fb12150b4a318
Diameter
162490220
Circumference
510478081.43219
Area
2.0736923939274E+16
Volume
2.2463648886772E+24
Surface area
8.2947695757094E+16
Circumference
510478081.43219
Perimeter
324980440
Area
6600767898912100
Diagonal
114897936.43849
Surface area
39604607393472600
Volume
5.3628011403158E+23
Space diagonal
140720658.38652
Perimeter
243735330
Area
2.8582163424714E+15
Altitude
70360329.193261
Surface area
2.8582163424714E+15
Volume
6.3201217541204E+22
Height
38299312.146165