81016670 is an even 8-digits composite number following 81016669
and preceding 81016671 . In scientific notation, it is written as 8.1016670 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 27777120 positive integers (up to 81016670) that are relatively prime to 81016670.
81016670 has 16 divisors, whose sum is 166663008
The reverse of 81016670 is 07661018
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty-one million sixteen thousand six hundred seventy
Scientific notation
8.1016670 × 10^7
Engineering notation
8.1016670 × 10^6
Prime Factorization
2 × 5 × 7 × 1157381
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81016670
Product of the distinct prime numbers
The prime factorization of 81016670 is 2 × 5 × 7 × 1157381.
Since it has a total of 4 prime factors.
9 , 4 , 59 , 99 , 991 , 328 , 3645 , 7497 , 77469 , 19327 , 409343 , 618547 , 2668015 , 8230588 , 57619753 , 91103329 , 876317658 , 121905237 , 2524809430 , 9863209918
n×2
162033340
n×3
243050010
n×4
324066680
n×5
405083350
n÷2
40508335
n÷3
27005556.666667
n÷3
20254167.5
n÷5
16203334
n2
6563700817888900
n3
5.3176918314164E+23
n4
4.3082168426755E+31
n5
3.4903738223149E+39
2 √n
9000.926063467
3 √n
432.70455090852
4 √n
94.873210462527
5 √n
38.169359971919
1 , 2 , 5 , 7 , 10 , 14 , 35 , 70 , 1157381 , 2314762 , 5786905 , 8101667 , 11573810 , 16203334 , 40508335 , 81016670
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-81016669
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 81016670 can be divided by 16 positive divisors.
The sum of these divisors (counting 81016670) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110101000011011101011110
3
Ternary
12122110001222102
4
Quaternary
10311003131132
5
Quinary
131220013140
6
Senary
12012245102
8
Octal
465033536
10
Decimal
81016670
12
Duodecimal
23170792
16
Hexadecimal
4d4375e
20
Vigesimal
15671da
36
Base36
1c8gv2
md5
fce79b4ad898aadb3dbf4f27d6b0362b
sha1
2981c3e60955bf57de1ee08d61839371e44fff58
sha256
0fdfd9aab935963998e6e4e6e9ac69d9e624e07bdefbea12814db65a1bf6afec
sha512
35ab1ec869a919561c4993a28e978eca946adf9694ac68033f78196195da80126d496a8362ce9fd5b911d2f5a2813e22ff7de341fdcf00d8a5731b8ec10c6e19
ripemd-160
d4b8382645384c00365c5bb8ef28e7ac4a01a82a
Diameter
162033340
Circumference
509042750.58062
Area
2.0620474269841E+16
Volume
2.2274695455509E+24
Surface area
8.2481897079364E+16
Circumference
509042750.58062
Perimeter
324066680
Area
6563700817888900
Diagonal
114574873.49231
Surface area
39382204907333400
Volume
5.3176918314164E+23
Space diagonal
140324988.70004
Perimeter
243050010
Area
2.8421658255662E+15
Altitude
70162494.350021
Surface area
2.8421658255662E+15
Volume
6.266959923758E+22
Height
38191624.497435