81750382 is an even 8-digits composite number following 81750381
and preceding 81750383 . In scientific notation, it is written as 8.1750382 × 10^7.
The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors.
There are 32974848 positive integers (up to 81750382) that are relatively prime to 81750382.
81750382 has 16 divisors, whose sum is 148387680
The reverse of 81750382 is 28305718
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
eighty-one million seven hundred fifty thousand three hundred eighty-two
Scientific notation
8.1750382 × 10^7
Engineering notation
8.1750382 × 10^6
Prime Factorization
2 × 7 × 17 × 343489
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
81750382
Product of the distinct prime numbers
The prime factorization of 81750382 is 2 × 7 × 17 × 343489.
Since it has a total of 4 prime factors.
1 , 8 , 32 , 93 , 60 , 380 , 7189 , 7795 , 31204 , 1325 , 896140 , 619078 , 6786664 , 9755397 , 20088824 , 78016461 , 46112147 , 261792562 , 2676347251 , 2481853415
n×2
163500764
n×3
245251146
n×4
327001528
n×5
408751910
n÷2
40875191
n÷3
27250127.333333
n÷3
20437595.5
n÷5
16350076.4
n2
6683124957145924
n3
5.4634801820041E+23
n4
4.4664159192827E+31
n5
3.6513120757224E+39
2 √n
9041.5917846362
3 √n
434.00686278232
4 √n
95.087285083949
5 √n
38.238245585969
1 , 2 , 7 , 14 , 17 , 34 , 119 , 238 , 343489 , 686978 , 2404423 , 4808846 , 5839313 , 11678626 , 40875191 , 81750382
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
-81750381
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 81750382 can be divided by 16 positive divisors.
The sum of these divisors (counting 81750382) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111110110100101101110
3
Ternary
12200211100102221
4
Quaternary
10313312211232
5
Quinary
131412003012
6
Senary
12040105554
8
Octal
467664556
10
Decimal
81750382
12
Duodecimal
234652ba
16
Hexadecimal
4df696e
20
Vigesimal
15aifj2
36
Base36
1co6zy
md5
70a20aa8a319f1cf9eea701eede26858
sha1
5626f1f022d92bced549d167054470214b4dff62
sha256
9859ff58d6eeca8b8a2bcf3bb8c3ee0d7704b07eb368c6ce02bb5b2bc58adc16
sha512
646ecd080ca971299a7271134724711f40b9c31413742a6f5d1e62f3468e2c14e803f80ab7133adee0fa327e575c7a67a61cc4c6d3720e2826a693c412ec8900
ripemd-160
eed1d6a1eed17cd3d4475f0d9be4f83ffa19805e
Diameter
163500764
Circumference
513652799.03872
Area
2.0995656268392E+16
Volume
2.2885372270423E+24
Surface area
8.3982625073569E+16
Circumference
513652799.03872
Perimeter
327001528
Area
6683124957145924
Diagonal
115612498.95358
Surface area
40098749742875544
Volume
5.4634801820041E+23
Space diagonal
141595815.16216
Perimeter
245251146
Area
2.8938779947771E+15
Altitude
70797907.581082
Surface area
2.8938779947771E+15
Volume
6.4387731426224E+22
Height
38537499.651194