81703480 is an even 8-digits composite number following 81703479
and preceding 81703481 . In scientific notation, it is written as 8.1703480 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 16 positive divisors.
There are 32681376 positive integers (up to 81703480) that are relatively prime to 81703480.
81703480 has 16 divisors, whose sum is 183832920
The reverse of 81703480 is 08430718
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
eighty-one million seven hundred three thousand four hundred eighty
Scientific notation
8.1703480 × 10^7
Engineering notation
8.1703480 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 2042587
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20425870
Product of the distinct prime numbers
The prime factorization of 81703480 is 2 × 2 × 2 × 5 × 2042587.
Since it has a total of 5 prime factors.
2 , 4 , 12 , 66 , 107 , 374 , 7338 , 999 , 105 , 54832 , 211145 , 412346 , 8638437 , 1243056 , 85882007 , 61477729 , 576989200 , 22603858 , 3232950090 , 567088399
n×2
163406960
n×3
245110440
n×4
326813920
n×5
408517400
n÷2
40851740
n÷3
27234493.333333
n÷3
20425870
n÷5
16340696
n2
6675458644110400
n3
5.454082018199E+23
n4
4.4561748109228E+31
n5
3.6408498954074E+39
2 √n
9038.9977320497
3 √n
433.92384712956
4 √n
95.073643729741
5 √n
38.233856953478
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 2042587 , 4085174 , 8170348 , 10212935 , 16340696 , 20425870 , 40851740 , 81703480
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
-81703479
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 81703480 can be divided by 16 positive divisors.
The sum of these divisors (counting 81703480) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110111101011001000111000
3
Ternary
12200201222002211
4
Quaternary
10313223020320
5
Quinary
131404002410
6
Senary
12035104504
8
Octal
467531070
10
Decimal
81703480
12
Duodecimal
23442134
16
Hexadecimal
4deb238
20
Vigesimal
15acie0
36
Base36
1cn6t4
md5
437435560619af81521fb5ad64e8b4cf
sha1
1f5663bdfab78779431bf7b2f9607f75c401d5ab
sha256
4acf160c45ec38c2e312ae737ff2637cc82a1b52f391c3a66c0ce3e4e50da05e
sha512
5083959b2bfd5c3a1150b39f0b5ffbb9eeab5256f80c0961b1db0e5e613929a5cdb1d27b58b6be218f1702c33ae533ce5c26985246a32e30d7740c5f2724e397
ripemd-160
85f5c8f7d450cc6b233f44175891f26d01c6bc54
Diameter
163406960
Circumference
513358105.08144
Area
2.097157183568E+16
Volume
2.2846005333934E+24
Surface area
8.3886287342719E+16
Circumference
513358105.08144
Perimeter
326813920
Area
6675458644110400
Diagonal
115546169.50908
Surface area
40052751864662400
Volume
5.454082018199E+23
Space diagonal
141514578.51519
Perimeter
245110440
Area
2.890558383856E+15
Altitude
70757289.257594
Surface area
2.890558383856E+15
Volume
6.4276973003602E+22
Height
38515389.83636