81998714 is an even 8-digits composite number following 81998713
and preceding 81998715 . In scientific notation, it is written as 8.1998714 × 10^7.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 35103024 positive integers (up to 81998714) that are relatively prime to 81998714.
81998714 has 16 divisors, whose sum is 140726400
The reverse of 81998714 is 41789918
Previous prime number is 1069
Is Prime? no Number parity even Number length 8 Sum of Digits 47 Digital Root 2
Name
eighty-one million nine hundred ninety-eight thousand seven hundred fourteen
Scientific notation
8.1998714 × 10^7
Engineering notation
8.1998714 × 10^6
Prime Factorization
2 × 7 × 1069 × 5479
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
81998714 Product of the distinct prime numbers
The prime factorization of 81998714 is 2 × 7 × 1069 × 5479.
Since it has a total of 4 prime factors.
4 , 6 , 85 , 78 , 931 , 844 , 6386 , 8293 , 30080 , 26685 , 125579 , 526200 , 3665596 , 3312805 , 86621935 , 86640820 , 278174225 , 197200588 , 3816549882 , 4686858461
n×2
163997428
n×3
245996142
n×4
327994856
n×5
409993570
n÷2
40999357
n÷3
27332904.666667
n÷3
20499678.5
n÷5
16399742.8
n2
6723789097653796
n3
5.5134205921483E+23
n4
4.5209339829728E+31
n5
3.7071077268267E+39
2 √n9055.3141303877
3 √n434.44587742548
4 √n95.159414302463
5 √n38.26144856723
1 , 2 , 7 , 14 , 1069 , 2138 , 5479 , 7483 , 10958 , 14966 , 38353 , 76706 , 5857051 , 11714102 , 40999357 , 81998714
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
-81998713 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 81998714 can be divided by 16 positive divisors.
The sum of these divisors (counting 81998714) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100111000110011001101111010
3
Ternary
12201021222002102
4
Quaternary
10320303031322
5
Quinary
131442424324
6
Senary
12045303402
8
Octal
470631572
10
Decimal
81998714
12
Duodecimal
23564b62
16
Hexadecimal
4e3337a
20
Vigesimal
15c9gfe
36
Base36
1ctim2
md5
f0434ff3f57b02299e438c2adf3ade99
sha1
8813810a3c5fe4e5b28133867c9d91f0640d336b
sha256
f6699f91214bb22e822ca8640968dbab57e20e038121730ea6e95ad30cf4bb9a
sha512
0de49aa767b717efd1c163bd85471b5c15ee1b9047f6798a7e2a7aed81cb4b4a0d734321b3edc33c6589b7c22915d2b20ba65b7bd338397e35c5a4a1827d5ccc
ripemd-160
59e39d613066609bb3bbd0cb28d4e787b75e6d7e
Diameter
163997428
Circumference
515213115.01242
Area
2.1123406433476E+16
Volume
2.3094562171258E+24
Surface area
8.4493625733905E+16
Circumference
515213115.01242
Perimeter
327994856
Area
6723789097653796
Diagonal
115963693.43595
Surface area
40342734585922776
Volume
5.5134205921483E+23
Space diagonal
142025938.80331
Perimeter
245996142
Area
2.9114860841285E+15
Altitude
71012969.401655
Surface area
2.9114860841285E+15
Volume
6.4976284804027E+22
Height
38654564.478651