1216798081 is an odd 10-digits composite number following 1216798080
and preceding 1216798082 . In scientific notation, it is written as 1.216798081 × 10^9.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 1177546500 positive integers (up to 1216798081) that are relatively prime to 1216798081.
1216798081 has 4 divisors, whose sum is 1256049664
The reverse of 1216798081 is 1808976121
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 43
Digital Root 7
Name
one billion two hundred sixteen million seven hundred ninety-eight thousand eighty-one
Scientific notation
1.216798081 × 10^9
Engineering notation
1.216798081 × 10^9
Prime Factorization
31 × 39251551
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1216798081
Product of the distinct prime numbers
The prime factorization of 1216798081 is 31 × 39251551.
Since it has a total of 2 prime factors.
10 , 5 , 73 , 93 , 343 , 735 , 6817 , 2151 , 78740 , 47647 , 797393 , 572334 , 1318656 , 4353441 , 64791503 , 97272786 , 711443933 , 295249728 , 830352551 , 472505309
n×2
2433596162
n×3
3650394243
n×4
4867192324
n×5
6083990405
n÷2
608399040.5
n÷3
405599360.33333
n÷3
304199520.25
n÷5
243359616.2
n2
1480597569925282561
n3
1.8015882818183E+27
n4
2.1921691640687E+36
n5
2.6674272320661E+45
2 √n
34882.632942483
3 √n
1067.594117266
4 √n
186.76892927487
5 √n
65.621129778188
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1216798080
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1216798081 can be divided by 4 positive divisors.
The sum of these divisors (counting 1216798081) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000100001101101110110000001
3
Ternary
10010210121202011121
4
Quaternary
1020201231312001
5
Quinary
4443000014311
6
Senary
320424112241
8
Octal
11041556601
10
Decimal
1216798081
12
Duodecimal
29b605681
16
Hexadecimal
4886dd81
20
Vigesimal
j04jf41
36
Base36
k4g7ep
md5
ae29717f94370514672fef78c61a3330
sha1
3498f740718eb657f8cdb80be9a132a6983a321d
sha256
7e98b5b775ad5e27b3b1cf494312eb09d248c44d2074360020d5300f9191c5cb
sha512
b1e3c321cb93919ed8058bbd092b2b69bf3ab4cd560fa08c360db138a3ab2f64747b692ee2332e8f2a00f26fdc5dc7863c29dfa895e6468a9bf33c56cf7103c2
ripemd-160
7d4a0c21c2cdfeea6b6cc91e3f005b22a75fb22f
Diameter
2433596162
Circumference
7645367824.3435
Area
4.6514344486002E+18
Volume
7.5464753479386E+27
Surface area
1.8605737794401E+19
Circumference
7645367824.3435
Perimeter
4867192324
Area
1480597569925282561
Diagonal
1720812348.8198
Surface area
8883585419551695366
Volume
1.8015882818183E+27
Space diagonal
2107556098.8443
Perimeter
3650394243
Area
6.411175541684E+17
Altitude
1053778049.4222
Surface area
6.411175541684E+17
Volume
2.1231921516333E+26
Height
573604116.27325