1216597989 is an odd 10-digits composite number following 1216597988
and preceding 1216597990 . In scientific notation, it is written as 1.216597989 × 10^9.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 810197856 positive integers (up to 1216597989) that are relatively prime to 1216597989.
1216597989 has 8 divisors, whose sum is 1623865600
The reverse of 1216597989 is 9897956121
Previous prime number is 937
Is Prime? no Number parity odd Number length 10 Sum of Digits 57 Digital Root 3
Name
one billion two hundred sixteen million five hundred ninety-seven thousand nine hundred eighty-nine
Scientific notation
1.216597989 × 10^9
Engineering notation
1.216597989 × 10^9
Prime Factorization
3 × 937 × 432799
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1216597989 Product of the distinct prime numbers
The prime factorization of 1216597989 is 3 × 937 × 432799.
Since it has a total of 3 prime factors.
2 , 9 , 51 , 24 , 628 , 69 , 7161 , 8694 , 89486 , 91094 , 303239 , 930015 , 414233 , 5399492 , 20196664 , 30344981 , 670324423 , 16477235 , 4567915735 , 739168082
n×2
2433195978
n×3
3649793967
n×4
4866391956
n×5
6082989945
n÷2
608298994.5
n÷3
405532663
n÷3
304149497.25
n÷5
243319597.8
n2
1480110666838844121
n3
1.8006996607736E+27
n4
2.1907275860901E+36
n5
2.6652347756841E+45
2 √n34879.76474978
3 √n1067.5355951618
4 √n186.76125066453
5 √n65.618971469911
8 divisors
τ Total Divisors
8 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1216597988 Sum of the proper positive divisors of n
A Arithmetic Mean
0.125 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
8 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1216597989 can be divided by 8 positive divisors.
The sum of these divisors (counting 1216597989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000100000111100111111100101
3
Ternary
10010210020120200210
4
Quaternary
1020200330333211
5
Quinary
4442422113424
6
Senary
320415530033
8
Octal
11040747745
10
Decimal
1216597989
12
Duodecimal
29b529919
16
Hexadecimal
4883cfe5
20
Vigesimal
j03eej9
36
Base36
k4bx0l
md5
c586047336dd5e4501874e76fb17633e
sha1
33ac90c9818bd63d867f63faca598f8779b515a6
sha256
e15f08001eb785101ec9c4c8733b4805df9c25792b4786e54b449f0e3fccba56
sha512
8456f7a01cf3c8c001b1776d1b9ecbf6eaf6a3091770a567cb3491f7b4ce088bc27756829e3d22523e1633d8dd4b0ec258f5815dfb985cf88de0a510fff32b23
ripemd-160
5f3448a074b39a242d36ed2d520eebe0a684e534
Diameter
2433195978
Circumference
7644110609.229
Area
4.6499047974408E+18
Volume
7.5427531008106E+27
Surface area
1.8599619189763E+19
Circumference
7644110609.229
Perimeter
4866391956
Area
1480110666838844121
Diagonal
1720529375.9996
Surface area
8880664001033064726
Volume
1.8006996607736E+27
Space diagonal
2107209529.3341
Perimeter
3649793967
Area
6.4090671894738E+17
Altitude
1053604764.6671
Surface area
6.4090671894738E+17
Volume
2.1221449016889E+26
Height
573509791.99988