1216390971 is an odd 10-digits composite number following 1216390970
and preceding 1216390972 . In scientific notation, it is written as 1.216390971 × 10^9.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 810927312 positive integers (up to 1216390971) that are relatively prime to 1216390971.
1216390971 has 4 divisors, whose sum is 1621854632
The reverse of 1216390971 is 1790936121
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 39
Digital Root 3
Name
one billion two hundred sixteen million three hundred ninety thousand nine hundred seventy-one
Scientific notation
1.216390971 × 10^9
Engineering notation
1.216390971 × 10^9
Prime Factorization
3 × 405463657
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1216390971
Product of the distinct prime numbers
The prime factorization of 1216390971 is 3 × 405463657.
Since it has a total of 2 prime factors.
9 , 10 , 93 , 91 , 661 , 12 , 4084 , 9959 , 64784 , 96789 , 422406 , 586581 , 7499061 , 9377630 , 69716749 , 80575190 , 4373554 , 927202318 , 7609935081 , 6801595821
n×2
2432781942
n×3
3649172913
n×4
4865563884
n×5
6081954855
n÷2
608195485.5
n÷3
405463657
n÷3
304097742.75
n÷5
243278194.2
n2
1479606994330322841
n3
1.7997805885319E+27
n4
2.1892368576712E+36
n5
2.6629679470517E+45
2 √n
34876.79702897
3 √n
1067.4750406148
4 √n
186.7533052692
5 √n
65.616738154869
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
-1216390970
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 1216390971 can be divided by 4 positive divisors.
The sum of these divisors (counting 1216390971) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001000100000001010011100111011
3
Ternary
10010202212001201110
4
Quaternary
1020200022130323
5
Quinary
4442344002341
6
Senary
320411251403
8
Octal
11040123473
10
Decimal
1216390971
12
Duodecimal
29b449b63
16
Hexadecimal
4880a73b
20
Vigesimal
j028h8b
36
Base36
k47ha3
md5
21998aa01788ba637e18d09be017b42e
sha1
0f9ccb3ab0bf75e450e31b338bafe44eac072adc
sha256
72ab93017888bf8b8665023d97ae0f10f97b2fa3be869983e0e5e9b675ec40bb
sha512
8ebf23ffa87c970cb3d8b9e1fa46e8e316437de841833cc5db3fbdaaf38ba22f3bb506c37bb63e2e176d82cc3fc9ecd0b5076c85e7f72b40f4eeaa00a01035d7
ripemd-160
616e3de7a5b785d111014f19684b933ba93549d7
Diameter
2432781942
Circumference
7642809876.7731
Area
4.6483224635882E+18
Volume
7.5389033000069E+27
Surface area
1.8593289854353E+19
Circumference
7642809876.7731
Perimeter
4865563884
Area
1479606994330322841
Diagonal
1720236608.3364
Surface area
8877641965981937046
Volume
1.7997805885319E+27
Space diagonal
2106850963.64
Perimeter
3649172913
Area
6.406886223536E+17
Altitude
1053425481.82
Surface area
6.406886223536E+17
Volume
2.1210617646646E+26
Height
573412202.77879