1221972685 is an odd 10-digits composite number following 1221972684
and preceding 1221972686 . In scientific notation, it is written as 1.221972685 × 10^9.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 976180800 positive integers (up to 1221972685) that are relatively prime to 1221972685.
1221972685 has 8 divisors, whose sum is 1468463256
The reverse of 1221972685 is 5862791221
Previous prime number is 701
Is Prime? no Number parity odd Number length 10 Sum of Digits 43 Digital Root 7
Name
one billion two hundred twenty-one million nine hundred seventy-two thousand six hundred eighty-five
Scientific notation
1.221972685 × 10^9
Engineering notation
1.221972685 × 10^9
Prime Factorization
5 × 701 × 348637
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1221972685 Product of the distinct prime numbers
The prime factorization of 1221972685 is 5 × 701 × 348637.
Since it has a total of 3 prime factors.
3 , 9 , 26 , 39 , 7 , 155 , 3416 , 2748 , 68432 , 53164 , 504850 , 826330 , 6240098 , 7633056 , 18091896 , 67315146 , 442370083 , 963971744 , 3046688167 , 4207289250
n×2
2443945370
n×3
3665918055
n×4
4887890740
n×5
6109863425
n÷2
610986342.5
n÷3
407324228.33333
n÷3
305493171.25
n÷5
244394537
n2
1493217242886109225
n3
1.8246706835778E+27
n4
2.2296977344524E+36
n5
2.7246297273072E+45
2 √n34956.725890735
3 √n1069.1053414818
4 √n186.96717864571
5 √n65.676847685558
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
-1221972684 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 1221972685 can be divided by 8 positive divisors.
The sum of these divisors (counting 1221972685) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001000110101011101001011001101
3
Ternary
10011011100122101121
4
Quaternary
1020311131023031
5
Quinary
10000311111220
6
Senary
321131040541
8
Octal
11065351315
10
Decimal
1221972685
12
Duodecimal
2a12a0151
16
Hexadecimal
48d5d2cd
20
Vigesimal
j1h6be5
36
Base36
k7j45p
md5
7da19ee53c814b4869e8e95a851cd78f
sha1
e066d990180ddf4215ab82d9a1551d2d2ee8b5cc
sha256
a8d7e9333e76fbfa7c5c393535c498ae8bb997fe9ee4f15baa7e2d06e6ae5acb
sha512
4bf651cb3e8d85e6bdb569923c5bb9a21ab6a43267584babc40a2a243d288c284ab97b956ad049c5459a67e35f1c776973d8b002a7a869470b06bf21ce4cbe4f
ripemd-160
95888f48e246d4e0832b38688ae4afe754a81d43
Diameter
2443945370
Circumference
7677880820.1668
Area
4.6910803204646E+18
Volume
7.6431626863317E+27
Surface area
1.8764321281858E+19
Circumference
7677880820.1668
Perimeter
4887890740
Area
1493217242886109225
Diagonal
1728130343.9765
Surface area
8959303457316655350
Volume
1.8246706835778E+27
Space diagonal
2116518775.8814
Perimeter
3665918055
Area
6.4658203285416E+17
Altitude
1058259387.9407
Surface area
6.4658203285416E+17
Volume
2.1503950229836E+26
Height
576043447.99216