1221567248 is an even 10-digits composite number following 1221567247
and preceding 1221567249 . In scientific notation, it is written as 1.221567248 × 10^9.
The sum of its digits is 38. It has a total of 6 prime factors and 20 positive divisors.
There are 555257760 positive integers (up to 1221567248) that are relatively prime to 1221567248.
1221567248 has 20 divisors, whose sum is 2581949328
The reverse of 1221567248 is 8427651221
Previous prime number is 11
Is Prime? no
Number parity even
Number length 10
Sum of Digits 38
Digital Root 2
Name
one billion two hundred twenty-one million five hundred sixty-seven thousand two hundred forty-eight
Scientific notation
1.221567248 × 10^9
Engineering notation
1.221567248 × 10^9
Prime Factorization
2 × 2 × 2 × 2 × 11 × 6940723
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
152695906
Product of the distinct prime numbers
The prime factorization of 1221567248 is 2 × 2 × 2 × 2 × 11 × 6940723.
Since it has a total of 6 prime factors.
8 , 7 , 68 , 8 , 850 , 510 , 9413 , 8863 , 12131 , 41100 , 139415 , 709304 , 3402858 , 6463458 , 98176254 , 40962079 , 987746346 , 222355601 , 6164105060 , 439490872
n×2
2443134496
n×3
3664701744
n×4
4886268992
n×5
6107836240
n÷2
610783624
n÷3
407189082.66667
n÷3
305391812
n÷5
244313449.6
n2
1492226541386293504
n3
1.8228550695538E+27
n4
2.2267400508177E+36
n5
2.7201127158888E+45
2 √n
34950.926282432
3 √n
1068.9870892996
4 √n
186.95166830609
5 √n
65.672488936945
1 , 2 , 4 , 8 , 11 , 16 , 22 , 44 , 88 , 176 , 6940723 , 13881446 , 27762892 , 55525784 , 76347953 , 111051568 , 152695906 , 305391812 , 610783624 , 1221567248
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1221567247
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1221567248 can be divided by 20 positive divisors.
The sum of these divisors (counting 1221567248) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001000110011111010001100010000
3
Ternary
10011010121001020102
4
Quaternary
1020303322030100
5
Quinary
10000210122443
6
Senary
321114231532
8
Octal
11063721420
10
Decimal
1221567248
12
Duodecimal
2a11255a8
16
Hexadecimal
48cfa310
20
Vigesimal
j1efi28
36
Base36
k7afbk
md5
06b0af46587b3641a254826eaab55f24
sha1
eb885eb04bf4566257dce781ed7c033fcf81cc0c
sha256
a6d141b65267f7a1eb95179ae8a7d5801c6f65d1a938ee183a1f0af15ce5148d
sha512
fead182fac917a7739b90b11e7e03ce494c02c0bdfe2de61602f0ae280a2d0fbd5a00776b0fb6f5c7b95888523af3e71b9cdf1d0f2bb88ea49e1d6747ee20464
ripemd-160
8d98edbfd89033f90cf1301f4bdc63e5e6d2a302
Diameter
2443134496
Circumference
7675333384.3654
Area
4.6879679399109E+18
Volume
7.6355574600922E+27
Surface area
1.8751871759644E+19
Circumference
7675333384.3654
Perimeter
4886268992
Area
1492226541386293504
Diagonal
1727556969.4724
Surface area
8953359248317761024
Volume
1.8228550695538E+27
Space diagonal
2115816538.3981
Perimeter
3664701744
Area
6.4615304652096E+17
Altitude
1057908269.199
Surface area
6.4615304652096E+17
Volume
2.1482553013363E+26
Height
575852323.15746