1221567257 is an odd 10-digits prime number following 1221567256
and preceding 1221567258 . In scientific notation, it is written as 1.221567257 × 10^9.
The sum of its digits is 38. It has a total of 1 prime factors and 2 positive divisors.
There are 1221567256 positive integers (up to 1221567257) that are relatively prime to 1221567257.
1221567257 has 2 divisors, whose sum is 1221567258
The reverse of 1221567257 is 7527651221
Previous prime number is 1
Is Prime? yes
Number parity odd
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 fifty-seven
Scientific notation
1.221567257 × 10^9
Engineering notation
1.221567257 × 10^9
Prime Factorization
1221567257
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1221567257
Product of the distinct prime numbers
The prime factorization of 1221567257 is 1221567257.
Since it has a total of 1 prime factors.
3 , 3 , 14 , 32 , 635 , 151 , 6147 , 1254 , 27282 , 97434 , 60409 , 452104 , 6871381 , 4028153 , 55093432 , 79220291 , 297679898 , 17156252 , 2619319844 , 4415510347
n×2
2443134514
n×3
3664701771
n×4
4886269028
n×5
6107836285
n÷2
610783628.5
n÷3
407189085.66667
n÷3
305391814.25
n÷5
244313451.4
n2
1492226563374504049
n3
1.8228551098439E+27
n4
2.2267401164405E+36
n5
2.7201128160921E+45
2 √n
34950.926411184
3 √n
1068.9870919249
4 √n
186.95166865044
5 √n
65.672489033715
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1221567258
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
610783629
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
34950.92642549
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999983628
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1221567257 can be divided by 2 positive divisors.
The sum of these divisors (counting 1221567257) is 1221567258, the average is 610783629.
Base
System
Value
2
Binary
1001000110011111010001100011001
3
Ternary
10011010121001020202
4
Quaternary
1020303322030121
5
Quinary
10000210123012
6
Senary
321114231545
8
Octal
11063721431
10
Decimal
1221567257
12
Duodecimal
2a11255b5
16
Hexadecimal
48cfa319
20
Vigesimal
j1efi2h
36
Base36
k7afbt
md5
d947f8784bea5c1ef097142213dde373
sha1
0cb0203b21cb12bc3536d975dab57fd491833dbf
sha256
fad9a2eeb5627b05a30f2860af4f82aded3477d821b1e28fca63056fa8a6b893
sha512
5b0399711544f54203a8239a76c001c6eb27a5aadb24bf4c21e135e1e6a279cf1817a8a3a335321028f3a6079170dfcc8d21abb119daed35cb91d461a0d1adc5
ripemd-160
25035a08c13506f902c01dd2bc7e3a0e12446c1b
Diameter
2443134514
Circumference
7675333440.9141
Area
4.6879680089889E+18
Volume
7.6355576288591E+27
Surface area
1.8751872035956E+19
Circumference
7675333440.9141
Perimeter
4886269028
Area
1492226563374504049
Diagonal
1727556982.2003
Surface area
8953359380247024294
Volume
1.8228551098439E+27
Space diagonal
2115816553.9865
Perimeter
3664701771
Area
6.4615305604213E+17
Altitude
1057908276.9933
Surface area
6.4615305604213E+17
Volume
2.1482553488187E+26
Height
575852327.4001