1245121881 is an odd 10-digits composite number following 1245121880
and preceding 1245121882 . In scientific notation, it is written as 1.245121881 × 10^9.
The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors.
There are 830081252 positive integers (up to 1245121881) that are relatively prime to 1245121881.
1245121881 has 4 divisors, whose sum is 1660162512
The reverse of 1245121881 is 1881215421
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 33
Digital Root 6
Name
one billion two hundred forty-five million one hundred twenty-one thousand eight hundred eighty-one
Scientific notation
1.245121881 × 10^9
Engineering notation
1.245121881 × 10^9
Prime Factorization
3 × 415040627
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1245121881
Product of the distinct prime numbers
The prime factorization of 1245121881 is 3 × 415040627.
Since it has a total of 2 prime factors.
10 , 3 , 24 , 38 , 496 , 607 , 9824 , 7258 , 79366 , 14260 , 608159 , 583303 , 2192607 , 8124826 , 33901046 , 36272226 , 220813855 , 140523267 , 8825979395 , 2503250335
n×2
2490243762
n×3
3735365643
n×4
4980487524
n×5
6225609405
n÷2
622560940.5
n÷3
415040627
n÷3
311280470.25
n÷5
249024376.2
n2
1550328498544978161
n3
1.9303479362762E+27
n4
2.4035184534007E+36
n5
2.9926734177165E+45
2 √n
35286.284601811
3 √n
1075.81423972
4 √n
187.84643888509
5 √n
65.923821235416
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
-1245121880
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 1245121881 can be divided by 4 positive divisors.
The sum of these divisors (counting 1245121881) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010001101110000110101011001
3
Ternary
10012202220202010020
4
Quaternary
1022031300311121
5
Quinary
10022222400011
6
Senary
323315141053
8
Octal
11215606531
10
Decimal
1245121881
12
Duodecimal
2a8ba4789
16
Hexadecimal
4a370d59
20
Vigesimal
j9204e1
36
Base36
klba6x
md5
8ea77a4bc3bc916c53ff1f3803070c16
sha1
dbb3386e284250031202825a30791329bf694ff4
sha256
df2f6346162232620d79f25f125c948021ade7938650e644bf2c5c388b03b0eb
sha512
28752a4777a347d4e9b805077e0a1fdcd342542df86223ee7293060b8f2a32d496f32e738667deabe691b1f662fe792f8b276121dc86b93d1aed82a85e8628f8
ripemd-160
3468ef2193eacb0dc9760a69f9de03d42c767352
Diameter
2490243762
Circumference
7823331508.347
Area
4.8705006216798E+18
Volume
8.0858225273035E+27
Surface area
1.9482002486719E+19
Circumference
7823331508.347
Perimeter
4980487524
Area
1550328498544978161
Diagonal
1760868250.9177
Surface area
9.3019709912699E+18
Volume
1.9303479362762E+27
Space diagonal
2156614359.5077
Perimeter
3735365643
Area
6.7131193197547E+17
Altitude
1078307179.7539
Surface area
6.7131193197547E+17
Volume
2.2749368596506E+26
Height
586956083.63923