1255389989 is an odd 10-digits composite number following 1255389988
and preceding 1255389990 . In scientific notation, it is written as 1.255389989 × 10^9.
The sum of its digits is 59. It has a total of 3 prime factors and 8 positive divisors.
There are 1072795680 positive integers (up to 1255389989) that are relatively prime to 1255389989.
1255389989 has 8 divisors, whose sum is 1439068608
The reverse of 1255389989 is 9899835521
Previous prime number is 331
Is Prime? no Number parity odd Number length 10 Sum of Digits 59 Digital Root 5
Name
one billion two hundred fifty-five million three hundred eighty-nine thousand nine hundred eighty-nine
Scientific notation
1.255389989 × 10^9
Engineering notation
1.255389989 × 10^9
Prime Factorization
7 × 331 × 541817
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1255389989 Product of the distinct prime numbers
The prime factorization of 1255389989 is 7 × 331 × 541817.
Since it has a total of 3 prime factors.
7 , 3 , 81 , 75 , 201 , 235 , 9438 , 607 , 66750 , 78487 , 915577 , 129817 , 2737409 , 8450884 , 64299637 , 97827529 , 9099510 , 794783424 , 5397422786 , 2137254328
n×2
2510779978
n×3
3766169967
n×4
5021559956
n×5
6276949945
n÷2
627694994.5
n÷3
418463329.66667
n÷3
313847497.25
n÷5
251077997.8
n2
1576004024481420121
n3
1.9784996749577E+27
n4
2.4837886851816E+36
n5
3.1181234501685E+45
2 √n35431.483020049
3 √n1078.7634421258
4 √n188.23252381044
5 √n66.032194720916
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
-1255389988 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 1255389989 can be divided by 8 positive divisors.
The sum of these divisors (counting 1255389989) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110100111011101100100101
3
Ternary
10020111020102022112
4
Quaternary
1022310323230211
5
Quinary
10032334434424
6
Senary
324323210405
8
Octal
11264735445
10
Decimal
1255389989
12
Duodecimal
2b0516a05
16
Hexadecimal
4ad3bb25
20
Vigesimal
jc63ej9
36
Base36
krfd45
md5
e80f28d80aa646673c94fe7caac81bb0
sha1
87d324d3d2557599ff9a873aef5af89239e2b3b4
sha256
4057c8ef567e8887ce9d313fcdf7c70934064bd3140951a32840c8613ca9f151
sha512
375dd878e4eb4355dc6d95cc4a9c48e288bc6545ff6f0a3414deb3a228d78762a7f4e7957012c8bb0f51122765869ddda27a9e9220b3ae24a4fb7d12e7619760
ripemd-160
2b2c0f1d3b63e96cfbe5fdabc2b30212781bf8bb
Diameter
2510779978
Circumference
7887847933.6651
Area
4.9511626653388E+18
Volume
8.2875200586358E+27
Surface area
1.9804650661355E+19
Circumference
7887847933.6651
Perimeter
5021559956
Area
1576004024481420121
Diagonal
1775389548.5112
Surface area
9.4560241468885E+18
Volume
1.9784996749577E+27
Space diagonal
2174399244.2613
Perimeter
3766169967
Area
6.8242976083371E+17
Altitude
1087199622.1307
Surface area
6.8242976083371E+17
Volume
2.3316842278966E+26
Height
591796516.1704