1255087145 is an odd 10-digits composite number following 1255087144
and preceding 1255087146 . In scientific notation, it is written as 1.255087145 × 10^9.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 926833536 positive integers (up to 1255087145) that are relatively prime to 1255087145.
1255087145 has 8 divisors, whose sum is 1621958856
The reverse of 1255087145 is 5417805521
Previous prime number is 5
Is Prime? no Number parity odd Number length 10 Sum of Digits 38 Digital Root 2
Name
one billion two hundred fifty-five million eighty-seven thousand one hundred forty-five
Scientific notation
1.255087145 × 10^9
Engineering notation
1.255087145 × 10^9
Prime Factorization
13 × 5 × 19309033
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
3 Total number of prime factors
rad Radical
1255087145 Product of the distinct prime numbers
The prime factorization of 1255087145 is 13 × 5 × 19309033.
Since it has a total of 3 prime factors.
1 , 9 , 94 , 40 , 98 , 443 , 8354 , 9401 , 86225 , 40327 , 324610 , 171353 , 2352104 , 9951044 , 55854688 , 66210990 , 887274974 , 918139913 , 4900300143 , 7083415498
n×2
2510174290
n×3
3765261435
n×4
5020348580
n×5
6275435725
n÷2
627543572.5
n÷3
418362381.66667
n÷3
313771786.25
n÷5
251017429
n2
1575243741544251025
n3
1.9770681702539E+27
n4
2.4813928452743E+36
n5
3.1143642617988E+45
2 √n35427.209105432
3 √n1078.6766899844
4 √n188.22117071528
5 √n66.029008558199
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
-1255087144 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 1255087145 can be divided by 8 positive divisors.
The sum of these divisors (counting 1255087145) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010110011110001110000101001
3
Ternary
10020110200000220002
4
Quaternary
1022303301300221
5
Quinary
10032300242040
6
Senary
324312512345
8
Octal
11263616051
10
Decimal
1255087145
12
Duodecimal
2b03ab6b5
16
Hexadecimal
4acf1c29
20
Vigesimal
jc45hh5
36
Base36
kr8vft
md5
1796e27cf1fb65d40128b7ad2e4bc737
sha1
a18c53559af6b70c4191b88b985f8f970e6afdc9
sha256
0de9615ea7e74454a8a4574393cf3b92a0937e99c923b40a85a7da64a7488eee
sha512
4e3c3d52a8da20aeead3a92caacf94644d4b1ea9e874cbb299e84ce07c4d07218a57e604f1447d50609f93694e00c0e1be3339c16ecf993a40803668c474c7a4
ripemd-160
e7de2c41f5e13558242cddd15f3f6a706f452226
Diameter
2510174290
Circumference
7885945108.694
Area
4.9487741660487E+18
Volume
8.2815237857545E+27
Surface area
1.9795096664195E+19
Circumference
7885945108.694
Perimeter
5020348580
Area
1575243741544251025
Diagonal
1774961262.4191
Surface area
9.4514624492655E+18
Volume
1.9770681702539E+27
Space diagonal
2173874703.0666
Perimeter
3765261435
Area
6.8210054866488E+17
Altitude
1086937351.5333
Surface area
6.8210054866488E+17
Volume
2.3299971834243E+26
Height
591653754.13971