1257788428 is an even 10-digits composite number following 1257788427
and preceding 1257788429 . In scientific notation, it is written as 1.257788428 × 10^9.
The sum of its digits is 52. It has a total of 4 prime factors and 12 positive divisors.
There are 580517712 positive integers (up to 1257788428) that are relatively prime to 1257788428.
1257788428 has 12 divisors, whose sum is 2370447520
The reverse of 1257788428 is 8248877521
Previous prime number is 13
Is Prime? no
Number parity even
Number length 10
Sum of Digits 52
Digital Root 7
Name
one billion two hundred fifty-seven million seven hundred eighty-eight thousand four hundred twenty-eight
Scientific notation
1.257788428 × 10^9
Engineering notation
1.257788428 × 10^9
Prime Factorization
2 × 2 × 13 × 24188239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
628894214
Product of the distinct prime numbers
The prime factorization of 1257788428 is 2 × 2 × 13 × 24188239.
Since it has a total of 4 prime factors.
2 , 9 , 3 , 6 , 169 , 219 , 2502 , 1628 , 62929 , 79311 , 933448 , 171944 , 1549324 , 4337786 , 30184661 , 73181722 , 992508931 , 11738523 , 4299980888 , 3473080717
n×2
2515576856
n×3
3773365284
n×4
5031153712
n×5
6288942140
n÷2
628894214
n÷3
419262809.33333
n÷3
314447107
n÷5
251557685.6
n2
1582031729610711184
n3
1.9898612022332E+27
n4
2.5028243934951E+36
n5
3.1480235594542E+45
2 √n
35465.313025547
3 √n
1079.4500023076
4 √n
188.32236464517
5 √n
66.057406535671
1 , 2 , 4 , 13 , 26 , 52 , 24188239 , 48376478 , 96752956 , 314447107 , 628894214 , 1257788428
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1257788427
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1257788428 can be divided by 12 positive divisors.
The sum of these divisors (counting 1257788428) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001010111110000101010000001100
3
Ternary
10020122202021100121
4
Quaternary
1022332011100030
5
Quinary
10033443212203
6
Senary
324450434324
8
Octal
11276052014
10
Decimal
1257788428
12
Duodecimal
2b12929a4
16
Hexadecimal
4af8540c
20
Vigesimal
jd13b18
36
Base36
ksurrg
md5
d129d0c12891c511945b08afd153190e
sha1
39ef35547674889190ee28a4219d686af5013813
sha256
1bd01a1587f59dec35994ec0030b3f80f35b4f41ad723a95e47342f868955819
sha512
69020f408a36c14181211b2c606056d56fe6b35cd98c2015f357cd5f77e7d899e681a580140128e2ff54a421b989b509f836a6b2232c92920e2a9907d45dd6a0
ripemd-160
4b3af465c66e4841e3e83d64c71db6b671e5c002
Diameter
2515576856
Circumference
7902917770.3501
Area
4.970099259491E+18
Volume
8.3351111127988E+27
Surface area
1.9880397037964E+19
Circumference
7902917770.3501
Perimeter
5031153712
Area
1582031729610711184
Diagonal
1778781453.4735
Surface area
9.4921903776643E+18
Volume
1.9898612022332E+27
Space diagonal
2178553462.4682
Perimeter
3773365284
Area
6.8503983371796E+17
Altitude
1089276731.2341
Surface area
6.8503983371796E+17
Volume
2.3450739161985E+26
Height
592927151.15785