1257189742 is an even 10-digits composite number following 1257189741
and preceding 1257189743 . In scientific notation, it is written as 1.257189742 × 10^9.
The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors.
There are 618207480 positive integers (up to 1257189742) that are relatively prime to 1257189742.
1257189742 has 16 divisors, whose sum is 1917038592
The reverse of 1257189742 is 2479817521
Previous prime number is 643
Is Prime? no
Number parity even
Number length 10
Sum of Digits 46
Digital Root 1
Name
one billion two hundred fifty-seven million one hundred eighty-nine thousand seven hundred forty-two
Scientific notation
1.257189742 × 10^9
Engineering notation
1.257189742 × 10^9
Prime Factorization
2 × 67 × 643 × 14591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1257189742
Product of the distinct prime numbers
The prime factorization of 1257189742 is 2 × 67 × 643 × 14591.
Since it has a total of 4 prime factors.
3 , 9 , 18 , 64 , 229 , 850 , 9316 , 5910 , 59588 , 16974 , 151282 , 537055 , 8765724 , 1069963 , 72244468 , 15758675 , 134715182 , 296138243 , 2874241355 , 2985890468
n×2
2514379484
n×3
3771569226
n×4
5028758968
n×5
6285948710
n÷2
628594871
n÷3
419063247.33333
n÷3
314297435.5
n÷5
251437948.4
n2
1580526047390026564
n3
1.9870211337425E+27
n4
2.4980625864783E+36
n5
3.1405386585946E+45
2 √n
35456.871576607
3 √n
1079.2787084843
4 √n
188.29995107967
5 √n
66.051116896593
1 , 2 , 67 , 134 , 643 , 1286 , 14591 , 29182 , 43081 , 86162 , 977597 , 1955194 , 9382013 , 18764026 , 628594871 , 1257189742
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1257189741
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1257189742 can be divided by 16 positive divisors.
The sum of these divisors (counting 1257189742) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001010111011110011000101101110
3
Ternary
10020121121212010001
4
Quaternary
1022323303011232
5
Quinary
10033320032432
6
Senary
324425534514
8
Octal
11273630556
10
Decimal
1257189742
12
Duodecimal
2b104443a
16
Hexadecimal
4aef316e
20
Vigesimal
jch8e72
36
Base36
kshxta
md5
9d815c32f303f544eb1b2ea69ffd942f
sha1
1fb69f8c62b7f8c6228755488697795d5c5473ce
sha256
4d964e9d3b3b6ba49a891417d8621a44a588076342243574c9ec449d69866814
sha512
3bb75d6d0830a20f5b91961b6bd6496d8723749ae6b63dd5ae4a2da5c7d25131a7fb0e020fe11fd0d05d152af61bbcc37413ea925ec0a66b811979c9d1ffe539
ripemd-160
ce8d58fab6f6f1ccd2ca538640d6130bf695c793
Diameter
2514379484
Circumference
7899156115.2713
Area
4.9653690192878E+18
Volume
8.3232146617243E+27
Surface area
1.9861476077151E+19
Circumference
7899156115.2713
Perimeter
5028758968
Area
1580526047390026564
Diagonal
1777934783.6127
Surface area
9.4831562843402E+18
Volume
1.9870211337425E+27
Space diagonal
2177516507.8984
Perimeter
3771569226
Area
6.8438785419139E+17
Altitude
1088758253.9492
Surface area
6.8438785419139E+17
Volume
2.3417268633839E+26
Height
592644927.87091