1556057981 is an odd 10-digits composite number following 1556057980
and preceding 1556057982 . In scientific notation, it is written as 1.556057981 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 1555360764 positive integers (up to 1556057981) that are relatively prime to 1556057981.
1556057981 has 4 divisors, whose sum is 1556755200
The reverse of 1556057981 is 1897506551
Previous prime number is 2239
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
one billion five hundred fifty-six million fifty-seven thousand nine hundred eighty-one
Scientific notation
1.556057981 × 10^9
Engineering notation
1.556057981 × 10^9
Prime Factorization
2239 × 694979
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1556057981
Product of the distinct prime numbers
The prime factorization of 1556057981 is 2239 × 694979.
Since it has a total of 2 prime factors.
2 , 6 , 34 , 6 , 155 , 120 , 2497 , 6154 , 66273 , 54109 , 286562 , 345588 , 2656864 , 2629052 , 68568628 , 46826080 , 587499813 , 439688044 , 2545648133 , 2447106086
n×2
3112115962
n×3
4668173943
n×4
6224231924
n×5
7780289905
n÷2
778028990.5
n÷3
518685993.66667
n÷3
389014495.25
n÷5
311211596.2
n2
2421316440233796361
n3
3.7677087713523E+27
n4
5.8627733037465E+36
n5
9.1228151900884E+45
2 √n
39446.900778135
3 √n
1158.800280884
4 √n
198.61243862894
5 √n
68.929504262379
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
-1556057980
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 1556057981 can be divided by 4 positive divisors.
The sum of these divisors (counting 1556057981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011100101111111000111101111101
3
Ternary
11000102222221021002
4
Quaternary
1130233320331331
5
Quinary
11141322323411
6
Senary
414223420045
8
Octal
13457707575
10
Decimal
1556057981
12
Duodecimal
375154625
16
Hexadecimal
5cbf8f7d
20
Vigesimal
146574j1
36
Base36
pqfq0t
md5
879ddae28d766c420572e0cbe7a6e415
sha1
8c3e68c1a836458fe39ffa0e058a6beba7bef6a2
sha256
9c9ef1f497896059232a644821fc7ff07d16ebcf26ec32c0dbf75aed274d052c
sha512
b81a0ede0620d3ebcb70357d8efc90db3a098f43ee65a948715bde5d824c2ae614d6dbf8c66df197d266d2e8d964b8de8680c8d80a9f657197c5457e19447d9b
ripemd-160
26a9093aab131fabe3e36008bc114b9daf22ddc5
Diameter
3112115962
Circumference
9777000643.3387
Area
7.6067899406547E+18
Volume
1.5782141595928E+28
Surface area
3.0427159762619E+19
Circumference
9777000643.3387
Perimeter
6224231924
Area
2421316440233796361
Diagonal
2200598300.5691
Surface area
1.4527898641403E+19
Volume
3.7677087713523E+27
Space diagonal
2695171482.615
Perimeter
4668173943
Area
1.0484607739217E+18
Altitude
1347585741.3075
Surface area
1.0484607739217E+18
Volume
4.4402873695988E+26
Height
733532766.85637