7157026981 is an odd 10-digits composite number following 7157026980
and preceding 7157026982 . In scientific notation, it is written as 7.157026981 × 10^9.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 6604506480 positive integers (up to 7157026981) that are relatively prime to 7157026981.
7157026981 has 8 divisors, whose sum is 7709877504
The reverse of 7157026981 is 1896207517
Previous prime number is 3407
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 46
Digital Root 1
Name
seven billion one hundred fifty-seven million twenty-six thousand nine hundred eighty-one
Scientific notation
7.157026981 × 10^9
Engineering notation
7.157026981 × 10^9
Prime Factorization
13 × 3407 × 161591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
7157026981
Product of the distinct prime numbers
The prime factorization of 7157026981 is 13 × 3407 × 161591.
Since it has a total of 3 prime factors.
2 , 10 , 27 , 55 , 232 , 862 , 4928 , 3057 , 18088 , 46265 , 857686 , 452470 , 3659491 , 2579436 , 1980133 , 22425925 , 266529559 , 37530378 , 2476542347 , 9132307352
n×2
14314053962
n×3
21471080943
n×4
28628107924
n×5
35785134905
n÷2
3578513490.5
n÷3
2385675660.3333
n÷3
1789256745.25
n÷5
1431405396.2
n2
5.1223035206762E+19
n3
3.6660464502351E+29
n4
2.6237993357932E+39
n5
1.8778602639002E+49
2 √n
84599.213832045
3 √n
1927.1294347244
4 √n
290.85943999129
5 √n
93.529051673069
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
-7157026980
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 7157026981 can be divided by 8 positive divisors.
The sum of these divisors (counting 7157026981) is 1, the average is 0.125.
Base
System
Value
2
Binary
110101010100101111001000010100101
3
Ternary
200110210012122022101
4
Quaternary
12222211321002211
5
Quinary
104124144330411
6
Senary
3142103532101
8
Octal
65245710245
10
Decimal
7157026981
12
Duodecimal
1478a5a031
16
Hexadecimal
1aa9790a5
20
Vigesimal
5bgb8791
36
Base36
3ad3xd1
md5
43124f3f6fff8bb2433ac28b2486372c
sha1
8dedb13623982643e2cbe165d4eec9b2599b28ba
sha256
b4d9f03e3d56cc993b6f689a4bc73f5995c80aac318754801017ec79b521f4db
sha512
9e96cd509b4bede7cae3e06bd3c7e3eaee355044ad2d1d50b4b6aa03068b6b00cb9a61987ea736107547dba2ac6cf056a61f7fd658ca5b400db363965e783d34
ripemd-160
9117df1eaa8a718dd55e0829fc703453104ce2e2
Diameter
14314053962
Circumference
44968926770.107
Area
1.6092191110013E+20
Volume
1.5356299461037E+30
Surface area
6.4368764440054E+20
Circumference
44968926770.107
Perimeter
28628107924
Area
5.1223035206762E+19
Diagonal
10121564622.8
Surface area
3.0733821124057E+20
Volume
3.6660464502351E+29
Space diagonal
12396334362.233
Perimeter
21471080943
Area
2.2180224874E+19
Altitude
6198167181.1166
Surface area
2.2180224874E+19
Volume
4.3204771751768E+28
Height
3373854874.2668