2155691859 is an odd 10-digits composite number following 2155691858
and preceding 2155691860 . In scientific notation, it is written as 2.155691859 × 10^9.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 1371921056 positive integers (up to 2155691859) that are relatively prime to 2155691859.
2155691859 has 16 divisors, whose sum is 3005164800
The reverse of 2155691859 is 9581965512
Previous prime number is 509
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 51
Digital Root 6
Name
two billion one hundred fifty-five million six hundred ninety-one thousand eight hundred fifty-nine
Scientific notation
2.155691859 × 10^9
Engineering notation
2.155691859 × 10^9
Prime Factorization
3 × 23 × 509 × 61379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2155691859
Product of the distinct prime numbers
The prime factorization of 2155691859 is 3 × 23 × 509 × 61379.
Since it has a total of 4 prime factors.
9 , 2 , 46 , 87 , 856 , 367 , 1699 , 6411 , 19272 , 23974 , 765261 , 214927 , 2417381 , 5406062 , 3612342 , 36894552 , 771008180 , 497565837 , 6480050087 , 8373721379
n×2
4311383718
n×3
6467075577
n×4
8622767436
n×5
10778459295
n÷2
1077845929.5
n÷3
718563953
n÷3
538922964.75
n÷5
431138371.8
n2
4647007390958875881
n3
1.0017516001403E+28
n4
2.1594677691626E+37
n5
4.6551470897568E+46
2 √n
46429.428803292
3 √n
1291.8008338322
4 √n
215.47489135232
5 √n
73.572808772528
1 , 3 , 23 , 69 , 509 , 1527 , 11707 , 35121 , 61379 , 184137 , 1411717 , 4235151 , 31241911 , 93725733 , 718563953 , 2155691859
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
-2155691858
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 2155691859 can be divided by 16 positive divisors.
The sum of these divisors (counting 2155691859) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10000000011111010011111101010011
3
Ternary
12120020022111022020
4
Quaternary
2000133103331103
5
Quinary
13403324114414
6
Senary
553523542523
8
Octal
20037237523
10
Decimal
2155691859
12
Duodecimal
501b2aa43
16
Hexadecimal
807d3f53
20
Vigesimal
1ddd19cj
36
Base36
znfyhf
md5
b7f12ac86662a487763afd67417675f2
sha1
4631682eedc30dcddcbcef2b59df7fe1dfafe034
sha256
52542ca8c0de7723f64762dad16abd258f37154d8177f36695a2da2c0a20f7e4
sha512
9ab0523822e40ead7b9863ef0995940c54c2fb0b5d9292b5f37b284c4cd31427de2c3b248e497e98788cdfef0926e0795c837cb14cab51ac9943097b0a7dbd4c
ripemd-160
c406920b4c024169e3628d2e6d624554a01ff196
Diameter
4311383718
Circumference
13544611415.275
Area
1.4599004280614E+19
Volume
4.1961272902967E+28
Surface area
5.8396017122456E+19
Circumference
13544611415.275
Perimeter
8622767436
Area
4647007390958875881
Diagonal
3048608663.2951
Surface area
2.7882044345753E+19
Volume
1.0017516001403E+28
Space diagonal
3733767825.2506
Perimeter
6467075577
Area
2.0122132260722E+18
Altitude
1866883912.6253
Surface area
2.0122132260722E+18
Volume
1.1805755825395E+27
Height
1016202887.765