2156821594 is an even 10-digits composite number following 2156821593
and preceding 2156821595 . In scientific notation, it is written as 2.156821594 × 10^9.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 1021652316 positive integers (up to 2156821594) that are relatively prime to 2156821594.
2156821594 has 8 divisors, whose sum is 3405507840
The reverse of 2156821594 is 4951286512
Previous prime number is 19
Is Prime? no
Number parity even
Number length 10
Sum of Digits 43
Digital Root 7
Name
two billion one hundred fifty-six million eight hundred twenty-one thousand five hundred ninety-four
Scientific notation
2.156821594 × 10^9
Engineering notation
2.156821594 × 10^9
Prime Factorization
2 × 19 × 56758463
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2156821594
Product of the distinct prime numbers
The prime factorization of 2156821594 is 2 × 19 × 56758463.
Since it has a total of 3 prime factors.
6 , 10 , 95 , 15 , 971 , 771 , 1768 , 1287 , 10994 , 27769 , 866159 , 616013 , 5967735 , 8605817 , 99306864 , 57478827 , 715862769 , 48541679 , 8811860809 , 1067522023
n×2
4313643188
n×3
6470464782
n×4
8627286376
n×5
10784107970
n÷2
1078410797
n÷3
718940531.33333
n÷3
539205398.5
n÷5
431364318.8
n2
4651879388344700836
n3
1.0033273917465E+28
n4
2.1639981843706E+37
n5
4.6673580134274E+46
2 √n
46441.593361985
3 √n
1292.0264594229
4 √n
215.50311682661
5 √n
73.580518627572
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
-2156821593
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 2156821594 can be divided by 8 positive divisors.
The sum of these divisors (counting 2156821594) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000000100011100111110001011010
3
Ternary
12120022102220000021
4
Quaternary
2000203213301122
5
Quinary
13404121242334
6
Senary
554004101054
8
Octal
20043476132
10
Decimal
2156821594
12
Duodecimal
50239478a
16
Hexadecimal
808e7c5a
20
Vigesimal
1de02dje
36
Base36
zo466y
md5
b0761908a58d9d9091e1c3a77cbfa265
sha1
6c71652c6505ed05189f58aca57b72cd7a0f390d
sha256
ae1b80e0eec9718b848471db1412486804250b2bbb53d1dd7f560e7197adbfe9
sha512
0cf0fde5e2784b51ffe986272e6d502cad5b5a8b3428687926870ff430c51c4c689ac085a5dca5712589c8e5b05dfcbf9f8847ccf51d7a252d2f5c45fb850634
ripemd-160
b95e8ee0e98c28cb5089879f421e9813b67e223f
Diameter
4313643188
Circumference
13551709749.628
Area
1.4614310111809E+19
Volume
4.2027279507418E+28
Surface area
5.8457240447238E+19
Circumference
13551709749.628
Perimeter
8627286376
Area
4651879388344700836
Diagonal
3050206349.854
Surface area
2.7911276330068E+19
Volume
1.0033273917465E+28
Space diagonal
3735724583.6697
Perimeter
6470464782
Area
2.0143228628239E+18
Altitude
1867862291.8348
Surface area
2.0143228628239E+18
Volume
1.182432670757E+27
Height
1016735449.9513