1639797957 is an odd 10-digits composite number following 1639797956
and preceding 1639797958 . In scientific notation, it is written as 1.639797957 × 10^9.
The sum of its digits is 63. It has a total of 3 prime factors and 8 positive divisors.
There are 937027368 positive integers (up to 1639797957) that are relatively prime to 1639797957.
1639797957 has 8 divisors, whose sum is 2290511520
The reverse of 1639797957 is 7597979361
Previous prime number is 21
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 63
Digital Root 9
Name
one billion six hundred thirty-nine million seven hundred ninety-seven thousand nine hundred fifty-seven
Scientific notation
1.639797957 × 10^9
Engineering notation
1.639797957 × 10^9
Prime Factorization
3 × 21 × 26028539
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1639797957
Product of the distinct prime numbers
The prime factorization of 1639797957 is 3 × 21 × 26028539.
Since it has a total of 3 prime factors.
2 , 4 , 10 , 39 , 629 , 107 , 3069 , 7691 , 84515 , 702 , 250617 , 1065 , 5774884 , 9145373 , 12479411 , 62946237 , 897540701 , 370348221 , 4930922850 , 2007333663
n×2
3279595914
n×3
4919393871
n×4
6559191828
n×5
8198989785
n÷2
819898978.5
n÷3
546599319
n÷3
409949489.25
n÷5
327959591.4
n2
2688937339781373849
n3
4.4093139562745E+27
n4
7.2303840172705E+36
n5
1.1856368939846E+46
2 √n
40494.418837662
3 √n
1179.2252783634
4 √n
201.23225098791
5 √n
69.655925699522
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
-1639797956
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 1639797957 can be divided by 8 positive divisors.
The sum of these divisors (counting 1639797957) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100001101111010101010011000101
3
Ternary
11020021120100220200
4
Quaternary
1201233111103011
5
Quinary
11324242013312
6
Senary
430414321113
8
Octal
14157252305
10
Decimal
1639797957
12
Duodecimal
3991b9199
16
Hexadecimal
61bd54c5
20
Vigesimal
15c8eehh
36
Base36
r4ak79
md5
3700e4aa22efae9b7b1d0fb9374ad705
sha1
f15926ef69051cfa287afd2e8b3e2445e0d4e84f
sha256
46ff8ae2a41120a8d9992e90598b47e831f7cc0f105a1cc4f1e0a059f8a27574
sha512
dceed05616f17c2d94bb6b10e9d15670725480703608ec4870644465679313ebff0d1a47bf655ceb2df00157ab8e19170b6a7f8a0dc9d0bc3f7fa0e587a37055
ripemd-160
53d96da67ad4bfb5cf9abfeb5dd0f595d82f60f4
Diameter
3279595914
Circumference
10303154430.166
Area
8.4475457926204E+18
Volume
1.8469691109871E+28
Surface area
3.3790183170482E+19
Circumference
10303154430.166
Perimeter
6559191828
Area
2688937339781373849
Diagonal
2319024510.3411
Surface area
1.6133624038688E+19
Volume
4.4093139562745E+27
Space diagonal
2840213375.6716
Perimeter
4919393871
Area
1.1643440227176E+18
Altitude
1420106687.8358
Surface area
1.1643440227176E+18
Volume
5.196426331437E+26
Height
773008170.1137