1660403985 is an odd 10-digits composite number following 1660403984
and preceding 1660403986 . In scientific notation, it is written as 1.660403985 × 10^9.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 881645888 positive integers (up to 1660403985) that are relatively prime to 1660403985.
1660403985 has 16 divisors, whose sum is 2668355136
The reverse of 1660403985 is 5893040661
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 42
Digital Root 6
Name
one billion six hundred sixty million four hundred three thousand nine hundred eighty-five
Scientific notation
1.660403985 × 10^9
Engineering notation
1.660403985 × 10^9
Prime Factorization
3 × 227 × 5 × 487637
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1660403985
Product of the distinct prime numbers
The prime factorization of 1660403985 is 3 × 227 × 5 × 487637.
Since it has a total of 4 prime factors.
2 , 8 , 47 , 13 , 66 , 887 , 1218 , 2371 , 30300 , 72125 , 688357 , 599561 , 5752512 , 9739525 , 8846474 , 52777736 , 316371283 , 440079062 , 1357350185 , 7091312483
n×2
3320807970
n×3
4981211955
n×4
6641615940
n×5
8302019925
n÷2
830201992.5
n÷3
553467995
n÷3
415100996.25
n÷5
332080797
n2
2756941393403880225
n3
4.5776364760193E+27
n4
7.6007258466637E+36
n5
1.2620275484693E+46
2 √n
40748.054984257
3 √n
1184.1441914972
4 √n
201.86147474012
5 √n
69.830114379883
1 , 3 , 5 , 15 , 227 , 681 , 1135 , 3405 , 487637 , 1462911 , 2438185 , 7314555 , 110693599 , 332080797 , 553467995 , 1660403985
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
-1660403984
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 1660403985 can be divided by 16 positive divisors.
The sum of these divisors (counting 1660403985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100010111101111100000100010001
3
Ternary
11021201100021001220
4
Quaternary
1202331330010101
5
Quinary
11400030411420
6
Senary
432432115253
8
Octal
14275740421
10
Decimal
1660403985
12
Duodecimal
3a4095b29
16
Hexadecimal
62f7c111
20
Vigesimal
15iha9j5
36
Base36
rgk7wx
md5
76f6c187fcb84741ee8efa1da5303b7b
sha1
4227ab628dabb9f431d1376dbd18617004243011
sha256
c6384fbd175596acb0674ea2b4838515889336851155bbe670a8b641142a84cb
sha512
793a16f3e064ebae7cdefc93b76d1e6fc46e7466104066182bb68e2f114b8d035bb535094f4484c1535f232750d969a543e3d6ef7b3b3ed1b5c1f653bd0ef3ee
ripemd-160
22c0d328115d3f1448ac7c4ab215bc1601cf5432
Diameter
3320807970
Circumference
10432625922.534
Area
8.6611868278952E+18
Volume
1.9174758831822E+28
Surface area
3.4644747311581E+19
Circumference
10432625922.534
Perimeter
6641615940
Area
2756941393403880225
Diagonal
2348165834.6053
Surface area
1.6541648360423E+19
Volume
4.5776364760193E+27
Space diagonal
2875904063.1098
Perimeter
4981211955
Area
1.1937906417163E+18
Altitude
1437952031.5549
Surface area
1.1937906417163E+18
Volume
5.3947963233335E+26
Height
782721944.86844