1998173857 is an odd 10-digits prime number following 1998173856
and preceding 1998173858 . In scientific notation, it is written as 1.998173857 × 10^9.
The sum of its digits is 58. It has a total of 1 prime factors and 2 positive divisors.
There are 1998173856 positive integers (up to 1998173857) that are relatively prime to 1998173857.
1998173857 has 2 divisors, whose sum is 1998173858
The reverse of 1998173857 is 7583718991
Previous prime number is 1
Is Prime? yes Number parity odd Number length 10 Sum of Digits 58 Digital Root 4
Name
one billion nine hundred ninety-eight million one hundred seventy-three thousand eight hundred fifty-seven
Scientific notation
1.998173857 × 10^9
Engineering notation
1.998173857 × 10^9
Prime Factorization
1998173857
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
1998173857 Product of the distinct prime numbers
The prime factorization of 1998173857 is 1998173857.
Since it has a total of 1 prime factors.
1 , 1 , 26 , 11 , 141 , 877 , 6085 , 1466 , 32742 , 54817 , 819563 , 12699 , 51430 , 3445861 , 89058139 , 2865006 , 417159734 , 805953489 , 4688679125 , 3723667780
n×2
3996347714
n×3
5994521571
n×4
7992695428
n×5
9990869285
n÷2
999086928.5
n÷3
666057952.33333
n÷3
499543464.25
n÷5
399634771.4
n2
3992698762798256449
n3
7.9781062866997E+27
n4
1.5941643410451E+37
n5
3.1854175100379E+46
2 √n44700.937987921
3 √n1259.537467124
4 √n211.42596337234
5 √n72.464726018038
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
1998173858 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
999086929 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
44700.937999107 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999989991 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998173857 can be divided by 2 positive divisors.
The sum of these divisors (counting 1998173857) is 1998173858, the average is 999086929.
Base
System
Value
2
Binary
1110111000110011011011010100001
3
Ternary
12011020220202020011
4
Quaternary
1313012123122201
5
Quinary
13043013030412
6
Senary
530135444521
8
Octal
16706333241
10
Decimal
1998173857
12
Duodecimal
479226741
16
Hexadecimal
7719b6a1
20
Vigesimal
1b48bech
36
Base36
x1nstd
md5
9338ce484ab4f95e8db64698203d63bd
sha1
38c36daae173a907529ee9db453e1a9e243ffc86
sha256
b75403445d57de0415963ab62588d4793a4069ae89f12b8ce07c01d8abaeab0d
sha512
61bfe06916a449cfe9d2d3630d1c6a6865c5ce0d0f97b0abebf25af23087ed4a21d6ce2fa6d2edd65aea87d6ddb6fdcc05bf8d5abf7c8eafaed029f6ebba9273
ripemd-160
7e1d4889bd8668674316aee5ac44dbe10fcd42d3
Diameter
3996347714
Circumference
12554896619.493
Area
1.2543433101204E+19
Volume
3.3418613466473E+28
Surface area
5.0173732404816E+19
Circumference
12554896619.493
Perimeter
7992695428
Area
3992698762798256449
Diagonal
2825844568.5488
Surface area
2.395619257679E+19
Volume
7.9781062866997E+27
Space diagonal
3460938642.6799
Perimeter
5994521571
Area
1.728889279121E+18
Altitude
1730469321.3399
Surface area
1.728889279121E+18
Volume
9.402288427254E+26
Height
941948189.51625