1997488939 is an odd 10-digits prime number following 1997488938
and preceding 1997488940 . In scientific notation, it is written as 1.997488939 × 10^9.
The sum of its digits is 67. It has a total of 1 prime factors and 2 positive divisors.
There are 1997488938 positive integers (up to 1997488939) that are relatively prime to 1997488939.
1997488939 has 2 divisors, whose sum is 1997488940
The reverse of 1997488939 is 9398847991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 10
Sum of Digits 67
Digital Root 4
Name
one billion nine hundred ninety-seven million four hundred eighty-eight thousand nine hundred thirty-nine
Scientific notation
1.997488939 × 10^9
Engineering notation
1.997488939 × 10^9
Prime Factorization
1997488939
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
1997488939
Product of the distinct prime numbers
The prime factorization of 1997488939 is 1997488939.
Since it has a total of 1 prime factors.
7 , 1 , 50 , 21 , 87 , 740 , 2510 , 6590 , 62198 , 14804 , 253104 , 294624 , 3426765 , 6326574 , 84192523 , 85195183 , 447242855 , 78902714 , 5941108867 , 5166459226
n×2
3994977878
n×3
5992466817
n×4
7989955756
n×5
9987444695
n÷2
998744469.5
n÷3
665829646.33333
n÷3
499372234.75
n÷5
399497787.8
n2
3989962061427345721
n3
7.9699050847308E+27
n4
1.591979725163E+37
n5
3.1799618921253E+46
2 √n
44693.276216899
3 √n
1259.3935392961
4 √n
211.40784331925
5 √n
72.459757561317
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
1997488940
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
998744470
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
44693.276228086
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999989987
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997488939 can be divided by 2 positive divisors.
The sum of these divisors (counting 1997488939) is 1997488940, the average is 998744470.
Base
System
Value
2
Binary
1110111000011110100001100101011
3
Ternary
12011012121221200211
4
Quaternary
1313003310030223
5
Quinary
13042324121224
6
Senary
530113041551
8
Octal
16703641453
10
Decimal
1997488939
12
Duodecimal
478b562b7
16
Hexadecimal
770f432b
20
Vigesimal
1b44626j
36
Base36
x194bv
md5
064cb2c5aaa852f4d468a0e73b83c565
sha1
14277fa06f20e1f16c70ecc219f0a1769137d1ce
sha256
8d930419697258f7a374cabe0046ae20daf2577186bc72f77ed1f77f33b4c403
sha512
187a80bffb3c6c58b5dfaabcc0e50ac1171f0bc6edfc5323261f79568083eb919086fa27a07f868d6f8a1c6d08f40cf46cb5ced53bcac59bbf4bacf6569610c6
ripemd-160
04c2b358d01b057a10473142f7c5d338e324d82a
Diameter
3994977878
Circumference
12550593152.779
Area
1.2534835500282E+19
Volume
3.3384260351997E+28
Surface area
5.0139342001129E+19
Circumference
12550593152.779
Perimeter
7989955756
Area
3989962061427345721
Diagonal
2824875948.224
Surface area
2.3939772368564E+19
Volume
7.9699050847308E+27
Space diagonal
3459752329.9048
Perimeter
5992466817
Area
1.7277042526661E+18
Altitude
1729876164.9524
Surface area
1.7277042526661E+18
Volume
9.3926232180438E+26
Height
941625316.07468