1997689091 is an odd 10-digits composite number following 1997689090
and preceding 1997689092 . In scientific notation, it is written as 1.997689091 × 10^9.
The sum of its digits is 59. It has a total of 4 prime factors and 12 positive divisors.
There are 1844688768 positive integers (up to 1997689091) that are relatively prime to 1997689091.
1997689091 has 12 divisors, whose sum is 2162169072
The reverse of 1997689091 is 1909867991
Previous prime number is 17
Is Prime? no Number parity odd Number length 10 Sum of Digits 59 Digital Root 5
Name
one billion nine hundred ninety-seven million six hundred eighty-nine thousand ninety-one
Scientific notation
1.997689091 × 10^9
Engineering notation
1.997689091 × 10^9
Prime Factorization
53 × 17 × 17 × 130423
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
117511123 Product of the distinct prime numbers
The prime factorization of 1997689091 is 53 × 17 × 17 × 130423.
Since it has a total of 4 prime factors.
3 , 2 , 42 , 42 , 541 , 975 , 9167 , 6442 , 14145 , 20103 , 707236 , 660686 , 711107 , 1138349 , 37615297 , 40469996 , 748221784 , 910164198 , 9808854869 , 655380430
n×2
3995378182
n×3
5993067273
n×4
7990756364
n×5
9988445455
n÷2
998844545.5
n÷3
665896363.66667
n÷3
499422272.75
n÷5
399537818.2
n2
3990761704300406281
n3
7.9723011214615E+27
n4
1.5926178980511E+37
n5
3.181555401068E+46
2 √n44695.515334315
3 √n1259.4356023938
4 √n211.41313898222
5 √n72.461209622838
1 , 17 , 53 , 289 , 901 , 15317 , 130423 , 2217191 , 6912419 , 37692247 , 117511123 , 1997689091
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1997689090 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1997689091 can be divided by 12 positive divisors.
The sum of these divisors (counting 1997689091) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1110111000100100101000100000011
3
Ternary
12011020000010020212
4
Quaternary
1313010211010003
5
Quinary
13042402022331
6
Senary
530121224335
8
Octal
16704450403
10
Decimal
1997689091
12
Duodecimal
4790320ab
16
Hexadecimal
77125103
20
Vigesimal
1b45b2eb
36
Base36
x1dern
md5
8b66333b859b00e6de0a49dae2c9f23d
sha1
f8d2251066870c6ba248fd45a5de6586f836fded
sha256
45d3c1713aa8b3a82fc170adfbdb9328d4560605d44da5bdb488376ab716f0b4
sha512
21d34aa1f7b98c7bbcfcdafdb4dbb5c8b26a22eb77952d8d5e222e26d8e8e582526e7d565e6c1312950c25a51a7195623a58f65480b7c0bf0c5a978cdefe0181
ripemd-160
663ffa456f1f9f3d8b17152656a2d9b67316bc73
Diameter
3995378182
Circumference
12551850744.884
Area
1.2537347652458E+19
Volume
3.3394296847185E+28
Surface area
5.0149390609831E+19
Circumference
12551850744.884
Perimeter
7990756364
Area
3990761704300406281
Diagonal
2825159005.897
Surface area
2.3944570225802E+19
Volume
7.9723011214615E+27
Space diagonal
3460099003.3381
Perimeter
5993067273
Area
1.7280505081871E+18
Altitude
1730049501.669
Surface area
1.7280505081871E+18
Volume
9.3954469744109E+26
Height
941719668.63233