1681045897 is an odd 10-digits composite number following 1681045896
and preceding 1681045898 . In scientific notation, it is written as 1.681045897 × 10^9.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 1626818580 positive integers (up to 1681045897) that are relatively prime to 1681045897.
1681045897 has 4 divisors, whose sum is 1735273216
The reverse of 1681045897 is 7985401861
Previous prime number is 31
Is Prime? no Number parity odd Number length 10 Sum of Digits 49 Digital Root 4
Name
one billion six hundred eighty-one million forty-five thousand eight hundred ninety-seven
Scientific notation
1.681045897 × 10^9
Engineering notation
1.681045897 × 10^9
Prime Factorization
31 × 54227287
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
1681045897 Product of the distinct prime numbers
The prime factorization of 1681045897 is 31 × 54227287.
Since it has a total of 2 prime factors.
1 , 7 , 94 , 82 , 772 , 749 , 6765 , 8203 , 85063 , 15797 , 455148 , 109029 , 2784084 , 4307383 , 49901669 , 17876051 , 558784515 , 687064206 , 9227342562 , 5652007181
n×2
3362091794
n×3
5043137691
n×4
6724183588
n×5
8405229485
n÷2
840522948.5
n÷3
560348632.33333
n÷3
420261474.25
n÷5
336209179.4
n2
2825915307820534609
n3
4.7504933334812E+27
n4
7.9857973269744E+36
n5
1.3424491830784E+46
2 √n41000.559715692
3 √n1189.0310350167
4 √n202.48594942783
5 √n70.002881037306
4 divisors
τ Total Divisors
4 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-1681045896 Sum of the proper positive divisors of n
A Arithmetic Mean
0.25 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
4 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1681045897 can be divided by 4 positive divisors.
The sum of these divisors (counting 1681045897) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100100001100101011100110001001
3
Ternary
11100011011222110011
4
Quaternary
1210030223212021
5
Quinary
11420321432042
6
Senary
434450351521
8
Octal
14414534611
10
Decimal
1681045897
12
Duodecimal
3aab8b5a1
16
Hexadecimal
6432b989
20
Vigesimal
1656aeeh
36
Base36
rsunbd
md5
224a55adcacac7a563ca38b7b77d31ba
sha1
4311612a154f65bf7cf9b663faf08dc5d1716ccd
sha256
500116012412db19421c1ecd41d2f4efe3ba39e4847342ee4cd9bcfa35d47dd8
sha512
cc2d369ffec76065e7f6b878245e61cdb842871d4f192fa18c9a41921bc3c52b0a2f0b8e003e42501868714eb82bbcccb4ba9ec60793423504d2c3014309a106
ripemd-160
e26afc582b1d95bfc872b29f3bf1cba4ac747015
Diameter
3362091794
Circumference
10562322880.725
Area
8.8778747707159E+18
Volume
1.9898819943189E+28
Surface area
3.5511499082864E+19
Circumference
10562322880.725
Perimeter
6724183588
Area
2825915307820534609
Diagonal
2377357906.509
Surface area
1.6955491846923E+19
Volume
4.7504933334812E+27
Space diagonal
2911656903.4592
Perimeter
5043137691
Area
1.223657222758E+18
Altitude
1455828451.7296
Surface area
1.223657222758E+18
Volume
5.5985100834767E+26
Height
792452635.50302