2001637981 is an odd 10-digits composite number following 2001637980
and preceding 2001637982 . In scientific notation, it is written as 2.001637981 × 10^9.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 1715417088 positive integers (up to 2001637981) that are relatively prime to 2001637981.
2001637981 has 8 divisors, whose sum is 2287949760
The reverse of 2001637981 is 1897361002
Previous prime number is 7547
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 37
Digital Root 1
Name
two billion one million six hundred thirty-seven thousand nine hundred eighty-one
Scientific notation
2.001637981 × 10^9
Engineering notation
2.001637981 × 10^9
Prime Factorization
7 × 7547 × 37889
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2001637981
Product of the distinct prime numbers
The prime factorization of 2001637981 is 7 × 7547 × 37889.
Since it has a total of 3 prime factors.
1 , 8 , 40 , 16 , 516 , 340 , 7639 , 678 , 55071 , 20248 , 932432 , 94734 , 4223830 , 2552027 , 42541660 , 37561964 , 968774421 , 291916542 , 4494845861 , 9466601185
n×2
4003275962
n×3
6004913943
n×4
8006551924
n×5
10008189905
n÷2
1000818990.5
n÷3
667212660.33333
n÷3
500409495.25
n÷5
400327596.2
n2
4006554606981756361
n3
8.0196718742852E+27
n4
1.6052479818727E+37
n5
3.2131253294399E+46
2 √n
44739.668986259
3 √n
1260.264910496
4 √n
211.51753824744
5 √n
72.489834233721
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2001637980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2001637981 can be divided by 8 positive divisors.
The sum of these divisors (counting 2001637981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111010011101001001001011101
3
Ternary
12011111102202010001
4
Quaternary
1313103221021131
5
Quinary
13044404403411
6
Senary
530342014301
8
Octal
16723511135
10
Decimal
2001637981
12
Duodecimal
47a417391
16
Hexadecimal
774e925d
20
Vigesimal
1b5a4ej1
36
Base36
x3q1r1
md5
5a2bfc6752e02a2bc2da6bfa926b4822
sha1
a75db49abede87443db188c596d6b2ff7c3c2c2d
sha256
69a42a86cc4100f8ff7ea8756e8fa3401ce68b6d8a5f04da0369f56bdd2b4789
sha512
df2981882fba071d109d2ae5718b7b44e01d046f037a87e58dba44a90f4f1443ef84b664af4951d3dcfbca9b9de2f68da2db27ee6df8083a6ab3948fcdad9499
ripemd-160
2196a174c241d4358da62e27e43b11e975c0401c
Diameter
4003275962
Circumference
12576662352.512
Area
1.25869625195E+19
Volume
3.3592722992607E+28
Surface area
5.0347850078001E+19
Circumference
12576662352.512
Perimeter
8006551924
Area
4006554606981756361
Diagonal
2830743579.6913
Surface area
2.4039327641891E+19
Volume
8.0196718742852E+27
Space diagonal
3466938681.4516
Perimeter
6004913943
Area
1.7348890356479E+18
Altitude
1733469340.7258
Surface area
1.7348890356479E+18
Volume
9.4512739419968E+26
Height
943581193.23043