2001555981 is an odd 10-digits composite number following 2001555980
and preceding 2001555982 . In scientific notation, it is written as 2.001555981 × 10^9.
The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors.
There are 1334370636 positive integers (up to 2001555981) that are relatively prime to 2001555981.
2001555981 has 8 divisors, whose sum is 2965268160
The reverse of 2001555981 is 1895551002
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 36
Digital Root 9
Name
two billion one million five hundred fifty-five thousand nine hundred eighty-one
Scientific notation
2.001555981 × 10^9
Engineering notation
2.001555981 × 10^9
Prime Factorization
9 × 3 × 74131703
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2001555981
Product of the distinct prime numbers
The prime factorization of 2001555981 is 9 × 3 × 74131703.
Since it has a total of 3 prime factors.
6 , 10 , 63 , 30 , 521 , 288 , 5271 , 7276 , 4214 , 45500 , 143337 , 427640 , 9283065 , 4413348 , 60759665 , 65135332 , 457363170 , 906718560 , 429846598 , 6130628689
n×2
4003111962
n×3
6004667943
n×4
8006223924
n×5
10007779905
n÷2
1000777990.5
n÷3
667185327
n÷3
500388995.25
n÷5
400311196.2
n2
4006226345076872361
n3
8.0186863022284E+27
n4
1.6049849527988E+37
n5
3.2124672316894E+46
2 √n
44738.752564192
3 √n
1260.247700735
4 √n
211.51537193356
5 √n
72.489240293771
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
-2001555980
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 2001555981 can be divided by 8 positive divisors.
The sum of these divisors (counting 2001555981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110111010011010101001000001101
3
Ternary
12011111021120122000
4
Quaternary
1313103111020031
5
Quinary
13044344242411
6
Senary
530340142513
8
Octal
16723251015
10
Decimal
2001555981
12
Duodecimal
47a397a39
16
Hexadecimal
774d520d
20
Vigesimal
1b59e9j1
36
Base36
x3oah9
md5
076743e46c9514d215ae2fdee4c62b77
sha1
4081a08098eb7a58d6383f528f72043f6ab0b27d
sha256
f51c42493c7b987ae2ebfe3b29fba573439f2f627f614678539d4669ddde92a2
sha512
dc39838d5c63252079496838ef8bf4d982bc5b9e14237b47b55387c661e9bd8bbb6cdfa37325bdeee296fc9f7a20f3b33e23d6090f0fc7ba8be04075fb8af9e9
ripemd-160
a3bbb74a4ee2a7657687bf5512064870cd4c4b1a
Diameter
4003111962
Circumference
12576147131.317
Area
1.2585931254311E+19
Volume
3.3588594638029E+28
Surface area
5.0343725017246E+19
Circumference
12576147131.317
Perimeter
8006223924
Area
4006226345076872361
Diagonal
2830627614.1792
Surface area
2.4037358070461E+19
Volume
8.0186863022284E+27
Space diagonal
3466796653.2854
Perimeter
6004667943
Area
1.7347468940735E+18
Altitude
1733398326.6427
Surface area
1.7347468940735E+18
Volume
9.450112434189E+26
Height
943542538.05973