2649663987 is an odd 10-digits composite number following 2649663986
and preceding 2649663988 . In scientific notation, it is written as 2.649663987 × 10^9.
The sum of its digits is 60. It has a total of 4 prime factors and 16 positive divisors.
There are 1755807200 positive integers (up to 2649663987) that are relatively prime to 2649663987.
2649663987 has 16 divisors, whose sum is 3554191872
The reverse of 2649663987 is 7893669462
Previous prime number is 1907
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 60
Digital Root 6
Name
two billion six hundred forty-nine million six hundred sixty-three thousand nine hundred eighty-seven
Scientific notation
2.649663987 × 10^9
Engineering notation
2.649663987 × 10^9
Prime Factorization
3 × 197 × 1907 × 2351
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2649663987
Product of the distinct prime numbers
The prime factorization of 2649663987 is 3 × 197 × 1907 × 2351.
Since it has a total of 4 prime factors.
7 , 2 , 95 , 33 , 632 , 30 , 485 , 7881 , 69354 , 881 , 748473 , 221449 , 3875114 , 7855962 , 4653624 , 14060178 , 644156339 , 961098435 , 7614782998 , 3255434765
n×2
5299327974
n×3
7948991961
n×4
10598655948
n×5
13248319935
n÷2
1324831993.5
n÷3
883221329
n÷3
662415996.75
n÷5
529932797.4
n2
7020719244004736169
n3
1.8602546943677E+28
n4
4.9290498703138E+37
n5
1.3060325931498E+47
2 √n
51474.886954708
3 √n
1383.7690126149
4 √n
226.88077696162
5 √n
76.67224161351
1 , 3 , 197 , 591 , 1907 , 2351 , 5721 , 7053 , 375679 , 463147 , 1127037 , 1389441 , 4483357 , 13450071 , 883221329 , 2649663987
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-2649663986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 2649663987 can be divided by 16 positive divisors.
The sum of these divisors (counting 2649663987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
10011101111011101010100111110011
3
Ternary
20211122210212200020
4
Quaternary
2131323222213303
5
Quinary
20411303221422
6
Senary
1114531254523
8
Octal
23573524763
10
Decimal
2649663987
12
Duodecimal
61b44a443
16
Hexadecimal
9deea9f3
20
Vigesimal
21807jj7
36
Base36
17tjhtf
md5
5661e0f466c5a1f41dc64708d86d0522
sha1
e58159daf5acc636dd590d65b8f46cd0dcb7682e
sha256
8b5e59db62371e2bf53d0854690ae0dafeb3c82bef62f70d365fae98cb1bab91
sha512
81ccfdea2948ee2888c224efc9326326eaf59ef86a16c3ba481de51892f0b4f2fb8dded0b876736fb665ca3530a2d5d738007ffcaf86761bd4e0526b5fea8bdf
ripemd-160
d3baf58eeafe4f2708fec6a588acb2927af7c08c
Diameter
5299327974
Circumference
16648329832.081
Area
2.2056239999882E+19
Volume
7.7922166421754E+28
Surface area
8.8224959999527E+19
Circumference
16648329832.081
Perimeter
10598655948
Area
7020719244004736169
Diagonal
3747190746.147
Surface area
4.2124315464028E+19
Volume
1.8602546943677E+28
Space diagonal
4589352648.4695
Perimeter
7948991961
Area
3.0400606090732E+18
Altitude
2294676324.2348
Surface area
3.0400606090732E+18
Volume
2.1923311818692E+27
Height
1249063582.049