2990985 is an odd 7-digits composite number following 2990984
and preceding 2990986 . In scientific notation, it is written as 2.990985 × 10^6.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 1595184 positive integers (up to 2990985) that are relatively prime to 2990985.
2990985 has 4 divisors, whose sum is 3190400
The reverse of 2990985 is 5890992
Previous prime number is 15
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 42
Digital Root 6
Name
two million nine hundred ninety thousand nine hundred eighty-five
Scientific notation
2.990985 × 10^6
Engineering notation
2.990985 × 10^6
Prime Factorization
15 × 199399
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
2990985
Product of the distinct prime numbers
The prime factorization of 2990985 is 15 × 199399.
Since it has a total of 2 prime factors.
2 , 1 , 7 , 38 , 356 , 509 , 9934 , 9851 , 91632 , 79944 , 159028 , 321096 , 4432239 , 4181803 , 75608008 , 42668575 , 687536925 , 344146320 , 3348563247 , 897138920
n×2
5981970
n×3
8972955
n×4
11963940
n×5
14954925
n÷2
1495492.5
n÷3
996995
n÷3
747746.25
n÷5
598197
n2
8945991270225
n3
2.6757325699374E+19
n4
8.0030759806942E+25
n5
2.3937080212117E+32
2 √n
1729.4464432297
3 √n
144.08034675061
4 √n
41.586613750457
5 √n
19.731624723411
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
-2990984
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 2990985 can be divided by 4 positive divisors.
The sum of these divisors (counting 2990985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1011011010001110001001
3
Ternary
12121221212020
4
Quaternary
23122032021
5
Quinary
1231202420
6
Senary
144035053
8
Octal
13321611
10
Decimal
2990985
12
Duodecimal
1002a89
16
Hexadecimal
2da389
20
Vigesimal
idh95
36
Base36
1s3ux
md5
8098ce638c241b2f60593dee7b9cb71a
sha1
bbdde68dbf423f3c5b30636064633abe2c8cd2b4
sha256
c1d4fb9f2011fe550fa86d9759410ffd91f1b7c8785cfd307ff172cf5b1b1a52
sha512
3db8680af5618bc602e1ef67f10b24090a54ff29a762b7228f10f5677a891060b6a998d7e6897a78022934c6de7727f86b31db380f5b49dddb8130871f7a7bb2
ripemd-160
b2f8c5952b2afacc65681902da3cfe0f1ac2972c
Diameter
5981970
Circumference
18792913.005995
Area
28104660453617
Volume
1.1208082379582E+20
Surface area
1.1241864181447E+14
Circumference
18792913.005995
Perimeter
11963940
Area
8945991270225
Diagonal
4229891.5518545
Surface area
53675947621350
Volume
2.6757325699374E+19
Space diagonal
5180537.9846764
Perimeter
8972955
Area
3873727851024.3
Altitude
2590268.9923382
Surface area
3873727851024.3
Volume
3.1533810747407E+18
Height
1409963.8506182