2790987 is an odd 7-digits composite number following 2790986
and preceding 2790988 . In scientific notation, it is written as 2.790987 × 10^6.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 1843968 positive integers (up to 2790987) that are relatively prime to 2790987.
2790987 has 8 divisors, whose sum is 3754704
The reverse of 2790987 is 7890972
Previous prime number is 113
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 42
Digital Root 6
Name
two million seven hundred ninety thousand nine hundred eighty-seven
Scientific notation
2.790987 × 10^6
Engineering notation
2.790987 × 10^6
Prime Factorization
3 × 113 × 8233
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
2790987
Product of the distinct prime numbers
The prime factorization of 2790987 is 3 × 113 × 8233.
Since it has a total of 3 prime factors.
7 , 4 , 83 , 87 , 354 , 26 , 7117 , 8404 , 29494 , 40761 , 734127 , 69327 , 6533652 , 3882665 , 34638854 , 44008288 , 955676943 , 202081734 , 9310019831 , 4324878400
n×2
5581974
n×3
8372961
n×4
11163948
n×5
13954935
n÷2
1395493.5
n÷3
930329
n÷3
697746.75
n÷5
558197.4
n2
7789608434169
n3
2.1740695874856E+19
n4
6.0677999557677E+25
n5
1.6935150795148E+32
2 √n
1670.6247334455
3 √n
140.79458040757
4 √n
40.873276519574
5 √n
19.460391036631
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
-2790986
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 2790987 can be divided by 8 positive divisors.
The sum of these divisors (counting 2790987) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010101001011001001011
3
Ternary
12020210111220
4
Quaternary
22221121023
5
Quinary
1203302422
6
Senary
135453123
8
Octal
12513113
10
Decimal
2790987
12
Duodecimal
b271a3
16
Hexadecimal
2a964b
20
Vigesimal
h8h97
36
Base36
1ntjf
md5
e1c6ef870365eab387d6e29f822928b1
sha1
cea40c05686fd127035e3b43f9b1b1377837a1a8
sha256
1dabbce3f0be9d175f050e0db71f9f178c83e720503eac442d14dc152ff917ac
sha512
49bb897144515888264f8eda504bb92c8a3a0ae3785d85bda98ae546dee787f9d93667bbe6581e5d5b17acf8a9d58c3de65e862385fbe1ef8f9c1895ac497c94
ripemd-160
99634440a009cb5ca71a4b9b98b7a46863b2fcf1
Diameter
5581974
Circumference
17536288.510929
Area
24471776631126
Volume
9.1067213925837E+19
Surface area
97887106524506
Circumference
17536288.510929
Perimeter
11163948
Area
7789608434169
Diagonal
3947051.667807
Surface area
46737650605014
Volume
2.1740695874856E+19
Space diagonal
4834131.2872642
Perimeter
8372961
Area
3372999394761.9
Altitude
2417065.6436321
Surface area
3372999394761.9
Volume
2.5621655801375E+18
Height
1315683.889269