3978021 is an odd 7-digits composite number following 3978020
and preceding 3978022 . In scientific notation, it is written as 3.978021 × 10^6.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 2568384 positive integers (up to 3978021) that are relatively prime to 3978021.
3978021 has 16 divisors, whose sum is 5474304
The reverse of 3978021 is 1208793
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 30
Digital Root 3
Name
three million nine hundred seventy-eight thousand twenty-one
Scientific notation
3.978021 × 10^6
Engineering notation
3.978021 × 10^6
Prime Factorization
3 × 53 × 127 × 197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3978021
Product of the distinct prime numbers
The prime factorization of 3978021 is 3 × 53 × 127 × 197.
Since it has a total of 4 prime factors.
5 , 3 , 26 , 1 , 257 , 928 , 9202 , 5759 , 38500 , 7558 , 690584 , 556035 , 5420957 , 9451612 , 78086148 , 67041900 , 739881864 , 251761382 , 8270609219 , 9694152706
n×2
7956042
n×3
11934063
n×4
15912084
n×5
19890105
n÷2
1989010.5
n÷3
1326007
n÷3
994505.25
n÷5
795604.2
n2
15824651076441
n3
6.2950794299755E+19
n4
2.5041958169111E+26
n5
9.9617435477843E+32
2 √n
1994.4976811217
3 √n
158.44882530919
4 √n
44.659799385149
5 √n
20.889758260541
1 , 3 , 53 , 127 , 159 , 197 , 381 , 591 , 6731 , 10441 , 20193 , 25019 , 31323 , 75057 , 1326007 , 3978021
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
-3978020
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 3978021 can be divided by 16 positive divisors.
The sum of these divisors (counting 3978021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1111001011001100100101
3
Ternary
21111002211010
4
Quaternary
33023030211
5
Quinary
2004244041
6
Senary
221132433
8
Octal
17131445
10
Decimal
3978021
12
Duodecimal
13ba119
16
Hexadecimal
3cb325
20
Vigesimal
14h511
36
Base36
2d9gl
md5
03435ae2022381e23342e2304be165d7
sha1
0ef5038bf4fea9c35c8096594779020b2a0045ed
sha256
ca8c82ead9e64d5d0d34cf67f5f12ba4c707400759242d7db20c2e956e8f92bb
sha512
68714140a385aecf52fb2a016c2597a5bfb57e10b85c64078ea5e7f8988da010235189fec1a17ec0761400b015027910ad14415e8e9f315b98ece2e98d9736d5
ripemd-160
e1c6bb623e5bdce420cbd89d54411c5818057c01
Diameter
7956042
Circumference
24994643.098852
Area
49714607567369
Volume
2.6368767054634E+20
Surface area
1.9885843026948E+14
Circumference
24994643.098852
Perimeter
15912084
Area
15824651076441
Diagonal
5625771.249605
Surface area
94947906458646
Volume
6.2950794299755E+19
Space diagonal
6890134.485576
Perimeter
11934063
Area
6852274919111.3
Altitude
3445067.242788
Surface area
6852274919111.3
Volume
7.4188222550727E+18
Height
1875257.0832017