20978069 is an odd 8-digits composite number following 20978068
and preceding 20978070 . In scientific notation, it is written as 2.0978069 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 17951040 positive integers (up to 20978069) that are relatively prime to 20978069.
20978069 has 8 divisors, whose sum is 24015168
The reverse of 20978069 is 96087902
Previous prime number is 691
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million nine hundred seventy-eight thousand sixty-nine
Scientific notation
2.0978069 × 10^7
Engineering notation
2.0978069 × 10^6
Prime Factorization
7 × 691 × 4337
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20978069
Product of the distinct prime numbers
The prime factorization of 20978069 is 7 × 691 × 4337.
Since it has a total of 3 prime factors.
9 , 9 , 97 , 5 , 49 , 740 , 6195 , 7186 , 83513 , 20624 , 982711 , 662608 , 8538707 , 454807 , 30011399 , 54388357 , 117647868 , 96852278 , 4310504023 , 5723532588
n×2
41956138
n×3
62934207
n×4
83912276
n×5
104890345
n÷2
10489034.5
n÷3
6992689.6666667
n÷3
5244517.25
n÷5
4195613.8
n2
440079378968761
n3
9.2320155774838E+21
n4
1.9366985979353E+29
n5
4.062819681969E+36
2 √n
4580.182201616
3 √n
275.79634296964
4 √n
67.677043387075
5 √n
29.13084630755
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
-20978068
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 20978069 can be divided by 8 positive divisors.
The sum of these divisors (counting 20978069) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000001100110010101
3
Ternary
1110110210111112
4
Quaternary
1100001212111
5
Quinary
20332244234
6
Senary
2025344405
8
Octal
120014625
10
Decimal
20978069
12
Duodecimal
7038105
16
Hexadecimal
1401995
20
Vigesimal
6b2539
36
Base36
chms5
md5
5073a9f078d0a89421fedfdc97c24c07
sha1
1abe1d4c922e07ecd0f80d0114aa1756633c8b90
sha256
bf2a622c27f3d7282d9c23fae7152b29f96d85bb90f9dfca10281c7d2f6a567d
sha512
ebf9315047f2def01706bd4bac5d4ccc1835989ac518422be50f2026cddf7085de50616507a85bf4e9ebd3585e8e63d6cd3cf1aed6e970f110921ed050b21a74
ripemd-160
58a88c7c25305ad04f536b68357d02f7394de203
Diameter
41956138
Circumference
131809094.9138
Area
1.3825501439646E+15
Volume
3.86709764214E+22
Surface area
5.5302005758585E+15
Circumference
131809094.9138
Perimeter
83912276
Area
440079378968761
Diagonal
29667469.692199
Surface area
2640476273812566
Volume
9.2320155774838E+21
Space diagonal
36335081.352686
Perimeter
62934207
Area
1.9055996093431E+14
Altitude
18167540.676343
Surface area
1.9055996093431E+14
Volume
1.0880034698098E+21
Height
9889156.5640662