20978072 is an even 8-digits composite number following 20978071
and preceding 20978073 . In scientific notation, it is written as 2.0978072 × 10^7.
The sum of its digits is 35. It has a total of 5 prime factors and 16 positive divisors.
There are 10150560 positive integers (up to 20978072) that are relatively prime to 20978072.
20978072 has 16 divisors, whose sum is 40603200
The reverse of 20978072 is 27087902
Previous prime number is 31
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million nine hundred seventy-eight thousand seventy-two
Scientific notation
2.0978072 × 10^7
Engineering notation
2.0978072 × 10^6
Prime Factorization
2 × 2 × 2 × 31 × 84589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
5244518
Product of the distinct prime numbers
The prime factorization of 20978072 is 2 × 2 × 2 × 31 × 84589.
Since it has a total of 5 prime factors.
2 , 3 , 81 , 49 , 796 , 950 , 260 , 7974 , 86029 , 11237 , 185987 , 746784 , 9287509 , 8706868 , 32865277 , 80256174 , 17617257 , 112576316 , 899614602 , 9755398570
n×2
41956144
n×3
62934216
n×4
83912288
n×5
104890360
n÷2
10489036
n÷3
6992690.6666667
n÷3
5244518
n÷5
4195614.4
n2
440079504837184
n3
9.2320195381988E+21
n4
1.9366997057774E+29
n5
4.0628225870177E+36
2 √n
4580.1825291139
3 √n
275.79635611652
4 √n
67.677045806639
5 √n
29.13084714073
1 , 2 , 4 , 8 , 31 , 62 , 124 , 248 , 84589 , 169178 , 338356 , 676712 , 2622259 , 5244518 , 10489036 , 20978072
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
-20978071
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 20978072 can be divided by 16 positive divisors.
The sum of these divisors (counting 20978072) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000001100110011000
3
Ternary
1110110210111122
4
Quaternary
1100001212120
5
Quinary
20332244242
6
Senary
2025344412
8
Octal
120014630
10
Decimal
20978072
12
Duodecimal
7038108
16
Hexadecimal
1401998
20
Vigesimal
6b253c
36
Base36
chms8
md5
2ae32058fc3484a531da391fd0de9efe
sha1
d9f0e00ff645a54e1c375c0ee110fd17289698bb
sha256
872091681c8499199de1542c27f191531e3058c6ea7412f45f0e155220a6de5f
sha512
025aef60fb57003aef599dc580cbcc6b6f2a812aeef2e8f467f90e7699f045f8f25df2c6863711f8b908e5e037a98426e50d394bae3a2ff6f231faa7b380d738
ripemd-160
5b93a64fb649e401e973d9c745d5a2e6dbca4ad5
Diameter
41956144
Circumference
131809113.76336
Area
1.3825505393919E+15
Volume
3.8670993012004E+22
Surface area
5.5302021575677E+15
Circumference
131809113.76336
Perimeter
83912288
Area
440079504837184
Diagonal
29667473.934839
Surface area
2640477029023104
Volume
9.2320195381988E+21
Space diagonal
36335086.548838
Perimeter
62934216
Area
1.9056001543694E+14
Altitude
18167543.274419
Surface area
1.9056001543694E+14
Volume
1.0880039365845E+21
Height
9889157.9782798