20978078 is an even 8-digits composite number following 20978077
and preceding 20978079 . In scientific notation, it is written as 2.0978078 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 32 positive divisors.
There are 9100000 positive integers (up to 20978078) that are relatively prime to 20978078.
20978078 has 32 divisors, whose sum is 35925120
The reverse of 20978078 is 87087902
Previous prime number is 131
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty million nine hundred seventy-eight thousand seventy-eight
Scientific notation
2.0978078 × 10^7
Engineering notation
2.0978078 × 10^6
Prime Factorization
2 × 29 × 11 × 131 × 251
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20978078
Product of the distinct prime numbers
The prime factorization of 20978078 is 2 × 29 × 11 × 131 × 251.
Since it has a total of 5 prime factors.
7 , 4 , 30 , 53 , 906 , 268 , 3701 , 3889 , 84171 , 15491 , 945498 , 74167 , 4289759 , 9942614 , 39946224 , 1319736 , 500437854 , 511054796 , 1258863223 , 7850858430
n×2
41956156
n×3
62934234
n×4
83912312
n×5
104890390
n÷2
10489039
n÷3
6992692.6666667
n÷3
5244519.5
n÷5
4195615.6
n2
440079756574084
n3
9.2320274596321E+21
n4
1.9367019214631E+29
n5
4.0628283971202E+36
2 √n
4580.1831841096
3 √n
275.7963824103
4 √n
67.677050645766
5 √n
29.130848807089
1 , 2 , 11 , 22 , 29 , 58 , 131 , 251 , 262 , 319 , 502 , 638 , 1441 , 2761 , 2882 , 3799 , 5522 , 7279 , 7598 , 14558 , 32881 , 41789 , 65762 , 80069 , 83578 , 160138 , 361691 , 723382 , 953549 , 1907098 , 10489039 , 20978078
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20978077
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20978078 can be divided by 32 positive divisors.
The sum of these divisors (counting 20978078) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000001100110011110
3
Ternary
1110110210111212
4
Quaternary
1100001212132
5
Quinary
20332244303
6
Senary
2025344422
8
Octal
120014636
10
Decimal
20978078
12
Duodecimal
7038112
16
Hexadecimal
140199e
20
Vigesimal
6b253i
36
Base36
chmse
md5
cd91db14ef7a206f8166371aeda5082c
sha1
24b2e1de33499930bed000001f01cf70f1c93830
sha256
7a27b6ef705b2a0fab39612108d01a710de0ba4f64e9894456c94224ef88b7c1
sha512
258b002b6a2e4fd9f66e277e000a154a063f21a6580dea83474d7dcc5fcc357303e49b7a5ba0fe933585d41779a3d70ccf127beb76f340c0cb878352b2fa416a
ripemd-160
ff90234705123e6d271b9fc34a1a73e994e86f9d
Diameter
41956156
Circumference
131809151.46247
Area
1.3825513302467E+15
Volume
3.8671026193226E+22
Surface area
5.5302053209869E+15
Circumference
131809151.46247
Perimeter
83912312
Area
440079756574084
Diagonal
29667482.420121
Surface area
2640478539444504
Volume
9.2320274596321E+21
Space diagonal
36335096.941143
Perimeter
62934234
Area
1.9056012444221E+14
Altitude
18167548.470571
Surface area
1.9056012444221E+14
Volume
1.0880048701344E+21
Height
9889160.8067069