20720907 is an odd 8-digits composite number following 20720906
and preceding 20720908 . In scientific notation, it is written as 2.0720907 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 12972960 positive integers (up to 20720907) that are relatively prime to 20720907.
20720907 has 16 divisors, whose sum is 22831872
The reverse of 20720907 is 70902702
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million seven hundred twenty thousand nine hundred seven
Scientific notation
2.0720907 × 10^7
Engineering notation
2.0720907 × 10^6
Prime Factorization
27 × 23 × 61 × 547
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20720907
Product of the distinct prime numbers
The prime factorization of 20720907 is 27 × 23 × 61 × 547.
Since it has a total of 4 prime factors.
9 , 1 , 87 , 28 , 314 , 101 , 8346 , 8705 , 27916 , 55770 , 669955 , 685915 , 5430566 , 3559451 , 14086946 , 82475473 , 253668706 , 742089473 , 5308579442 , 5587038773
n×2
41441814
n×3
62162721
n×4
82883628
n×5
103604535
n÷2
10360453.5
n÷3
6906969
n÷3
5180226.75
n÷5
4144181.4
n2
429355986902649
n3
8.896645474503E+21
n4
1.8434656348915E+29
n5
3.8198279978282E+36
2 √n
4552.0222978364
3 √n
274.66474627772
4 √n
67.468676419776
5 √n
29.059072755632
1 , 23 , 27 , 61 , 547 , 621 , 1403 , 1647 , 12581 , 14769 , 33367 , 37881 , 339687 , 767441 , 900909 , 20720907
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
-20720906
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 20720907 can be divided by 16 positive divisors.
The sum of these divisors (counting 20720907) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111000010110100001011
3
Ternary
1102222201202000
4
Quaternary
1033002310023
5
Quinary
20301032112
6
Senary
2020042043
8
Octal
117026413
10
Decimal
20720907
12
Duodecimal
6b33323
16
Hexadecimal
13c2d0b
20
Vigesimal
69a257
36
Base36
cc4cr
md5
91dc863650eccdf2403e2bc7c1f2facb
sha1
e7d8ebba329efbc812176e96f59c4e4ba5a7805b
sha256
72144e8161232a5abe5c6347ece02c9cf2b2f14698af7368cdc484f4725378e2
sha512
698e4c74777271d5ff9cdccb4ebc31cab8833bd458edcb38b1bffd8f7484a0ad837d7b933a09607786ed2b0e74917053e86c913de6f26dae9e708efa2088ca1d
ripemd-160
9a1608d0861ffd615536b21020b598066dfe6b36
Diameter
41441814
Circumference
130193298.41383
Area
1.3488616142282E+15
Volume
3.7266181419055E+22
Surface area
5.3954464569126E+15
Circumference
130193298.41383
Perimeter
82883628
Area
429355986902649
Diagonal
29303787.704072
Surface area
2576135921415894
Volume
8.896645474503E+21
Space diagonal
35889663.70291
Perimeter
62162721
Area
1.8591659596232E+14
Altitude
17944831.851455
Surface area
1.8591659596232E+14
Volume
1.0484797241389E+21
Height
9767929.2346905