20992907 is an odd 8-digits composite number following 20992906
and preceding 20992908 . In scientific notation, it is written as 2.0992907 × 10^7.
The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors.
There are 19131840 positive integers (up to 20992907) that are relatively prime to 20992907.
20992907 has 4 divisors, whose sum is 21014376
The reverse of 20992907 is 70929902
Previous prime number is 1027
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million nine hundred ninety-two thousand nine hundred seven
Scientific notation
2.0992907 × 10^7
Engineering notation
2.0992907 × 10^6
Prime Factorization
1027 × 20441
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20992907
Product of the distinct prime numbers
The prime factorization of 20992907 is 1027 × 20441.
Since it has a total of 2 prime factors.
3 , 3 , 19 , 95 , 373 , 251 , 3981 , 1525 , 28684 , 12460 , 318516 , 712775 , 6438741 , 249891 , 37516286 , 91515109 , 696659112 , 865000759 , 2946579959 , 4548922380
n×2
41985814
n×3
62978721
n×4
83971628
n×5
104964535
n÷2
10496453.5
n÷3
6997635.6666667
n÷3
5248226.75
n÷5
4198581.4
n2
440702144310649
n3
9.251619130214E+21
n4
1.9421838E+29
n5
4.0772083890307E+36
2 √n
4581.8017198478
3 √n
275.86135215744
4 √n
67.689007378213
5 √n
29.134966050481
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20992906
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20992907 can be divided by 4 positive divisors.
The sum of these divisors (counting 20992907) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000000101001110001011
3
Ternary
1110111112212002
4
Quaternary
1100011032023
5
Quinary
20333233112
6
Senary
2025541215
8
Octal
120051613
10
Decimal
20992907
12
Duodecimal
704480b
16
Hexadecimal
140538b
20
Vigesimal
6b4257
36
Base36
chy8b
md5
2172378bb5fd7b482861a73a25ee25cd
sha1
82b66cc2dc46b9eb43407b86d9ed994a720dfdc0
sha256
fedc2963e6123e338daa568faff55b74bde4ca5df928aef718fbecb0dc52ff4d
sha512
f48232f52f1ac39741c1d1c4661c734f7a1d53d71425c952a212e0597a38c1ff0bdf813a0b64d7f9640f1f97f9c2fd8baf0854ebf9604e39dd661ef0689e217c
ripemd-160
aac876f593239a6476f3b29c2eb3efb84ea7f68c
Diameter
41985814
Circumference
131902324.81739
Area
1.3845066189876E+15
Volume
3.8753091591055E+22
Surface area
5.5380264759504E+15
Circumference
131902324.81739
Perimeter
83971628
Area
440702144310649
Diagonal
29688453.793037
Surface area
2644212865863894
Volume
9.251619130214E+21
Space diagonal
36360781.522568
Perimeter
62978721
Area
1.9082962623765E+14
Altitude
18180390.761284
Surface area
1.9082962623765E+14
Volume
1.0903137706549E+21
Height
9896151.2643457