20001979 is an odd 8-digits composite number following 20001978
and preceding 20001980 . In scientific notation, it is written as 2.0001979 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors.
There are 18526464 positive integers (up to 20001979) that are relatively prime to 20001979.
20001979 has 12 divisors, whose sum is 21585784
The reverse of 20001979 is 97910002
Previous prime number is 67
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million one thousand nine hundred seventy-nine
Scientific notation
2.0001979 × 10^7
Engineering notation
2.0001979 × 10^6
Prime Factorization
17 × 17 × 67 × 1033
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1176587
Product of the distinct prime numbers
The prime factorization of 20001979 is 17 × 17 × 67 × 1033.
Since it has a total of 4 prime factors.
3 , 2 , 10 , 46 , 157 , 529 , 2076 , 5518 , 69094 , 95160 , 352121 , 1726 , 7157656 , 1706524 , 75151954 , 59001845 , 427939636 , 903911861 , 3110874942 , 9344039213
n×2
40003958
n×3
60005937
n×4
80007916
n×5
100009895
n÷2
10000989.5
n÷3
6667326.3333333
n÷3
5000494.75
n÷5
4000395.8
n2
400079163916441
n3
8.0023750349942E+21
n4
1.6006333740008E+29
n5
3.2015835133463E+36
2 √n
4472.3572084528
3 √n
271.45071441831
4 √n
66.87568473259
5 √n
28.854569116167
1 , 17 , 67 , 289 , 1033 , 1139 , 17561 , 19363 , 69211 , 298537 , 1176587 , 20001979
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20001978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20001979 can be divided by 12 positive divisors.
The sum of these divisors (counting 20001979) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100010011010010111011
3
Ternary
1101122012120001
4
Quaternary
1030103102323
5
Quinary
20110030404
6
Senary
1552413431
8
Octal
114232273
10
Decimal
20001979
12
Duodecimal
6847277
16
Hexadecimal
13134bb
20
Vigesimal
6504ij
36
Base36
bwpmj
md5
a3f30bcc9602fc72ff3c6fe0ad65e3ac
sha1
47a89f98364f738ebcfeec63b9c6c28239d68e4e
sha256
d2721b7e7cbe433608153e466cf1efd004850f8677db2895cf37d8f17ec73fbf
sha512
11d39261042672e0ef490ac7c947ef8a1e7c0cce1905820492347db8a7333c0840ea7c2d3d71b657520e9ad84342177a707882c23374da2abc538b88b1f85d45
ripemd-160
ce85b38f6ccc4f18cbb327bbc5a777fbb26af937
Diameter
40003958
Circumference
125676140.56731
Area
1.2568857622142E+15
Volume
3.3520270161611E+22
Surface area
5.027543048857E+15
Circumference
125676140.56731
Perimeter
80007916
Area
400079163916441
Diagonal
28287069.976102
Surface area
2400474983498646
Volume
8.0023750349942E+21
Space diagonal
34644443.879926
Perimeter
60005937
Area
1.7323935973824E+14
Altitude
17322221.939963
Surface area
1.7323935973824E+14
Volume
9.4308894214039E+20
Height
9429023.3253673