20121900 is an even 8-digits composite number following 20121899
and preceding 20121901 . In scientific notation, it is written as 2.0121900 × 10^7.
The sum of its digits is 15. It has a total of 6 prime factors and 36 positive divisors.
There are 5365760 positive integers (up to 20121900) that are relatively prime to 20121900.
20121900 has 36 divisors, whose sum is 58220232
The reverse of 20121900 is 00912102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 15
Digital Root 6
Name
twenty million one hundred twenty-one thousand nine hundred
Scientific notation
2.0121900 × 10^7
Engineering notation
2.0121900 × 10^6
Prime Factorization
2 × 2 × 5 × 3 × 5 × 67073
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2012190
Product of the distinct prime numbers
The prime factorization of 20121900 is 2 × 2 × 5 × 3 × 5 × 67073.
Since it has a total of 6 prime factors.
4 , 5 , 96 , 81 , 755 , 9 , 6359 , 4149 , 26876 , 24545 , 5222 , 45503 , 3469352 , 5428339 , 65278269 , 82827822 , 832741145 , 61145956 , 4480005411 , 4525163780
n×2
40243800
n×3
60365700
n×4
80487600
n×5
100609500
n÷2
10060950
n÷3
6707300
n÷3
5030475
n÷5
4024380
n2
404890859610000
n3
8.1471733879865E+21
n4
1.6393660819572E+29
n5
3.2987160364536E+36
2 √n
4485.7440854333
3 √n
271.99212419526
4 √n
66.975697722632
5 √n
28.889085702281
1 , 2 , 3 , 4 , 5 , 6 , 10 , 12 , 15 , 20 , 25 , 30 , 50 , 60 , 75 , 100 , 150 , 300 , 67073 , 134146 , 201219 , 268292 , 335365 , 402438 , 670730 , 804876 , 1006095 , 1341460 , 1676825 , 2012190 , 3353650 , 4024380 , 5030475 , 6707300 , 10060950 , 20121900
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121899
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121900 can be divided by 36 positive divisors.
The sum of these divisors (counting 20121900) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1001100110000100100101100
3
Ternary
1101212022001120
4
Quaternary
1030300210230
5
Quinary
20122400100
6
Senary
1555140540
8
Octal
114604454
10
Decimal
20121900
12
Duodecimal
68a4750
16
Hexadecimal
133092c
20
Vigesimal
65f4f0
36
Base36
bza5o
md5
59dccbf8be3ebee6c55207f51dc98ccb
sha1
e6324aab8a7e94e8f9f1796685aad4e702a22c35
sha256
afaaa2dd8dbf427f0fc84a6065d0b21323f49040977f6a870dc59c5f4c0153b1
sha512
95a4a2c4e5449e9a94cc7a031e7dd1d7bea22ddf20bf46fcc73a7c29c34648dbaf8a54c670482ce694e485ac6fed0dd494a37d31899ec80548096d6a254a26ac
ripemd-160
9983c92cf533f7a0e4e40aa402079bf3b18f4fbd
Diameter
40243800
Circumference
126429626.43254
Area
1.2720021500564E+15
Volume
3.4126800084294E+22
Surface area
5.0880086002257E+15
Circumference
126429626.43254
Perimeter
80487600
Area
404890859610000
Diagonal
28456663.880715
Surface area
2429345157660000
Volume
8.1471733879865E+21
Space diagonal
34852153.14482
Perimeter
60365700
Area
1.7532288509119E+14
Altitude
17426076.57241
Surface area
1.7532288509119E+14
Volume
9.601535916913E+20
Height
9485554.6269051