20187930 is an even 8-digits composite number following 20187929
and preceding 20187931 . In scientific notation, it is written as 2.0187930 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 32 positive divisors.
There are 4584000 positive integers (up to 20187930) that are relatively prime to 20187930.
20187930 has 32 divisors, whose sum is 41803776
The reverse of 20187930 is 03978102
Previous prime number is 251
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty million one hundred eighty-seven thousand nine hundred thirty
Scientific notation
2.0187930 × 10^7
Engineering notation
2.0187930 × 10^6
Prime Factorization
2 × 3 × 35 × 251 × 383
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20187930
Product of the distinct prime numbers
The prime factorization of 20187930 is 2 × 3 × 35 × 251 × 383.
Since it has a total of 5 prime factors.
5 , 7 , 19 , 78 , 362 , 538 , 7806 , 6337 , 32377 , 55599 , 659361 , 409601 , 5546335 , 4384284 , 63872983 , 58977035 , 493815703 , 558111195 , 2606243239 , 4207421810
n×2
40375860
n×3
60563790
n×4
80751720
n×5
100939650
n÷2
10093965
n÷3
6729310
n÷3
5046982.5
n÷5
4037586
n2
407552517684900
n3
8.2276416983465E+21
n4
1.660990546713E+29
n5
3.3531960887704E+36
2 √n
4493.0980403281
3 √n
272.28931334154
4 √n
67.030575413971
5 √n
28.908020767088
1 , 2 , 3 , 6 , 35 , 70 , 105 , 210 , 251 , 383 , 502 , 753 , 766 , 1149 , 1506 , 2298 , 8785 , 13405 , 17570 , 26355 , 26810 , 40215 , 52710 , 80430 , 96133 , 192266 , 288399 , 576798 , 3364655 , 6729310 , 10093965 , 20187930
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
-20187929
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 20187930 can be divided by 32 positive divisors.
The sum of these divisors (counting 20187930) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000000101100011010
3
Ternary
1101222122122010
4
Quaternary
1031000230122
5
Quinary
20132003210
6
Senary
2000410350
8
Octal
115005432
10
Decimal
20187930
12
Duodecimal
69169b6
16
Hexadecimal
1340b1a
20
Vigesimal
6639ga
36
Base36
c0p3u
md5
a0248d4311823de19bb077740444ff71
sha1
9556b8b46612cd41b296b661d9fc42b6f737f154
sha256
4caa5843a371642e0a1cce44288454286907377eb1f07ad4bf01ecb0b4a6492b
sha512
6657005ff4213d6f5c49ac0991f3d17e7767a1cb874720ce2384aec5e587d6d1d001de044e57627dd72d4434a5cb8cd6568ab68af9f6204cc81d7f362c5db16f
ripemd-160
1fdd7990dacf5410a7849b63eccfc63a0c97f371
Diameter
40375860
Circumference
126844505.15837
Area
1.2803639955109E+15
Volume
3.4463864954526E+22
Surface area
5.1214559820436E+15
Circumference
126844505.15837
Perimeter
80751720
Area
407552517684900
Diagonal
28550044.402239
Surface area
2445315106109400
Volume
8.2276416983465E+21
Space diagonal
34966520.459644
Perimeter
60563790
Area
1.7647541684572E+14
Altitude
17483260.229822
Surface area
1.7647541684572E+14
Volume
9.6963687301234E+20
Height
9516681.4674129