20071881 is an odd 8-digits composite number following 20071880
and preceding 20071882 . In scientific notation, it is written as 2.0071881 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 13325688 positive integers (up to 20071881) that are relatively prime to 20071881.
20071881 has 16 divisors, whose sum is 27869184
The reverse of 20071881 is 18817002
Previous prime number is 383
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty million seventy-one thousand eight hundred eighty-one
Scientific notation
2.0071881 × 10^7
Engineering notation
2.0071881 × 10^6
Prime Factorization
3 × 27 × 383 × 647
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20071881
Product of the distinct prime numbers
The prime factorization of 20071881 is 3 × 27 × 383 × 647.
Since it has a total of 4 prime factors.
2 , 1 , 12 , 32 , 712 , 763 , 80 , 5446 , 47554 , 92103 , 843125 , 553159 , 2935467 , 6465249 , 2924287 , 69057449 , 907483719 , 191732997 , 3796956614 , 7537883733
n×2
40143762
n×3
60215643
n×4
80287524
n×5
100359405
n÷2
10035940.5
n÷3
6690627
n÷3
5017970.25
n÷5
4014376.2
n2
402880406878161
n3
8.08656758409E+21
n4
1.6231262224631E+29
n5
3.2579196385259E+36
2 √n
4480.1652871295
3 √n
271.76656460487
4 √n
66.93403683575
5 √n
28.87470890765
1 , 3 , 27 , 81 , 383 , 647 , 1149 , 1941 , 10341 , 17469 , 31023 , 52407 , 247801 , 743403 , 6690627 , 20071881
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
-20071880
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 20071881 can be divided by 16 positive divisors.
The sum of these divisors (counting 20071881) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100100100010111001001
3
Ternary
1101202202110000
4
Quaternary
1030210113021
5
Quinary
20114300011
6
Senary
1554113213
8
Octal
114442711
10
Decimal
20071881
12
Duodecimal
687b809
16
Hexadecimal
13245c9
20
Vigesimal
658je1
36
Base36
by7k9
md5
8f8828435db2bc079cc61b6d83199d7f
sha1
560aa799fe4af6052ee56daad776ae9968bc23bf
sha256
c491bb44415f0bd75778340ea0a2e735f29d507f4469f0bf77642d60e2c9a036
sha512
e93805fb37d1973225dff7a8d0fb9e16db327dcfe58f8cf94b800ca73fe4ae54e64a73184c6e67e9c0a79ef9601231b35907a08092e780a4f4b504cec256b607
ripemd-160
ef4389cca1a204caacf026eba6073f8497c78761
Diameter
40143762
Circumference
126115347.78666
Area
1.2656861265237E+15
Volume
3.3872935086579E+22
Surface area
5.0627445060948E+15
Circumference
126115347.78666
Perimeter
80287524
Area
402880406878161
Diagonal
28385926.332539
Surface area
2417282441268966
Volume
8.08656758409E+21
Space diagonal
34765517.695476
Perimeter
60215643
Area
1.7445233352175E+14
Altitude
17382758.847738
Surface area
1.7445233352175E+14
Volume
9.5301112920556E+20
Height
9461975.4441796