20149287 is an odd 8-digits composite number following 20149286
and preceding 20149288 . In scientific notation, it is written as 2.0149287 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 12499200 positive integers (up to 20149287) that are relatively prime to 20149287.
20149287 has 16 divisors, whose sum is 27936480
The reverse of 20149287 is 78294102
Previous prime number is 961
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
twenty million one hundred forty-nine thousand two hundred eighty-seven
Scientific notation
2.0149287 × 10^7
Engineering notation
2.0149287 × 10^6
Prime Factorization
3 × 29 × 961 × 241
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20149287
Product of the distinct prime numbers
The prime factorization of 20149287 is 3 × 29 × 961 × 241.
Since it has a total of 4 prime factors.
9 , 4 , 32 , 100 , 311 , 443 , 7357 , 3032 , 16474 , 81453 , 210200 , 352462 , 8968936 , 2047404 , 78746405 , 88794870 , 106144245 , 669264804 , 9482710639 , 8217581069
n×2
40298574
n×3
60447861
n×4
80597148
n×5
100746435
n÷2
10074643.5
n÷3
6716429
n÷3
5037321.75
n÷5
4029857.4
n2
405993766608369
n3
8.180484923603E+21
n4
1.6483093852485E+29
n5
3.3212258868166E+36
2 √n
4488.79571823
3 √n
272.11546694351
4 √n
66.998475491835
5 √n
28.896945347772
1 , 3 , 29 , 87 , 241 , 723 , 961 , 2883 , 6989 , 20967 , 27869 , 83607 , 231601 , 694803 , 6716429 , 20149287
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
-20149286
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 20149287 can be divided by 16 positive divisors.
The sum of these divisors (counting 20149287) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110111010000100111
3
Ternary
1101220200121220
4
Quaternary
1030313100213
5
Quinary
20124234122
6
Senary
1555511423
8
Octal
114672047
10
Decimal
20149287
12
Duodecimal
68b8573
16
Hexadecimal
1337427
20
Vigesimal
65id47
36
Base36
bzvaf
md5
54906de9658e5b092c9ab11502d2da57
sha1
66062133bfedff1bbe4c6307d79f114505860f3d
sha256
e06d79120d7a9c4aa8d20b1565e83f324a7707b7aed0cbc9c8bd9fb32c8e8e30
sha512
d6ead298592d4d9ff15375adf5f21db5feb7bb5ded891245fa572764cbf10bec298c1935b64cb876ab638e2893aec0df2a8e016e5c39c546b4270c767b2b432e
ripemd-160
7c7ff8bd62d92dad9378b740ece6c691d6428b51
Diameter
40298574
Circumference
126601704.02854
Area
1.2754670345801E+15
Volume
3.4266335118391E+22
Surface area
5.1018681383204E+15
Circumference
126601704.02854
Perimeter
80597148
Area
405993766608369
Diagonal
28495394.947548
Surface area
2435962599650214
Volume
8.180484923603E+21
Space diagonal
34899588.820287
Perimeter
60447861
Area
1.7580045783049E+14
Altitude
17449794.410144
Surface area
1.7580045783049E+14
Volume
9.6407939381234E+20
Height
9498464.982516