20145615 is an odd 8-digits composite number following 20145614
and preceding 20145616 . In scientific notation, it is written as 2.0145615 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 9209088 positive integers (up to 20145615) that are relatively prime to 20145615.
20145615 has 16 divisors, whose sum is 31576320
The reverse of 20145615 is 51654102
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred forty-five thousand six hundred fifteen
Scientific notation
2.0145615 × 10^7
Engineering notation
2.0145615 × 10^6
Prime Factorization
3 × 35 × 7 × 27409
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20145615
Product of the distinct prime numbers
The prime factorization of 20145615 is 3 × 35 × 7 × 27409.
Since it has a total of 4 prime factors.
4 , 5 , 91 , 20 , 678 , 422 , 6062 , 3260 , 45961 , 68194 , 428442 , 239479 , 3291187 , 1727240 , 51416275 , 98636000 , 442233122 , 281688346 , 2457949283 , 5449595679
n×2
40291230
n×3
60436845
n×4
80582460
n×5
100728075
n÷2
10072807.5
n÷3
6715205
n÷3
5036403.75
n÷5
4029123
n2
405845803728225
n3
8.1760133112744E+21
n4
1.6471081640381E+29
n5
3.3182006936068E+36
2 √n
4488.3866812029
3 √n
272.09893585899
4 √n
66.995422837705
5 √n
28.895892036862
1 , 3 , 7 , 21 , 35 , 105 , 245 , 735 , 27409 , 82227 , 191863 , 575589 , 959315 , 2877945 , 6715205 , 20145615
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
-20145614
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 20145615 can be divided by 16 positive divisors.
The sum of these divisors (counting 20145615) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110110010111001111
3
Ternary
1101220111120220
4
Quaternary
1030312113033
5
Quinary
20124124430
6
Senary
1555442423
8
Octal
114662717
10
Decimal
20145615
12
Duodecimal
68b6413
16
Hexadecimal
13365cf
20
Vigesimal
65i40f
36
Base36
bzsgf
md5
2bbd420f98022f07e7178d20d4f35337
sha1
33f710114d099986f22a15438eba04bc7f7d76bd
sha256
b611f40c99183bc5839b05863ae6eb246935b8d892ec3c45e6d630359b186da3
sha512
0af2a139df36c3fc2ad032080a7c1bf6dbca293e073f712301cf83e3690782f64197b85d37923f03dc8cdb00ea3d05151904fc08abaafde5fd9577828a9df8d1
ripemd-160
4e2f310a761015ce032346df9482ab138332bbb4
Diameter
40291230
Circumference
126578632.1721
Area
1.2750021954828E+15
Volume
3.4247604472469E+22
Surface area
5.1000087819313E+15
Circumference
126578632.1721
Perimeter
80582460
Area
405845803728225
Diagonal
28490201.955347
Surface area
2435074822369350
Volume
8.1760133112744E+21
Space diagonal
34893228.729722
Perimeter
60436845
Area
1.7573638802398E+14
Altitude
17446614.364861
Surface area
1.7573638802398E+14
Volume
9.635524092456E+20
Height
9496733.9851156