90402021 is an odd 8-digits composite number following 90402020
and preceding 90402022 . In scientific notation, it is written as 9.0402021 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 60267996 positive integers (up to 90402021) that are relatively prime to 90402021.
90402021 has 8 divisors, whose sum is 133928960
The reverse of 90402021 is 12020409
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
ninety million four hundred two thousand twenty-one
Scientific notation
9.0402021 × 10^7
Engineering notation
9.0402021 × 10^6
Prime Factorization
9 × 3 × 3348223
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
90402021
Product of the distinct prime numbers
The prime factorization of 90402021 is 9 × 3 × 3348223.
Since it has a total of 3 prime factors.
7 , 9 , 65 , 12 , 97 , 860 , 6871 , 8451 , 74514 , 9478 , 446890 , 378056 , 1985246 , 7980840 , 91832000 , 50690878 , 853157110 , 936586604 , 2723910685 , 8611895758
n×2
180804042
n×3
271206063
n×4
361608084
n×5
452010105
n÷2
45201010.5
n÷3
30134007
n÷3
22600505.25
n÷5
18080404.2
n2
8172525400884441
n3
7.3881281291379E+23
n4
6.6790171428101E+31
n5
6.0379664800368E+39
2 √n
9507.997738746
3 √n
448.80674980554
4 √n
97.508962350884
5 √n
39.015360839415
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-90402020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 90402021 can be divided by 8 positive divisors.
The sum of these divisors (counting 90402021) is 1, the average is 0.125.
Base
System
Value
2
Binary
101011000110110110011100101
3
Ternary
20022002220021000
4
Quaternary
11120312303211
5
Quinary
141120331041
6
Senary
12545343513
8
Octal
530666345
10
Decimal
90402021
12
Duodecimal
26337b99
16
Hexadecimal
5636ce5
20
Vigesimal
1850511
36
Base36
1htmn9
md5
d18d5a5f6a7d7a84a211bedbe74c1af4
sha1
0b090a8ee0d7f661f66970f911e258b959bb9213
sha256
2e2e477bff8d6d1bf009c1b25f63209fc9a2b329835ddc359c7d1530971a6926
sha512
2c0d94c033e60b7af44aee7e387cab2b86b7814d77946f6cbf2c725ee71492c1ac59551f437ab9b9b37c70b3a416821b44b69c4836121a1db5e1db1fc7b3131e
ripemd-160
f0b99df29fdc563582054e4674db681c0fe5aad3
Diameter
180804042
Circumference
568012650.08654
Area
2.5674745760695E+16
Volume
3.094731873904E+24
Surface area
1.0269898304278E+17
Circumference
568012650.08654
Perimeter
361608084
Area
8172525400884441
Diagonal
127847764.16414
Surface area
49035152405306646
Volume
7.3881281291379E+23
Space diagonal
156580893.47891
Perimeter
271206063
Area
3.5388073051198E+15
Altitude
78290446.739454
Surface area
3.5388073051198E+15
Volume
8.7069925006475E+22
Height
42615921.388046