90102021 is an odd 8-digits composite number following 90102020
and preceding 90102022 . In scientific notation, it is written as 9.0102021 × 10^7.
The sum of its digits is 15. It has a total of 2 prime factors and 4 positive divisors.
There are 60068012 positive integers (up to 90102021) that are relatively prime to 90102021.
90102021 has 4 divisors, whose sum is 120136032
The reverse of 90102021 is 12020109
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 15
Digital Root 6
Name
ninety million one hundred two thousand twenty-one
Scientific notation
9.0102021 × 10^7
Engineering notation
9.0102021 × 10^6
Prime Factorization
3 × 30034007
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
90102021
Product of the distinct prime numbers
The prime factorization of 90102021 is 3 × 30034007.
Since it has a total of 2 prime factors.
8 , 4 , 33 , 2 , 973 , 87 , 4844 , 3361 , 41939 , 400 , 498238 , 691958 , 7548359 , 2978931 , 44799912 , 58913681 , 860271208 , 458745818 , 6277253200 , 5568100660
n×2
180204042
n×3
270306063
n×4
360408084
n×5
450510105
n÷2
45051010.5
n÷3
30034007
n÷3
22525505.25
n÷5
18020404.2
n2
8118374188284441
n3
7.3148192159866E+23
n4
6.5907999461003E+31
n5
5.9384439515033E+39
2 √n
9492.2084363967
3 √n
448.30974308082
4 √n
97.427965371328
5 √n
38.989431826163
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-90102020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 90102021 can be divided by 4 positive divisors.
The sum of these divisors (counting 90102021) is 1, the average is 0.25.
Base
System
Value
2
Binary
101010111101101100100000101
3
Ternary
20021112122201220
4
Quaternary
11113231210011
5
Quinary
141031231041
6
Senary
12535110553
8
Octal
527554405
10
Decimal
90102021
12
Duodecimal
26212459
16
Hexadecimal
55ed905
20
Vigesimal
1832f11
36
Base36
1hn75x
md5
7f9b37c1558c0c399203a9911a071b8b
sha1
a7cca789d5f5b4d18b7f10bafb2ddcd7222ee5a5
sha256
2f9516cf68a8fd4fcb273dd2e95e9b9e82efbbe680199baa41ec5c2972aed6fb
sha512
f13ac56aae8c6841ace16e697b1e55b6a5037bed190bb868bcc8ba0e2d068895b798ad74eaf31d9eed4debb37241f2a65765720a37d66d0d33525354433513b6
ripemd-160
e4f5fb77b6937323bcd9c4be4f4d526cb2dbf0c0
Diameter
180204042
Circumference
566127694.49439
Area
2.5504624709007E+16
Volume
3.0640243081708E+24
Surface area
1.0201849883603E+17
Circumference
566127694.49439
Perimeter
360408084
Area
8118374188284441
Diagonal
127423500.09543
Surface area
48710245129706646
Volume
7.3148192159866E+23
Space diagonal
156061278.23664
Perimeter
270306063
Area
3.5153591422411E+15
Altitude
78030639.118319
Surface area
3.5153591422411E+15
Volume
8.620597117963E+22
Height
42474500.031808