31021661 is an odd 8-digits composite number following 31021660
and preceding 31021662 . In scientific notation, it is written as 3.1021661 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 26717040 positive integers (up to 31021661) that are relatively prime to 31021661.
31021661 has 8 divisors, whose sum is 35623200
The reverse of 31021661 is 16612013
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 20
Digital Root 2
Name
thirty-one million twenty-one thousand six hundred sixty-one
Scientific notation
3.1021661 × 10^7
Engineering notation
3.1021661 × 10^6
Prime Factorization
11 × 19 × 148429
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
31021661
Product of the distinct prime numbers
The prime factorization of 31021661 is 11 × 19 × 148429.
Since it has a total of 3 prime factors.
7 , 1 , 41 , 58 , 142 , 676 , 3230 , 5432 , 75435 , 64507 , 58083 , 567021 , 579520 , 1529512 , 62044304 , 72344672 , 983305986 , 726717703 , 6558536886 , 5172601638
n×2
62043322
n×3
93064983
n×4
124086644
n×5
155108305
n÷2
15510830.5
n÷3
10340553.666667
n÷3
7755415.25
n÷5
6204332.2
n2
962343451198921
n3
2.9853492308663E+22
n4
9.2610491806545E+29
n5
2.8729312818659E+37
2 √n
5569.7092383714
3 √n
314.21121535067
4 √n
74.63048464516
5 √n
31.501628788798
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
-31021660
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 31021661 can be divided by 8 positive divisors.
The sum of these divisors (counting 31021661) is 1, the average is 0.125.
Base
System
Value
2
Binary
1110110010101101001011101
3
Ternary
2011101001201102
4
Quaternary
1312111221131
5
Quinary
30420143121
6
Senary
3024522445
8
Octal
166255135
10
Decimal
31021661
12
Duodecimal
a480425
16
Hexadecimal
1d95a5d
20
Vigesimal
9dhe31
36
Base36
igwgt
md5
ca0d670e5db0bbae9b1ed1a47ed81c3f
sha1
121724902fe8d64db57bb362009c9255a6aa2c07
sha256
43f88b9569b8cbfee06f8a52250cf6000af0839b1f04e928204a8a49d0d2b462
sha512
01f31d68c123f30b4473c030ce65ebe839513fcc88e9b81de00c12e49000b17adf90777a35fdd6bffcb9baf0d86881711386e6b2178c45987fd7d23d2b80707e
ripemd-160
bdfe3f6ce04a6c18b28ef05c4834abf509cbac79
Diameter
62043322
Circumference
194914844.59951
Area
3.0232911165168E+15
Volume
1.2505001616119E+23
Surface area
1.2093164466067E+16
Circumference
194914844.59951
Perimeter
124086644
Area
962343451198921
Diagonal
43871253.713541
Surface area
5774060707193526
Volume
2.9853492308663E+22
Space diagonal
53731092.987178
Perimeter
93064983
Area
4.1670693795193E+14
Altitude
26865546.493589
Surface area
4.1670693795193E+14
Volume
3.518267808926E+21
Height
14623751.237847