31021661 (number)

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.

Interesting facts

Basic properties

Name

Name thirty-one million twenty-one thousand six hundred sixty-one

Notation

Scientific notation 3.1021661 × 10^7
Engineering notation 3.1021661 × 10^6

Prime Factorization of 31021661

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.

Most popular turbo-numbers

Basic calculations (n = 31021661)

Multiplication

n×y
n×2 62043322
n×3 93064983
n×4 124086644
n×5 155108305

Division

n÷y
n÷2 15510830.5
n÷3 10340553.666667
n÷3 7755415.25
n÷5 6204332.2

Exponentiation

ny
n2 962343451198921
n3 2.9853492308663E+22
n4 9.2610491806545E+29
n5 2.8729312818659E+37

Nth Root

y√n
2√n 5569.7092383714
3√n 314.21121535067
4√n 74.63048464516
5√n 31.501628788798

Divisors of 31021661

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 conversion 31021661

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

Cryptographic Hash Functions

md5 ca0d670e5db0bbae9b1ed1a47ed81c3f
sha1 121724902fe8d64db57bb362009c9255a6aa2c07
sha256 43f88b9569b8cbfee06f8a52250cf6000af0839b1f04e928204a8a49d0d2b462
sha512 01f31d68c123f30b4473c030ce65ebe839513fcc88e9b81de00c12e49000b17adf90777a35fdd6bffcb9baf0d86881711386e6b2178c45987fd7d23d2b80707e
ripemd-160 bdfe3f6ce04a6c18b28ef05c4834abf509cbac79

31021661 as geometric shapes

Circle

Radius = n
Diameter 62043322
Circumference 194914844.59951
Area 3.0232911165168E+15

Sphere

Radius = n
Volume 1.2505001616119E+23
Surface area 1.2093164466067E+16
Circumference 194914844.59951

Square

Length = n
Perimeter 124086644
Area 962343451198921
Diagonal 43871253.713541

Cube

Length = n
Surface area 5774060707193526
Volume 2.9853492308663E+22
Space diagonal 53731092.987178

Equilateral Triangle

Length = n
Perimeter 93064983
Area 4.1670693795193E+14
Altitude 26865546.493589

Triangular Pyramid

Length = n
Surface area 4.1670693795193E+14
Volume 3.518267808926E+21
Height 14623751.237847