31028021 (number)

31028021 is an odd 8-digits composite number following 31028020 and preceding 31028022. In scientific notation, it is written as 3.1028021 × 10^7. The sum of its digits is 17. It has a total of 3 prime factors and 8 positive divisors. There are 30192480 positive integers (up to 31028021) that are relatively prime to 31028021.

Interesting facts

Basic properties

Name

Name thirty-one million twenty-eight thousand twenty-one

Notation

Scientific notation 3.1028021 × 10^7
Engineering notation 3.1028021 × 10^6

Prime Factorization of 31028021

Prime Factorization 41 × 1447 × 523

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31028021
Product of the distinct prime numbers

The prime factorization of 31028021 is 41 × 1447 × 523. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 2, 53, 81, 70, 656, 3675, 8590, 99851, 98878, 361064, 245272, 4605279, 7163438, 5441303, 42579731, 119810761, 240323272, 1937619730, 3179170529

Basic calculations (n = 31028021)

Multiplication

n×y
n×2 62056042
n×3 93084063
n×4 124112084
n×5 155140105

Division

n÷y
n÷2 15514010.5
n÷3 10342673.666667
n÷3 7757005.25
n÷5 6205604.2

Exponentiation

ny
n2 962738087176441
n3 2.987185758641E+22
n4 9.2686462450015E+29
n5 2.8758775033148E+37

Nth Root

y√n
2√n 5570.2801545344
3√n 314.2326868721
4√n 74.634309499951
5√n 31.502920363294

Divisors of 31028021

1, 41, 523, 1447, 21443, 59327, 756781, 31028021

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 -31028020
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 31028021 can be divided by 8 positive divisors. The sum of these divisors (counting 31028021) is 1, the average is 0.125.

Base conversion 31028021

Base System Value
2 Binary 1110110010111001100110101
3 Ternary 2011101101102222
4 Quaternary 1312113030311
5 Quinary 30420344041
6 Senary 3025012125
8 Octal 166271465
10 Decimal 31028021
12 Duodecimal a484045
16 Hexadecimal 1d97335
20 Vigesimal 9dia11
36 Base36 ih1dh

Cryptographic Hash Functions

md5 b5dfca0c8222bf6ba8b246d8ca04a3d2
sha1 d5d8f87ba01bfc82c9f5d9083a6a1d10d92a1280
sha256 2e7acd959af982b6f9213875802bcc275ffc8153a32c05dce098bb1d20897188
sha512 b176003838c6586106eb6eb700e70fba7516e2f4ac01ec6f6981561dec938c24dbf841b22200d35b0967194911f905c1e6ad05a1cb36ebee9898572d96783b02
ripemd-160 f069ebeea2ee462d70054de0c4356e814bdef679

31028021 as geometric shapes

Circle

Radius = n
Diameter 62056042
Circumference 194954805.65806
Area 3.0245309020046E+15

Sphere

Radius = n
Volume 1.2512694445673E+23
Surface area 1.2098123608018E+16
Circumference 194954805.65806

Square

Length = n
Perimeter 124112084
Area 962738087176441
Diagonal 43880248.111797

Cube

Length = n
Surface area 5776428523058646
Volume 2.987185758641E+22
Space diagonal 53742108.830314

Equilateral Triangle

Length = n
Perimeter 93084063
Area 4.1687782034282E+14
Altitude 26871054.415157

Triangular Pyramid

Length = n
Surface area 4.1687782034282E+14
Volume 3.5204321776649E+21
Height 14626749.370599