31151221 (number)

31151221 is an odd 8-digits composite number following 31151220 and preceding 31151222. In scientific notation, it is written as 3.1151221 × 10^7. The sum of its digits is 16. It has a total of 2 prime factors and 4 positive divisors. There are 30426732 positive integers (up to 31151221) that are relatively prime to 31151221.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred fifty-one thousand two hundred twenty-one

Notation

Scientific notation 3.1151221 × 10^7
Engineering notation 3.1151221 × 10^6

Prime Factorization of 31151221

Prime Factorization 43 × 724447

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31151221
Product of the distinct prime numbers

The prime factorization of 31151221 is 43 × 724447. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 5, 84, 56, 871, 906, 8536, 4649, 9205, 25732, 844921, 792987, 6019734, 8809429, 73906256, 61872051, 390122287, 82137185, 3225565715, 1121259672

Basic calculations (n = 31151221)

Multiplication

n×y
n×2 62302442
n×3 93453663
n×4 124604884
n×5 155756105

Division

n÷y
n÷2 15575610.5
n÷3 10383740.333333
n÷3 7787805.25
n÷5 6230244.2

Exponentiation

ny
n2 970398569790841
n3 3.0229100305638E+22
n4 9.4167338425211E+29
n5 2.9334275702655E+37

Nth Root

y√n
2√n 5581.3278885943
3√n 314.64803553527
4√n 74.708285274086
5√n 31.527897851954

Divisors of 31151221

1, 43, 724447, 31151221

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 -31151220
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 31151221 can be divided by 4 positive divisors. The sum of these divisors (counting 31151221) is 1, the average is 0.25.

Base conversion 31151221

Base System Value
2 Binary 1110110110101010001110101
3 Ternary 2011121122102221
4 Quaternary 1312311101311
5 Quinary 30433314341
6 Senary 3031402341
8 Octal 166652165
10 Decimal 31151221
12 Duodecimal a5233b1
16 Hexadecimal 1db5475
20 Vigesimal 9edi11
36 Base36 ijofp

Cryptographic Hash Functions

md5 3d2bb9c49ba8b803cc2a51b4632944de
sha1 e3f897d9116fca8e275b82353c8b2cb2e6e5daa0
sha256 4cfff4ba6774b760753b39e30c4eea83e34ca2236e7a40bd04168918d9b2308b
sha512 2c9d8d003e5367f2a7b6278ce0bd5e25318ba3267b87fdba5721fb8e5813d8ab0a510ba6d999ecd64c428381342f6224d3505784abed2b9e25a3483309ba8d0c
ripemd-160 f5ff029ed4c8c060f30828dbab644ae9f9f208cb

31151221 as geometric shapes

Circle

Radius = n
Diameter 62302442
Circumference 195728894.0879
Area 3.0485970179089E+15

Sphere

Radius = n
Volume 1.2662335925976E+23
Surface area 1.2194388071636E+16
Circumference 195728894.0879

Square

Length = n
Perimeter 124604884
Area 970398569790841
Diagonal 44054479.222682

Cube

Length = n
Surface area 5822391418745046
Volume 3.0229100305638E+22
Space diagonal 53955497.489807

Equilateral Triangle

Length = n
Perimeter 93453663
Area 4.2019490661748E+14
Altitude 26977748.744903

Triangular Pyramid

Length = n
Surface area 4.2019490661748E+14
Volume 3.5625336358809E+21
Height 14684826.407561