31389957 (number)

31389957 is an odd 8-digits composite number following 31389956 and preceding 31389958. In scientific notation, it is written as 3.1389957 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors. There are 19350576 positive integers (up to 31389957) that are relatively prime to 31389957.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred eighty-nine thousand nine hundred fifty-seven

Notation

Scientific notation 3.1389957 × 10^7
Engineering notation 3.1389957 × 10^6

Prime Factorization of 31389957

Prime Factorization 9 × 3 × 19 × 43 × 1423

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 31389957
Product of the distinct prime numbers

The prime factorization of 31389957 is 9 × 3 × 19 × 43 × 1423. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 9, 50, 26, 90, 952, 3132, 3707, 17990, 8490, 202424, 480452, 9189310, 1720271, 69399917, 83929225, 797559837, 867198944, 5073799331, 7195640813

Basic calculations (n = 31389957)

Multiplication

n×y
n×2 62779914
n×3 94169871
n×4 125559828
n×5 156949785

Division

n÷y
n÷2 15694978.5
n÷3 10463319
n÷3 7847489.25
n÷5 6277991.4

Exponentiation

ny
n2 985329400461849
n3 3.0929447511333E+22
n4 9.7087402741451E+29
n5 3.0475693972958E+37

Nth Root

y√n
2√n 5602.6740936806
3√n 315.44978828094
4√n 74.851012642987
5√n 31.576074943524

Divisors of 31389957

1, 3, 9, 19, 27, 43, 57, 129, 171, 387, 513, 817, 1161, 1423, 2451, 4269, 7353, 12807, 22059, 27037, 38421, 61189, 81111, 183567, 243333, 550701, 729999, 1162591, 1652103, 3487773, 10463319, 31389957

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31389956
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31389957 can be divided by 32 positive divisors. The sum of these divisors (counting 31389957) is 1, the average is 0.03125.

Base conversion 31389957

Base System Value
2 Binary 1110111101111100100000101
3 Ternary 2012001202221000
4 Quaternary 1313233210011
5 Quinary 31013434312
6 Senary 3040443513
8 Octal 167574405
10 Decimal 31389957
12 Duodecimal a619599
16 Hexadecimal 1def905
20 Vigesimal 9g3ehh
36 Base36 iosn9

Cryptographic Hash Functions

md5 a5737249c0d435ee0214fce2c2a21114
sha1 ee72f596a78cdf0d5bc5ac59eb5e15b6ccd3bafc
sha256 4f7a9f7a10e825eb276566068c8e50053a4c070e5ba7f6e09b581d1256627d87
sha512 fc21859a55c67537cf9dbcd7dddac52cd03c77676ea9c4381d526a28c4045e30a326150346b24c35dbce04a3a680e5a3badf55afcfa371a9e15ca9b61daa2fd3
ripemd-160 1b730d88a19572fe15f06e365d5660aa1a542499

31389957 as geometric shapes

Circle

Radius = n
Diameter 62779914
Circumference 197228916.6154
Area 3.095503605857E+15

Sphere

Radius = n
Volume 1.2955696677493E+23
Surface area 1.2382014423428E+16
Circumference 197228916.6154

Square

Length = n
Perimeter 125559828
Area 985329400461849
Diagonal 44392102.911708

Cube

Length = n
Surface area 5911976402771094
Volume 3.0929447511333E+22
Space diagonal 54369000.371402

Equilateral Triangle

Length = n
Perimeter 94169871
Area 4.2666014594783E+14
Altitude 27184500.185701

Triangular Pyramid

Length = n
Surface area 4.2666014594783E+14
Volume 3.6450703456029E+21
Height 14797367.637236