Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

31491421 (number)

31491421 is an odd 8-digits composite number following 31491420 and preceding 31491422. In scientific notation, it is written as 3.1491421 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 29030400 positive integers (up to 31491421) that are relatively prime to 31491421.

Interesting facts

31491421 has 8 divisors, whose sum is 33958904
The reverse of 31491421 is 12419413
Previous prime number is 1201

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7

Name

Name	thirty-one million four hundred ninety-one thousand four hundred twenty-one

Notation

Scientific notation	3.1491421 × 10^7
Engineering notation	3.1491421 × 10^6

Prime Factorization of 31491421

Prime Factorization 13 × 1201 × 2017

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	31491421	Product of the distinct prime numbers

The prime factorization of 31491421 is 13 × 1201 × 2017. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 2, 94, 78, 356, 407, 1976, 1498, 81042, 31334, 885048, 531082, 3878766, 5817954, 61164702, 17912277, 372963795, 801807916, 5694877399, 8050775542

Basic calculations (n = 31491421)

Multiplication

n×y

n×2	62982842
n×3	94474263
n×4	125965684
n×5	157457105

Division

n÷y

n÷2	15745710.5
n÷3	10497140.333333
n÷3	7872855.25
n÷5	6298284.2

Exponentiation

n^y

n²	991709596599241
n³	3.1230344416247E+22
n⁴	9.8348792398703E+29
n⁵	3.0971432262692E+37

Nth Root

^y√n

²√n	5611.7217500514
³√n	315.7893063542
⁴√n	74.911426031357
⁵√n	31.596461721945

Divisors of 31491421

1, 13, 1201, 2017, 15613, 26221, 2422417, 31491421

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	-31491420	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 31491421 can be divided by 8 positive divisors. The sum of these divisors (counting 31491421) is 1, the average is 0.125.

Base conversion 31491421

Base	System	Value
2	Binary	1111000001000010101011101
3	Ternary	2012020221002221
4	Quaternary	1320020111131
5	Quinary	31030211141
6	Senary	3042545341
8	Octal	170102535
10	Decimal	31491421
12	Duodecimal	a668251
16	Hexadecimal	1e0855d
20	Vigesimal	9gg8b1
36	Base36	iqyxp

Cryptographic Hash Functions

md5	3ef4fbc9c33d58e54d459d3886f07807
sha1	fa6a859dfeb1388378cb89b513ec159b559e3112
sha256	fb8f7769b29d5ae93fdf44d3e2bfcaef78058b0b119a30f8f24e63e60afcdfe0
sha512	00b4a95ae67903d54b2ca29f33afa2c9fe756a6a5c80b9ea1d164c784f1acb06df6bc4de1376a7c4675ee859b29d2b73f71275957b9c6f8dc813f142ba7f12ea
ripemd-160	12ed678379586ce395aee43e65bafe8aca96037b

31491421 as geometric shapes

Circle

Radius = n

Diameter	62982842
Circumference	197866433.72941
Area	3.1155475831707E+15

Sphere

Radius = n

Volume	1.3081736078288E+23
Surface area	1.2462190332683E+16
Circumference	197866433.72941

Square

Length = n

Perimeter	125965684
Area	991709596599241
Diagonal	44535594.676601

Cube

Length = n

Surface area	5950257579595446
Volume	3.1230344416247E+22
Space diagonal	54544741.174541

Equilateral Triangle

Length = n

Perimeter	94474263
Area	4.2942285191588E+14
Altitude	27272370.587271

Triangular Pyramid

Length = n

Surface area	4.2942285191588E+14
Volume	3.6805313859199E+21
Height	14845198.225534