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

31621381 (number)

31621381 is an odd 8-digits composite number following 31621380 and preceding 31621382. In scientific notation, it is written as 3.1621381 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 28535520 positive integers (up to 31621381) that are relatively prime to 31621381.

Interesting facts

31621381 has 8 divisors, whose sum is 34749504
The reverse of 31621381 is 18312613
Previous prime number is 137

Basic properties

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

Name

Name	thirty-one million six hundred twenty-one thousand three hundred eighty-one

Notation

Scientific notation	3.1621381 × 10^7
Engineering notation	3.1621381 × 10^6

Prime Factorization of 31621381

Prime Factorization 11 × 137 × 20983

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	31621381	Product of the distinct prime numbers

The prime factorization of 31621381 is 11 × 137 × 20983. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 4, 84, 62, 189, 9, 9061, 4223, 52500, 58164, 38600, 506906, 6253306, 485506, 44987424, 83602087, 504612942, 452274074, 1430852565, 9747562177

Basic calculations (n = 31621381)

Multiplication

n×y

n×2	63242762
n×3	94864143
n×4	126485524
n×5	158106905

Division

n÷y

n÷2	15810690.5
n÷3	10540460.333333
n÷3	7905345.25
n÷5	6324276.2

Exponentiation

n^y

n²	999911736347161
n³	3.1618589981405E+22
n⁴	9.9982348048479E+29
n⁵	3.1615799209156E+37

Nth Root

^y√n

²√n	5623.2891620474
³√n	316.22311394279
⁴√n	74.988593546268
⁵√n	31.62249747642

Divisors of 31621381

1, 11, 137, 1507, 20983, 230813, 2874671, 31621381

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	-31621380	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 31621381 can be divided by 8 positive divisors. The sum of these divisors (counting 31621381) is 1, the average is 0.125.

Base conversion 31621381

Base	System	Value
2	Binary	1111000101000000100000101
3	Ternary	2012111112101021
4	Quaternary	1320220010011
5	Quinary	31043341011
6	Senary	3045431141
8	Octal	170500405
10	Decimal	31621381
12	Duodecimal	a70b4b1
16	Hexadecimal	1e28105
20	Vigesimal	9hcd91
36	Base36	itr7p

Cryptographic Hash Functions

md5	7bf4946b68b83c8c06346d5d2b523480
sha1	d3b07820b1d1a90d752b08fbe2307d276adbda90
sha256	ab456a17bd3af208a7931b568e3836ab619f8ff77adafcb1edad7bd6790837ab
sha512	c32c9e05aee1a180c67853f83c6648820c9321203160165051890643b762f72f22e80a4115a04bb55287da68120b06682ce2a8b4846cde212fd21d805e23a4cf
ripemd-160	9292295edead71de9081419c078464344784ea47

31621381 as geometric shapes

Circle

Radius = n

Diameter	63242762
Circumference	198682996.49193
Area	3.1413153651465E+15

Sphere

Radius = n

Volume	1.3244364000327E+23
Surface area	1.2565261460586E+16
Circumference	198682996.49193

Square

Length = n

Perimeter	126485524
Area	999911736347161
Diagonal	44719385.871167

Cube

Length = n

Surface area	5999470418082966
Volume	3.1618589981405E+22
Space diagonal	54769838.497493

Equilateral Triangle

Length = n

Perimeter	94864143
Area	4.3297448260942E+14
Altitude	27384919.248747

Triangular Pyramid

Length = n

Surface area	4.3297448260942E+14
Volume	3.7262865645681E+21
Height	14906461.957056