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

61809881 (number)

61809881 is an odd 8-digits composite number following 61809880 and preceding 61809882. In scientific notation, it is written as 6.1809881 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 52979892 positive integers (up to 61809881) that are relatively prime to 61809881.

Interesting facts

61809881 has 4 divisors, whose sum is 70639872
The reverse of 61809881 is 18890816
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	sixty-one million eight hundred nine thousand eight hundred eighty-one

Notation

Scientific notation	6.1809881 × 10^7
Engineering notation	6.1809881 × 10^6

Prime Factorization of 61809881

Prime Factorization 7 × 8829983

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	61809881	Product of the distinct prime numbers

The prime factorization of 61809881 is 7 × 8829983. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 2, 27, 87, 565, 220, 3726, 3982, 69224, 71147, 286666, 63730, 5450108, 2514682, 29579117, 36666063, 294590843, 23917508, 1853001987, 4237590689

Basic calculations (n = 61809881)

Multiplication

n×y

n×2	123619762
n×3	185429643
n×4	247239524
n×5	309049405

Division

n÷y

n÷2	30904940.5
n÷3	20603293.666667
n÷3	15452470.25
n÷5	12361976.2

Exponentiation

n^y

n²	3820461389234161
n³	2.3614226383366E+23
n⁴	1.4595925226629E+31
n⁵	9.0217240134284E+38

Nth Root

^y√n

²√n	7861.926036284
³√n	395.38419277348
⁴√n	88.667502706933
⁵√n	36.158597878049

Divisors of 61809881

1, 7, 8829983, 61809881

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	-61809880	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 61809881 can be divided by 4 positive divisors. The sum of these divisors (counting 61809881) is 1, the average is 0.25.

Base conversion 61809881

Base	System	Value
2	Binary	11101011110010010011011001
3	Ternary	11022022021012212
4	Quaternary	3223302103121
5	Quinary	111310404011
6	Senary	10044444505
8	Octal	353622331
10	Decimal	61809881
12	Duodecimal	18849735
16	Hexadecimal	3af24d9
20	Vigesimal	j664e1
36	Base36	10sst5

Cryptographic Hash Functions

md5	0904c73032e825111f2390999b6f2b19
sha1	faf51896117f4f26acf488bd123c8132fb8a2aa4
sha256	9f934b02d7d0050a981c4678253e05c6d943f1481645674a252b5da25b2a4358
sha512	1ec110258a7e7ea9a383274f5a33adf0aa4fbba53b2923fb8d790d34c4561bb9a55754c4118c1383b0cfbe66f8177d5d70f1a406194d26e0a7c07c4f1b0fb122
ripemd-160	d52f4575cdf2d1106db57475bb94d931e3c9ae91

61809881 as geometric shapes

Circle

Radius = n

Diameter	123619762
Circumference	388362936.13772
Area	1.2002333433741E+16

Sphere

Radius = n

Volume	9.8915040168251E+23
Surface area	4.8009333734966E+16
Circumference	388362936.13772

Square

Length = n

Perimeter	247239524
Area	3820461389234161
Diagonal	87412371.998867

Cube

Length = n

Surface area	22922768335404966
Volume	2.3614226383366E+23
Space diagonal	107057854.30179

Equilateral Triangle

Length = n

Perimeter	185429643
Area	1.6543083086272E+15
Altitude	53528927.150893

Triangular Pyramid

Length = n

Surface area	1.6543083086272E+15
Volume	2.7829632680254E+22
Height	29137457.332956