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

61991421 (number)

61991421 is an odd 8-digits composite number following 61991420 and preceding 61991422. In scientific notation, it is written as 6.1991421 × 10^7. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 41327612 positive integers (up to 61991421) that are relatively prime to 61991421.

Interesting facts

61991421 has 4 divisors, whose sum is 82655232
The reverse of 61991421 is 12419916
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6

Name

Name	sixty-one million nine hundred ninety-one thousand four hundred twenty-one

Notation

Scientific notation	6.1991421 × 10^7
Engineering notation	6.1991421 × 10^6

Prime Factorization of 61991421

Prime Factorization 3 × 20663807

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	61991421	Product of the distinct prime numbers

The prime factorization of 61991421 is 3 × 20663807. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 4, 55, 90, 191, 461, 4545, 8022, 75684, 48520, 912930, 589011, 3232754, 8380357, 67047359, 71622344, 319815771, 723576555, 9121684792, 3165313080

Basic calculations (n = 61991421)

Multiplication

n×y

n×2	123982842
n×3	185974263
n×4	247965684
n×5	309957105

Division

n÷y

n÷2	30995710.5
n÷3	20663807
n÷3	15497855.25
n÷5	12398284.2

Exponentiation

n^y

n²	3842936277599241
n³	2.3822908066083E+23
n⁴	1.4768159233688E+31
n⁵	9.1549917645061E+38

Nth Root

^y√n

²√n	7873.4630881208
³√n	395.7709048829
⁴√n	88.732536806522
⁵√n	36.179813041286

Divisors of 61991421

1, 3, 20663807, 61991421

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	-61991420	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 61991421 can be divided by 4 positive divisors. The sum of these divisors (counting 61991421) is 1, the average is 0.25.

Base conversion 61991421

Base	System	Value
2	Binary	11101100011110100111111101
3	Ternary	11022122111020120
4	Quaternary	3230132213331
5	Quinary	111332211141
6	Senary	10052405153
8	Octal	354364775
10	Decimal	61991421
12	Duodecimal	189167b9
16	Hexadecimal	3b1e9fd
20	Vigesimal	j78ib1
36	Base36	10wovx

Cryptographic Hash Functions

md5	723bc470c5900570cd9237ac2fa9427b
sha1	9989fc267ce9061e176fd1c7e57d36ef9be07690
sha256	03a94fa938df2d0ad28471aa07f5f7c791e9056c5deb4f2c197b39e9c683ebc1
sha512	48780bb60a17b9a10c0877293a46f033e1cd24a1dd9ec9ef1217a7545380d19c95982ef79640457610764531d063433e295abf809217997da5466d4f813d30d2
ripemd-160	ed5f14da29794ba285c591276de756ed675062e6

61991421 as geometric shapes

Circle

Radius = n

Diameter	123982842
Circumference	389503585.59838
Area	1.2072940377919E+16

Sphere

Radius = n

Volume	9.9789163956734E+23
Surface area	4.8291761511678E+16
Circumference	389503585.59838

Square

Length = n

Perimeter	247965684
Area	3842936277599241
Diagonal	87669108.32898

Cube

Length = n

Surface area	23057617665595446
Volume	2.3822908066083E+23
Space diagonal	107372290.80539

Equilateral Triangle

Length = n

Perimeter	185974263
Area	1.6640402207629E+15
Altitude	53686145.402696

Triangular Pyramid

Length = n

Surface area	1.6640402207629E+15
Volume	2.8075566401851E+22
Height	29223036.10966