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

15681421 (number)

15681421 is an odd 8-digits composite number following 15681420 and preceding 15681422. In scientific notation, it is written as 1.5681421 × 10^7. The sum of its digits is 28. It has a total of 4 prime factors and 12 positive divisors. There are 13267800 positive integers (up to 15681421) that are relatively prime to 15681421.

Interesting facts

15681421 has 12 divisors, whose sum is 18477120
The reverse of 15681421 is 12418651
Previous prime number is 79

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	fifteen million six hundred eighty-one thousand four hundred twenty-one

Notation

Scientific notation	1.5681421 × 10^7
Engineering notation	1.5681421 × 10^6

Prime Factorization of 15681421

Prime Factorization 7 × 7 × 79 × 4051

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	2240203	Product of the distinct prime numbers

The prime factorization of 15681421 is 7 × 7 × 79 × 4051. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 9, 84, 20, 126, 310, 4049, 7126, 77553, 71448, 47152, 250108, 4017944, 8908157, 47503982, 15902407, 627104857, 942014819, 6084629450, 3424759521

Basic calculations (n = 15681421)

Multiplication

n×y

n×2	31362842
n×3	47044263
n×4	62725684
n×5	78407105

Division

n÷y

n÷2	7840710.5
n÷3	5227140.3333333
n÷3	3920355.25
n÷5	3136284.2

Exponentiation

n^y

n²	245906964579241
n³	3.8561706383992E+21
n⁴	6.0470235228576E+28
n⁵	9.4825921658833E+35

Nth Root

^y√n

²√n	3959.9773989254
³√n	250.30055053271
⁴√n	62.928351312627
⁵√n	27.483819199498

Divisors of 15681421

1, 7, 49, 79, 553, 3871, 4051, 28357, 198499, 320029, 2240203, 15681421

12 divisors

τ	Total Divisors	12	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-15681420	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.083333333333333	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	12	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15681421 can be divided by 12 positive divisors. The sum of these divisors (counting 15681421) is 1, the average is 0.083333333333333.

Base conversion 15681421

Base	System	Value
2	Binary	111011110100011110001101
3	Ternary	1002111200212101
4	Quaternary	323310132031
5	Quinary	13003301141
6	Senary	1320035101
8	Octal	73643615
10	Decimal	15681421
12	Duodecimal	5302a91
16	Hexadecimal	ef478d
20	Vigesimal	4i03b1
36	Base36	9c3v1

Cryptographic Hash Functions

md5	f92dc78c9d5561e5774b9f8d7ba83625
sha1	9ca701386ff89acf972c1c814035f94380b0e221
sha256	63555ab1d22b8611a25a3ed98c38a772801907dede6b5d7938f2daabd9c1c177
sha512	e23628ca3f33064388eb801e33bf756770db444d32725f908661f51ac997e2fd67174e53fbf3460f94bcde7e5bd1ada038fd192d9584a84fcc5c54c942802b1b
ripemd-160	b2dbb72af8377c284961df3e7f0dc02d99a6f466

15681421 as geometric shapes

Circle

Radius = n

Diameter	31362842
Circumference	98529274.022897
Area	7.7253951338871E+14

Sphere

Radius = n

Volume	1.6152689798111E+22
Surface area	3.0901580535548E+15
Circumference	98529274.022897

Square

Length = n

Perimeter	62725684
Area	245906964579241
Diagonal	22176878.255482

Cube

Length = n

Surface area	1475441787475446
Volume	3.8561706383992E+21
Space diagonal	27161017.906878

Equilateral Triangle

Length = n

Perimeter	47044263
Area	1.0648083914657E+14
Altitude	13580508.953439

Triangular Pyramid

Length = n

Surface area	1.0648083914657E+14
Volume	4.5445406797075E+20
Height	7392292.7518274