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

42156721 (number)

42156721 is an odd 8-digits prime number following 42156720 and preceding 42156722. In scientific notation, it is written as 4.2156721 × 10^7. The sum of its digits is 28. It has a total of 1 prime factors and 2 positive divisors. There are 42156720 positive integers (up to 42156721) that are relatively prime to 42156721.

Interesting facts

42156721 has 2 divisors, whose sum is 42156722
The reverse of 42156721 is 12765124
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 28
Digital Root 1

Name

Name	forty-two million one hundred fifty-six thousand seven hundred twenty-one

Notation

Scientific notation	4.2156721 × 10^7
Engineering notation	4.2156721 × 10^6

Prime Factorization of 42156721

Prime Factorization 42156721

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	42156721	Product of the distinct prime numbers

The prime factorization of 42156721 is 42156721. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 6, 19, 16, 171, 336, 272, 7797, 15597, 66953, 600604, 133999, 726538, 9303682, 61538275, 41514705, 39061282, 396150139, 6625334421, 7421757128

Basic calculations (n = 42156721)

Multiplication

n×y

n×2	84313442
n×3	126470163
n×4	168626884
n×5	210783605

Division

n÷y

n÷2	21078360.5
n÷3	14052240.333333
n÷3	10539180.25
n÷5	8431344.2

Exponentiation

n^y

n²	1777189125471841
n³	7.492046612675E+22
n⁴	3.1584011876954E+30
n⁵	1.3314783767574E+38

Nth Root

^y√n

²√n	6492.8207275421
³√n	348.03448209425
⁴√n	80.578041224282
⁵√n	33.49448963541

Divisors of 42156721

1, 42156721

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	42156722	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	21078361	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	6492.8208045502	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.999999952558	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 42156721 can be divided by 2 positive divisors. The sum of these divisors (counting 42156721) is 42156722, the average is 21078361.

Base conversion 42156721

Base	System	Value
2	Binary	10100000110100001010110001
3	Ternary	2221022210011001
4	Quaternary	2200310022301
5	Quinary	41243003341
6	Senary	4103322001
8	Octal	240641261
10	Decimal	42156721
12	Duodecimal	12150301
16	Hexadecimal	28342b1
20	Vigesimal	d39bg1
36	Base36	p3kc1

Cryptographic Hash Functions

md5	59231ccc6f56bbbfb59661c413373d62
sha1	c1a097d612710dc97a22df808cdb30fd7da58e07
sha256	c714362c2e94f142205798bf10b3b072e7a38f670bb31a3b93970159bdd8f1e0
sha512	c2e5f2095d2e22f696a4bd0aa1b53b65050341a4cde8b41f7a91300f57cd80fa7698dff393f57b6aa1eb09c85b8ddb3ce545d0bf220e243d9943ab98a7e4d365
ripemd-160	77079e1f2bd03fc00379694c11270ea17a1b73cf

42156721 as geometric shapes

Circle

Radius = n

Diameter	84313442
Circumference	264878489.98607
Area	5.583204300622E+15

Sphere

Radius = n

Volume	3.1382611464976E+23
Surface area	2.2332817202488E+16
Circumference	264878489.98607

Square

Length = n

Perimeter	168626884
Area	1777189125471841
Diagonal	59618606.583379

Cube

Length = n

Surface area	10663134752831046
Volume	7.492046612675E+22
Space diagonal	73017582.652506

Equilateral Triangle

Length = n

Perimeter	126470163
Area	7.6954546499403E+14
Altitude	36508791.326253

Triangular Pyramid

Length = n

Surface area	7.6954546499403E+14
Volume	8.8294616079804E+21
Height	19872868.861126