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

145605721 (number)

145605721 is an odd 9-digits composite number following 145605720 and preceding 145605722. In scientific notation, it is written as 1.45605721 × 10^8. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 137942244 positive integers (up to 145605721) that are relatively prime to 145605721.

Interesting facts

145605721 has 4 divisors, whose sum is 153269200
The reverse of 145605721 is 127506541
Previous prime number is 19

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4

Name

Name	one hundred forty-five million six hundred five thousand seven hundred twenty-one

Notation

Scientific notation	1.45605721 × 10^8
Engineering notation	1.45605721 × 10^6

Prime Factorization of 145605721

Prime Factorization 19 × 7663459

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	145605721	Product of the distinct prime numbers

The prime factorization of 145605721 is 19 × 7663459. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 3, 84, 81, 849, 702, 8941, 7715, 84575, 75094, 667692, 727233, 3213846, 3373099, 26938572, 88895246, 165804647, 187858013, 22091602, 2923623330

Basic calculations (n = 145605721)

Multiplication

n×y

n×2	291211442
n×3	436817163
n×4	582422884
n×5	728028605

Division

n÷y

n÷2	72802860.5
n÷3	48535240.333333
n÷3	36401430.25
n÷5	29121144.2

Exponentiation

n^y

n²	21201025987929841
n³	3.0869906749123E+24
n⁴	4.4948350294088E+32
n⁵	6.5447369523312E+40

Nth Root

^y√n

²√n	12066.719562499
³√n	526.08931314587
⁴√n	109.84862112243
⁵√n	42.917625703161

Divisors of 145605721

1, 19, 7663459, 145605721

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	-145605720	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 145605721 can be divided by 4 positive divisors. The sum of these divisors (counting 145605721) is 1, the average is 0.25.

Base conversion 145605721

Base	System	Value
2	Binary	1000101011011100010001011001
3	Ternary	101010222112111111
4	Quaternary	20223130101121
5	Quinary	244233340341
6	Senary	22240500321
8	Octal	1053342131
10	Decimal	145605721
12	Duodecimal	4091a6a1
16	Hexadecimal	8adc459
20	Vigesimal	25a0e61
36	Base36	2eou3d

Cryptographic Hash Functions

md5	cc9a797a42b8b244f3aef8b03db508c0
sha1	9abe0a546a40b9868df72ec2d1107eb28a1916b6
sha256	f14291e567ad30f8e99980c87207becb4b7393898eaa34876c3a38ce2c8f20fd
sha512	7697381e30d01d4c3133990ff5a05ac734ffd11c053ed26b1c1ae66c69bd81562b85ee5d6365266b6b189abeeff9013179d24fc59f709f620134c924fc9fea5e
ripemd-160	1a5568c8dee0d67c2a72c2bfa6faf8d509627cf3

145605721 as geometric shapes

Circle

Radius = n

Diameter	291211442
Circumference	914867726.82849
Area	6.6604987492247E+16

Sphere

Radius = n

Volume	1.2930756301339E+25
Surface area	2.6641994996899E+17
Circumference	914867726.82849

Square

Length = n

Perimeter	582422884
Area	21201025987929841
Diagonal	205917585.39731

Cube

Length = n

Surface area	127206155927579046
Volume	3.0869906749123E+24
Space diagonal	252196506.6447

Equilateral Triangle

Length = n

Perimeter	436817163
Area	9.1803135459207E+15
Altitude	126098253.32235

Triangular Pyramid

Length = n

Surface area	9.1803135459207E+15
Volume	3.6380533994835E+23
Height	68639195.132438