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

161872009 (number)

161872009 is an odd 9-digits composite number following 161872008 and preceding 161872010. In scientific notation, it is written as 1.61872009 × 10^8. The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors. There are 149420304 positive integers (up to 161872009) that are relatively prime to 161872009.

Interesting facts

161872009 has 4 divisors, whose sum is 174323716
The reverse of 161872009 is 900278161
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7

Name

Name	one hundred sixty-one million eight hundred seventy-two thousand nine

Notation

Scientific notation	1.61872009 × 10^8
Engineering notation	1.61872009 × 10^6

Prime Factorization of 161872009

Prime Factorization 13 × 12451693

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	161872009	Product of the distinct prime numbers

The prime factorization of 161872009 is 13 × 12451693. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 2, 53, 63, 686, 449, 9026, 5782, 63930, 37306, 700395, 602913, 7053786, 7508626, 31370069, 40798158, 900334250, 318962406, 8780765976, 4258461849

Basic calculations (n = 161872009)

Multiplication

n×y

n×2	323744018
n×3	485616027
n×4	647488036
n×5	809360045

Division

n÷y

n÷2	80936004.5
n÷3	53957336.333333
n÷3	40468002.25
n÷5	32374401.8

Exponentiation

n^y

n²	26202547297696081
n³	4.2414589719956E+24
n⁴	6.86573484888E+32
n⁵	1.1113702932495E+41

Nth Root

^y√n

²√n	12722.893106523
³√n	544.99257515907
⁴√n	112.79580269905
⁵√n	43.836346525139

Divisors of 161872009

1, 13, 12451693, 161872009

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	-161872008	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 161872009 can be divided by 4 positive divisors. The sum of these divisors (counting 161872009) is 1, the average is 0.25.

Base conversion 161872009

Base	System	Value
2	Binary	1001101001011111100010001001
3	Ternary	102021120221122121
4	Quaternary	21221133202021
5	Quinary	312414401014
6	Senary	24021251241
8	Octal	1151374211
10	Decimal	161872009
12	Duodecimal	46263b21
16	Hexadecimal	9a5f889
20	Vigesimal	2abe009
36	Base36	2odh8p

Cryptographic Hash Functions

md5	b290ee0672dfd212dbf67c375e5eb530
sha1	96fa7e83b1f9a5daac3ab31694c0b1c36380ddab
sha256	134174003b51fb7effd6604cac6a7f9ba0535f10cb555ce764cfbab08a41baf8
sha512	a3d6f92bb68cece317a619d7e192cd1ce5115c0e90fef6937e82b71d76fdaeeac44e75b6d4f54360d9ef983e2b66f87eb04a3a37abb216243f5757da94f7532f
ripemd-160	0dd2aa06abfc0bc81833025f5ffb09e7f685bd64

161872009 as geometric shapes

Circle

Radius = n

Diameter	323744018
Circumference	1017071828.5924
Area	8.2317730095781E+16

Sphere

Radius = n

Volume	1.7766581795898E+25
Surface area	3.2927092038312E+17
Circumference	1017071828.5924

Square

Length = n

Perimeter	647488036
Area	26202547297696081
Diagonal	228921590.49638

Cube

Length = n

Surface area	157215283786176486
Volume	4.2414589719956E+24
Space diagonal	280370543.91125

Equilateral Triangle

Length = n

Perimeter	485616027
Area	1.1346035801834E+16
Altitude	140185271.95562

Triangular Pyramid

Length = n

Surface area	1.1346035801834E+16
Volume	4.998607335371E+23
Height	76307196.832127