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

161801969 (number)

161801969 is an odd 9-digits composite number following 161801968 and preceding 161801970. In scientific notation, it is written as 1.61801969 × 10^8. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 138687360 positive integers (up to 161801969) that are relatively prime to 161801969.

Interesting facts

161801969 has 4 divisors, whose sum is 165104100
The reverse of 161801969 is 969108161
Previous prime number is 49

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5

Name

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

Notation

Scientific notation	1.61801969 × 10^8
Engineering notation	1.61801969 × 10^6

Prime Factorization of 161801969

Prime Factorization 49 × 3302081

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	161801969	Product of the distinct prime numbers

The prime factorization of 161801969 is 49 × 3302081. Since it has a total of 2 prime factors.

Most popular turbo-numbers

10, 10, 31, 81, 411, 815, 3123, 9021, 94552, 9124, 650501, 558590, 4992680, 6895274, 13515721, 10774994, 726093922, 697631314, 631511718, 7877783037

Basic calculations (n = 161801969)

Multiplication

n×y

n×2	323603938
n×3	485405907
n×4	647207876
n×5	809009845

Division

n÷y

n÷2	80900984.5
n÷3	53933989.666667
n÷3	40450492.25
n÷5	32360393.8

Exponentiation

n^y

n²	26179877172276961
n³	4.2359556746526E+24
n⁴	6.8538596875551E+32
n⁵	1.1089679926961E+41

Nth Root

^y√n

²√n	12720.140290107
³√n	544.91395998869
⁴√n	112.78359938443
⁵√n	43.832552380296

Divisors of 161801969

1, 49, 3302081, 161801969

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	-161801968	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 161801969 can be divided by 4 positive divisors. The sum of these divisors (counting 161801969) is 1, the average is 0.25.

Base conversion 161801969

Base	System	Value
2	Binary	1001101001001110011011110001
3	Ternary	102021110101120112
4	Quaternary	21221032123301
5	Quinary	312410130334
6	Senary	24015551105
8	Octal	1151163361
10	Decimal	161801969
12	Duodecimal	4622b495
16	Hexadecimal	9a4e6f1
20	Vigesimal	2ab54i9
36	Base36	2obz75

Cryptographic Hash Functions

md5	0429eac8e67a945a5a42f91682b28340
sha1	697d9cb65f14614dc9b35665bb42a70fbbc83ed6
sha256	fe427a36c0476df4e37154f913fc5304660274ae015b874e71cc7197e4e73029
sha512	36f29d769c9d703b076c31ed9a829ae8d1a211d82a590f546b92f33a213ea08e015120087d8858cf134ae379bc1c897d96b68b014f43c1d73e12ed5abaaadc58
ripemd-160	513b33fef9a7c91177bc6ff3d53c955754d88018

161801969 as geometric shapes

Circle

Radius = n

Diameter	323603938
Circumference	1016631754.2935
Area	8.2246509796308E+16

Sphere

Radius = n

Volume	1.7743529637894E+25
Surface area	3.2898603918523E+17
Circumference	1016631754.2935

Square

Length = n

Perimeter	647207876
Area	26179877172276961
Diagonal	228822538.97847

Cube

Length = n

Surface area	157079263033661766
Volume	4.2359556746526E+24
Space diagonal	280249231.07268

Equilateral Triangle

Length = n

Perimeter	485405907
Area	1.1336219349574E+16
Altitude	140124615.53634

Triangular Pyramid

Length = n

Surface area	1.1336219349574E+16
Volume	4.9921216372541E+23
Height	76274179.65949