161007691 (number)

161007691 is an odd 9-digits composite number following 161007690 and preceding 161007692. In scientific notation, it is written as 1.61007691 × 10^8. The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors. There are 140800032 positive integers (up to 161007691) that are relatively prime to 161007691.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven thousand six hundred ninety-one

Notation

Scientific notation 1.61007691 × 10^8
Engineering notation 1.61007691 × 10^6

Prime Factorization of 161007691

Prime Factorization 13 × 19 × 651853

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161007691
Product of the distinct prime numbers

The prime factorization of 161007691 is 13 × 19 × 651853. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 161007691)

Multiplication

n×y
n×2 322015382
n×3 483023073
n×4 644030764
n×5 805038455

Division

n÷y
n÷2 80503845.5
n÷3 53669230.333333
n÷3 40251922.75
n÷5 32201538.2

Exponentiation

ny
n2 25923476561151481
n3 4.1738791038036E+24
n4 6.7202663701657E+32
n5 1.0820145711653E+41

Nth Root

y√n
2√n 12688.880604687
3√n 544.02084492466
4√n 112.64493155347
5√n 43.789433255337

Divisors of 161007691

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161007690
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161007691 can be divided by 8 positive divisors. The sum of these divisors (counting 161007691) is 1, the average is 0.125.

Base conversion 161007691

Base System Value
2 Binary 1001100110001100100001001011
3 Ternary 102012222001000211
4 Quaternary 21212030201023
5 Quinary 312204221231
6 Senary 23550541551
8 Octal 1146144113
10 Decimal 161007691
12 Duodecimal 45b078b7
16 Hexadecimal 998c84b
20 Vigesimal 2a65j4b
36 Base36 2nuybv

Cryptographic Hash Functions

md5 370286b30d31c5cd31e0dfabefce1342
sha1 c527a90545cc12118fae6fb601d26a6e1af44ec1
sha256 d5cbcdf34c70ad721bc190f126b49c28308d7ad20f6c3de820d7344442389e9d
sha512 49217ee30ba97f9661f105c6bf554adcc08c949f0744a3f431463a4095f8ef367aa5b8720aabb6af1fad1f1c5ed74cce33f4ad349d82274bb83115247a9a92cf
ripemd-160 71ab207f1dbd3354f67a898a603bee2291b58393

161007691 as geometric shapes

Circle

Radius = n
Diameter 322015382
Circumference 1011641158.4341
Area 8.1441003520021E+16

Sphere

Radius = n
Volume 1.7483503905975E+25
Surface area 3.2576401408008E+17
Circumference 1011641158.4341

Square

Length = n
Perimeter 644030764
Area 25923476561151481
Diagonal 227699260.25858

Cube

Length = n
Surface area 155540859366908886
Volume 4.1738791038036E+24
Space diagonal 278873501.22135

Equilateral Triangle

Length = n
Perimeter 483023073
Area 1.1225194628184E+16
Altitude 139436750.61068

Triangular Pyramid

Length = n
Surface area 1.1225194628184E+16
Volume 4.9189636969206E+23
Height 75899753.419526