161869739 (number)

161869739 is an odd 9-digits composite number following 161869738 and preceding 161869740. In scientific notation, it is written as 1.61869739 × 10^8. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 158425656 positive integers (up to 161869739) that are relatively prime to 161869739.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61869739 × 10^8
Engineering notation 1.61869739 × 10^6

Prime Factorization of 161869739

Prime Factorization 47 × 3444037

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 161869739
Product of the distinct prime numbers

The prime factorization of 161869739 is 47 × 3444037. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 34, 53, 887, 691, 6281, 2857, 11475, 52978, 825119, 524790, 1522854, 940562, 97575759, 54620522, 182764767, 300350280, 2142480872, 7848156517

Basic calculations (n = 161869739)

Multiplication

n×y
n×2 323739478
n×3 485609217
n×4 647478956
n×5 809348695

Division

n÷y
n÷2 80934869.5
n÷3 53956579.666667
n÷3 40467434.75
n÷5 32373947.8

Exponentiation

ny
n2 26201812403928121
n3 4.2412805351508E+24
n4 6.8653497325064E+32
n5 1.1112923693445E+41

Nth Root

y√n
2√n 12722.80389694
3√n 544.99002759297
4√n 112.79540725109
5√n 43.836223577304

Divisors of 161869739

1, 47, 3444037, 161869739

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 -161869738
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 161869739 can be divided by 4 positive divisors. The sum of these divisors (counting 161869739) is 1, the average is 0.25.

Base conversion 161869739

Base System Value
2 Binary 1001101001011110111110101011
3 Ternary 102021120211112112
4 Quaternary 21221132332223
5 Quinary 312414312424
6 Senary 24021232535
8 Octal 1151367653
10 Decimal 161869739
12 Duodecimal 4626274b
16 Hexadecimal 9a5efab
20 Vigesimal 2abde6j
36 Base36 2odfhn

Cryptographic Hash Functions

md5 19fa6270faa09fe876d8f18e06986891
sha1 2beebfc053e3556ca30b945ca3b131bc3c2a9d79
sha256 8927c339294ce9dd482757d42d9f233bb4ffcb188b21b17c38a315c622237bca
sha512 3373ae4d6e140292ad36447d27a893594c723b39e96027f97571fb4d8864317bba516b5f25eb0f679d31ff55b071c5b53a8369e5338c23d5b6586f2835286fb4
ripemd-160 b555d2375b1fa1ac411e72ee08679bf7c708ee3c

161869739 as geometric shapes

Circle

Radius = n
Diameter 323739478
Circumference 1017057565.7618
Area 8.2315421358918E+16

Sphere

Radius = n
Volume 1.7765834361391E+25
Surface area 3.2926168543567E+17
Circumference 1017057565.7618

Square

Length = n
Perimeter 647478956
Area 26201812403928121
Diagonal 228918380.23159

Cube

Length = n
Surface area 157210874423568726
Volume 4.2412805351508E+24
Space diagonal 280366612.15591

Equilateral Triangle

Length = n
Perimeter 485609217
Area 1.1345717583498E+16
Altitude 140183306.07796

Triangular Pyramid

Length = n
Surface area 1.1345717583498E+16
Volume 4.9983970455327E+23
Height 76306126.743864