161878137 (number)

161878137 is an odd 9-digits composite number following 161878136 and preceding 161878138. In scientific notation, it is written as 1.61878137 × 10^8. The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors. There are 105758352 positive integers (up to 161878137) that are relatively prime to 161878137.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61878137 × 10^8
Engineering notation 1.61878137 × 10^6

Prime Factorization of 161878137

Prime Factorization 3 × 127 × 83 × 5119

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161878137
Product of the distinct prime numbers

The prime factorization of 161878137 is 3 × 127 × 83 × 5119. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 9, 81, 62, 109, 218, 625, 4408, 29061, 64960, 425890, 861268, 963960, 1289449, 52728829, 31087210, 507579560, 684215132, 426949787, 7488896908

Basic calculations (n = 161878137)

Multiplication

n×y
n×2 323756274
n×3 485634411
n×4 647512548
n×5 809390685

Division

n÷y
n÷2 80939068.5
n÷3 53959379
n÷3 40469534.25
n÷5 32375627.4

Exponentiation

ny
n2 26204531238590769
n3 4.2419406978614E+24
n4 6.8667745743428E+32
n5 1.1115806752936E+41

Nth Root

y√n
2√n 12723.133929972
3√n 544.99945234633
4√n 112.79687021355
5√n 43.836678423242

Divisors of 161878137

1, 3, 83, 127, 249, 381, 5119, 10541, 15357, 31623, 424877, 650113, 1274631, 1950339, 53959379, 161878137

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161878136
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161878137 can be divided by 16 positive divisors. The sum of these divisors (counting 161878137) is 1, the average is 0.0625.

Base conversion 161878137

Base System Value
2 Binary 1001101001100001000001111001
3 Ternary 102021121021001120
4 Quaternary 21221201001321
5 Quinary 312420100022
6 Senary 24021335453
8 Octal 1151410171
10 Decimal 161878137
12 Duodecimal 46267589
16 Hexadecimal 9a61079
20 Vigesimal 2abef6h
36 Base36 2odlyx

Cryptographic Hash Functions

md5 c80db7196b976138188f913d7b921e91
sha1 9929c6754748c900ee93b738ec2f2634898d0a0f
sha256 5b308fbe2bc60230016dc2331472354bde74bc91864b03a34c441c50b57ee413
sha512 14c04b4c32d4ca260219d589482d534007613f5c49577efc8d96344b1806b274541fd0fba3d5132b41211609a4ff813cf3b2266a603c84fb64f28175b93428af
ripemd-160 16e7107d80404fbf9d077b80a1c3a9d357de8d2e

161878137 as geometric shapes

Circle

Radius = n
Diameter 323756274
Circumference 1017110331.952
Area 8.2323962829921E+16

Sphere

Radius = n
Volume 1.7768599644486E+25
Surface area 3.2929585131968E+17
Circumference 1017110331.952

Square

Length = n
Perimeter 647512548
Area 26204531238590769
Diagonal 228930256.79709

Cube

Length = n
Surface area 157227187431544614
Volume 4.2419406978614E+24
Space diagonal 280381157.9186

Equilateral Triangle

Length = n
Perimeter 485634411
Area 1.1346894873441E+16
Altitude 140190578.9593

Triangular Pyramid

Length = n
Surface area 1.1346894873441E+16
Volume 4.9991750547483E+23
Height 76310085.59903