161878149 (number)

161878149 is an odd 9-digits composite number following 161878148 and preceding 161878150. In scientific notation, it is written as 1.61878149 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 107139888 positive integers (up to 161878149) that are relatively prime to 161878149.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61878149 × 10^8
Engineering notation 1.61878149 × 10^6

Prime Factorization of 161878149

Prime Factorization 3 × 9 × 139 × 43133

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161878149
Product of the distinct prime numbers

The prime factorization of 161878149 is 3 × 9 × 139 × 43133. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 5, 32, 72, 476, 445, 5876, 9122, 98060, 80001, 836830, 845206, 6706880, 1678819, 94744431, 90267499, 948971416, 739982866, 871967578, 2310846341

Basic calculations (n = 161878149)

Multiplication

n×y
n×2 323756298
n×3 485634447
n×4 647512596
n×5 809390745

Division

n÷y
n÷2 80939074.5
n÷3 53959383
n÷3 40469537.25
n÷5 32375629.8

Exponentiation

ny
n2 26204535123666201
n3 4.2419416412246E+24
n4 6.8667766104746E+32
n5 1.1115810873001E+41

Nth Root

y√n
2√n 12723.134401554
3√n 544.99946581324
4√n 112.79687230395
5√n 43.836679073163

Divisors of 161878149

1, 3, 9, 27, 139, 417, 1251, 3753, 43133, 129399, 388197, 1164591, 5995487, 17986461, 53959383, 161878149

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 -161878148
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 161878149 can be divided by 16 positive divisors. The sum of these divisors (counting 161878149) is 1, the average is 0.0625.

Base conversion 161878149

Base System Value
2 Binary 1001101001100001000010000101
3 Ternary 102021121021002000
4 Quaternary 21221201002011
5 Quinary 312420100044
6 Senary 24021335513
8 Octal 1151410205
10 Decimal 161878149
12 Duodecimal 46267599
16 Hexadecimal 9a61085
20 Vigesimal 2abef79
36 Base36 2odlz9

Cryptographic Hash Functions

md5 4392ae91a759e876f7623da07bf53789
sha1 86ded6b9eb721b717aefe6bf54c6e43fa965a53a
sha256 7d45ea0c2f0d794c56d596e07b237715d49983931508cee19394e606514cdbff
sha512 cb2d6ee3b04305d11002217ac0fd7b2b3637e9ee120a4d18c5ed9efd8058dbcf6007d245604a62efc15840f3de2ed6eb1eafe2863378bf5ce3a52a1a185e4a8e
ripemd-160 f91eead45847984ba589ec77f66bc3bd9126c615

161878149 as geometric shapes

Circle

Radius = n
Diameter 323756298
Circumference 1017110407.3502
Area 8.2323975035245E+16

Sphere

Radius = n
Volume 1.7768603596037E+25
Surface area 3.2929590014098E+17
Circumference 1017110407.3502

Square

Length = n
Perimeter 647512596
Area 26204535123666201
Diagonal 228930273.76765

Cube

Length = n
Surface area 157227210741997206
Volume 4.2419416412246E+24
Space diagonal 280381178.70321

Equilateral Triangle

Length = n
Perimeter 485634447
Area 1.1346896555728E+16
Altitude 140190589.3516

Triangular Pyramid

Length = n
Surface area 1.1346896555728E+16
Volume 4.9991761665125E+23
Height 76310091.255884