161749668 (number)

161749668 is an even 9-digits composite number following 161749667 and preceding 161749669. In scientific notation, it is written as 1.61749668 × 10^8. The sum of its digits is 48. It has a total of 5 prime factors and 24 positive divisors. There are 53310400 positive integers (up to 161749668) that are relatively prime to 161749668.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million seven hundred forty-nine thousand six hundred sixty-eight

Notation

Scientific notation 1.61749668 × 10^8
Engineering notation 1.61749668 × 10^6

Prime Factorization of 161749668

Prime Factorization 2 × 2 × 3 × 89 × 151451

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 80874834
Product of the distinct prime numbers

The prime factorization of 161749668 is 2 × 2 × 3 × 89 × 151451. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 7, 41, 64, 453, 215, 4907, 83, 44670, 721, 505051, 443783, 3719703, 4382695, 99014548, 62264766, 580001014, 100931676, 4260504333, 1870652951

Basic calculations (n = 161749668)

Multiplication

n×y
n×2 323499336
n×3 485249004
n×4 646998672
n×5 808748340

Division

n÷y
n÷2 80874834
n÷3 53916556
n÷3 40437417
n÷5 32349933.6

Exponentiation

ny
n2 26162955098110224
n3 4.2318493010182E+24
n4 6.8450021946573E+32
n5 1.1071768324451E+41

Nth Root

y√n
2√n 12718.084289703
3√n 544.85524085095
4√n 112.77448421387
5√n 43.829718319866

Divisors of 161749668

1, 2, 3, 4, 6, 12, 89, 178, 267, 356, 534, 1068, 151451, 302902, 454353, 605804, 908706, 1817412, 13479139, 26958278, 40437417, 53916556, 80874834, 161749668

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161749667
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161749668 can be divided by 24 positive divisors. The sum of these divisors (counting 161749668) is 1, the average is 0.041666666666667.

Base conversion 161749668

Base System Value
2 Binary 1001101001000001101010100100
3 Ternary 102021100201211110
4 Quaternary 21221001222210
5 Quinary 312401442133
6 Senary 24014505020
8 Octal 1151015244
10 Decimal 161749668
12 Duodecimal 46205170
16 Hexadecimal 9a41aa4
20 Vigesimal 2aaie38
36 Base36 2oauuc

Cryptographic Hash Functions

md5 d691b7ff35531ad159091eaae72e4868
sha1 1c0cfd864f0228e4cd27dc2c17ae53f5a36429d5
sha256 02e5daf9979b8b1c9190eadca68dec298e42f1b97c32d62c8679dc2e72fbbf44
sha512 5dfde5ec5158a2adc2f20de8ce099cdcab495f1f859fdcc21926b86adda33cec01dafbea7d58a05ede415ce24759a1edc051073c2f0bbf37520e53acf753cba4
ripemd-160 29a24a8b6693d6de1a1101351bcb5d425aaffcb6

161749668 as geometric shapes

Circle

Radius = n
Diameter 323499336
Circumference 1016303137.4188
Area 8.2193347532423E+16

Sphere

Radius = n
Volume 1.7726328900237E+25
Surface area 3.2877339012969E+17
Circumference 1016303137.4188

Square

Length = n
Perimeter 646998672
Area 26162955098110224
Diagonal 228748574.19495

Cube

Length = n
Surface area 156977730588661344
Volume 4.2318493010182E+24
Space diagonal 280158643.0834

Equilateral Triangle

Length = n
Perimeter 485249004
Area 1.1328891876518E+16
Altitude 140079321.5417

Triangular Pyramid

Length = n
Surface area 1.1328891876518E+16
Volume 4.9872822295159E+23
Height 76249524.731648