161749137 (number)

161749137 is an odd 9-digits composite number following 161749136 and preceding 161749138. In scientific notation, it is written as 1.61749137 × 10^8. The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors. There are 95943120 positive integers (up to 161749137) that are relatively prime to 161749137.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61749137 × 10^8
Engineering notation 1.61749137 × 10^6

Prime Factorization of 161749137

Prime Factorization 3 × 11 × 47 × 104287

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161749137
Product of the distinct prime numbers

The prime factorization of 161749137 is 3 × 11 × 47 × 104287. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 1, 11, 73, 40, 689, 1975, 8160, 94106, 69299, 140594, 845976, 4105910, 3009486, 23477292, 64598811, 652276900, 700036016, 6064098335, 9941594368

Basic calculations (n = 161749137)

Multiplication

n×y
n×2 323498274
n×3 485247411
n×4 646996548
n×5 808745685

Division

n÷y
n÷2 80874568.5
n÷3 53916379
n÷3 40437284.25
n÷5 32349827.4

Exponentiation

ny
n2 26162783320244769
n3 4.2318076235676E+24
n4 6.8449123106208E+32
n5 1.1071586590836E+41

Nth Root

y√n
2√n 12718.063413901
3√n 544.85464462418
4√n 112.7743916583
5√n 43.829689542544

Divisors of 161749137

1, 3, 11, 33, 47, 141, 517, 1551, 104287, 312861, 1147157, 3441471, 4901489, 14704467, 53916379, 161749137

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 -161749136
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 161749137 can be divided by 16 positive divisors. The sum of these divisors (counting 161749137) is 1, the average is 0.0625.

Base conversion 161749137

Base System Value
2 Binary 1001101001000001100010010001
3 Ternary 102021100201002210
4 Quaternary 21221001202101
5 Quinary 312401433022
6 Senary 24014502333
8 Octal 1151014221
10 Decimal 161749137
12 Duodecimal 462049a9
16 Hexadecimal 9a41891
20 Vigesimal 2aaicgh
36 Base36 2oaufl

Cryptographic Hash Functions

md5 0f1d9564b38784a02e4236d5db43d20b
sha1 ebbd05d372b4c2d06df7762c3e2d6e24bb5356c7
sha256 585a2c5335a11a05a771ffa6f581c344b6811dd257ba44632200f6120441145b
sha512 01ca3b49f764a1079435439d96acfc8577902c883c3254c4c50a5dbfc30b791b81eb77d8931a25c365ad9692a0ed31a14c7f3011b9d567b15265f2f00a70da3b
ripemd-160 1092bb3a9e9fd90fe7475a99bf91a313d2f32e07

161749137 as geometric shapes

Circle

Radius = n
Diameter 323498274
Circumference 1016299801.0474
Area 8.2192807876343E+16

Sphere

Radius = n
Volume 1.772615432214E+25
Surface area 3.2877123150537E+17
Circumference 1016299801.0474

Square

Length = n
Perimeter 646996548
Area 26162783320244769
Diagonal 228747823.24754

Cube

Length = n
Surface area 156976699921468614
Volume 4.2318076235676E+24
Space diagonal 280157723.36442

Equilateral Triangle

Length = n
Perimeter 485247411
Area 1.132881749452E+16
Altitude 140078861.68221

Triangular Pyramid

Length = n
Surface area 1.132881749452E+16
Volume 4.9872331121693E+23
Height 76249274.415848