160991921 (number)

160991921 is an odd 9-digits composite number following 160991920 and preceding 160991922. In scientific notation, it is written as 1.60991921 × 10^8. The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors. There are 139470336 positive integers (up to 160991921) that are relatively prime to 160991921.

Interesting facts

Basic properties

Name

Name one hundred sixty million nine hundred ninety-one thousand nine hundred twenty-one

Notation

Scientific notation 1.60991921 × 10^8
Engineering notation 1.60991921 × 10^6

Prime Factorization of 160991921

Prime Factorization 19 × 323 × 37 × 709

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 160991921
Product of the distinct prime numbers

The prime factorization of 160991921 is 19 × 323 × 37 × 709. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 8, 73, 13, 52, 59, 4598, 7383, 66013, 94320, 635897, 515553, 2713223, 7074449, 43579655, 24101199, 780470884, 271714964, 8224176927, 3454624844

Basic calculations (n = 160991921)

Multiplication

n×y
n×2 321983842
n×3 482975763
n×4 643967684
n×5 804959605

Division

n÷y
n÷2 80495960.5
n÷3 53663973.666667
n÷3 40247980.25
n÷5 32198384.2

Exponentiation

ny
n2 25918398627270241
n3 4.172652784248E+24
n4 6.7176338740208E+32
n5 1.0814847819533E+41

Nth Root

y√n
2√n 12688.259179257
3√n 544.0030828563
4√n 112.64217318241
5√n 43.788575424988

Divisors of 160991921

1, 19, 37, 323, 703, 709, 6137, 11951, 13471, 26233, 227069, 229007, 498427, 4351133, 8473259, 160991921

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 -160991920
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 160991921 can be divided by 16 positive divisors. The sum of these divisors (counting 160991921) is 1, the average is 0.0625.

Base conversion 160991921

Base System Value
2 Binary 1001100110001000101010110001
3 Ternary 102012221020101202
4 Quaternary 21212020222301
5 Quinary 312203220141
6 Senary 23550340545
8 Octal 1146105261
10 Decimal 160991921
12 Duodecimal 45aba755
16 Hexadecimal 9988ab1
20 Vigesimal 2a63jg1
36 Base36 2num5t

Cryptographic Hash Functions

md5 46175c30210bb07282446568ea9c58ef
sha1 d1c024beb7dd6e4232e3aa774193ddfd425f1d59
sha256 ccce77c71b83228b7c89ec3f796a6649e8a9c237433cf85ac82051814061f76c
sha512 819a268ecb2e6269d077989b04985ace1649e337347b9a80a1ec03bc4a03a35975a685ddebd2bf758b200af32ddabcecf7c90fb23fb677152dc45f7ba660f2cd
ripemd-160 b90cbef030104c086a9b92298bd29df3cdf460f3

160991921 as geometric shapes

Circle

Radius = n
Diameter 321983842
Circumference 1011542072.6018
Area 8.1425050720244E+16

Sphere

Radius = n
Volume 1.7478367110633E+25
Surface area 3.2570020288098E+17
Circumference 1011542072.6018

Square

Length = n
Perimeter 643967684
Area 25918398627270241
Diagonal 227676958.1107

Cube

Length = n
Surface area 155510391763621446
Volume 4.172652784248E+24
Space diagonal 278846186.78011

Equilateral Triangle

Length = n
Perimeter 482975763
Area 1.1222995818314E+16
Altitude 139423093.39006

Triangular Pyramid

Length = n
Surface area 1.1222995818314E+16
Volume 4.9175184654645E+23
Height 75892319.370233