161889664 (number)

161889664 is an even 9-digits composite number following 161889663 and preceding 161889665. In scientific notation, it is written as 1.61889664 × 10^8. The sum of its digits is 49. It has a total of 8 prime factors and 16 positive divisors. There are 80944768 positive integers (up to 161889664) that are relatively prime to 161889664.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million eight hundred eighty-nine thousand six hundred sixty-four

Notation

Scientific notation 1.61889664 × 10^8
Engineering notation 1.61889664 × 10^6

Prime Factorization of 161889664

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1264763

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 2529526
Product of the distinct prime numbers

The prime factorization of 161889664 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 1264763. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 1, 7, 16, 631, 273, 4625, 8756, 96283, 53793, 769969, 137972, 5977474, 6311276, 79004539, 3149209, 640792858, 253051038, 4190601464, 5858543349

Basic calculations (n = 161889664)

Multiplication

n×y
n×2 323779328
n×3 485668992
n×4 647558656
n×5 809448320

Division

n÷y
n÷2 80944832
n÷3 53963221.333333
n÷3 40472416
n÷5 32377932.8

Exponentiation

ny
n2 26208263310032896
n3 4.2428469412848E+24
n4 6.8687306572802E+32
n5 1.1119764982136E+41

Nth Root

y√n
2√n 12723.586915646
3√n 545.01238812567
4√n 112.79887816661
5√n 43.837302708905

Divisors of 161889664

1, 2, 4, 8, 16, 32, 64, 128, 1264763, 2529526, 5059052, 10118104, 20236208, 40472416, 80944832, 161889664

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 -161889663
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 161889664 can be divided by 16 positive divisors. The sum of these divisors (counting 161889664) is 1, the average is 0.0625.

Base conversion 161889664

Base System Value
2 Binary 1001101001100011110110000000
3 Ternary 102021121211212111
4 Quaternary 21221203312000
5 Quinary 312420432124
6 Senary 24021505104
8 Octal 1151436600
10 Decimal 161889664
12 Duodecimal 46272194
16 Hexadecimal 9a63d80
20 Vigesimal 2abg434
36 Base36 2oduv4

Cryptographic Hash Functions

md5 4f9ad7bec49568b46cb1ba4101d68512
sha1 67e7b05f163b81ff48114a5d464cb23457b49746
sha256 b86c32181979be6667cbf6e6c688a6463cbf93ca6dd58ff2f3862dc7b46b8f2f
sha512 3f5eaaa975275c748e13434984b143fc7e748d5dc636b944a43cafeba2aa531fc9533bfb1d2bd270e30832fc9bcb45bd87f0589b00fe7278b69c531d778867e9
ripemd-160 965709d726f23c77c79558c8e7ac040b29948eec

161889664 as geometric shapes

Circle

Radius = n
Diameter 323779328
Circumference 1017182758.229
Area 8.2335687478146E+16

Sphere

Radius = n
Volume 1.7772395708061E+25
Surface area 3.2934274991259E+17
Circumference 1017182758.229

Square

Length = n
Perimeter 647558656
Area 26208263310032896
Diagonal 228946558.43682

Cube

Length = n
Surface area 157249579860197376
Volume 4.2428469412848E+24
Space diagonal 280401123.26825

Equilateral Triangle

Length = n
Perimeter 485668992
Area 1.134851090778E+16
Altitude 140200561.63413

Triangular Pyramid

Length = n
Surface area 1.134851090778E+16
Volume 5.0002430728651E+23
Height 76315519.478941