161680861 (number)

161680861 is an odd 9-digits composite number following 161680860 and preceding 161680862. In scientific notation, it is written as 1.61680861 × 10^8. The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors. There are 147432960 positive integers (up to 161680861) that are relatively prime to 161680861.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61680861 × 10^8
Engineering notation 1.61680861 × 10^6

Prime Factorization of 161680861

Prime Factorization 19 × 97 × 37 × 2371

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 161680861
Product of the distinct prime numbers

The prime factorization of 161680861 is 19 × 97 × 37 × 2371. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 26, 63, 672, 299, 8842, 9614, 75286, 18523, 991993, 968394, 2635817, 6134055, 95338392, 25083808, 327864304, 35243417, 9656803694, 1960238227

Basic calculations (n = 161680861)

Multiplication

n×y
n×2 323361722
n×3 485042583
n×4 646723444
n×5 808404305

Division

n÷y
n÷2 80840430.5
n÷3 53893620.333333
n÷3 40420215.25
n÷5 32336172.2

Exponentiation

ny
n2 26140700813701321
n3 4.2264510147026E+24
n4 6.8333623903144E+32
n5 1.1048239147911E+41

Nth Root

y√n
2√n 12715.378916886
3√n 544.77797088962
4√n 112.76248896192
5√n 43.825988723689

Divisors of 161680861

1, 19, 37, 97, 703, 1843, 2371, 3589, 45049, 68191, 87727, 229987, 1666813, 4369753, 8509519, 161680861

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 -161680860
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 161680861 can be divided by 16 positive divisors. The sum of these divisors (counting 161680861) is 1, the average is 0.0625.

Base conversion 161680861

Base System Value
2 Binary 1001101000110000110111011101
3 Ternary 102021020020110001
4 Quaternary 21220300313131
5 Quinary 312342241421
6 Senary 24013214301
8 Octal 1150606735
10 Decimal 161680861
12 Duodecimal 46191391
16 Hexadecimal 9a30ddd
20 Vigesimal 2aaa231
36 Base36 2o9dr1

Cryptographic Hash Functions

md5 cb37ed54fc75e0b99f512f7e3179d11c
sha1 9ebd9a1a648a68f9bebe648d0c8fa9a10d91af62
sha256 47577e9bb2f5512887d52d1c279f67bb91884746bfee27fc1f383b3de169b144
sha512 7be3aab3f212116ee74e53586cdde253f937d6e7852a85dd6cdf05e808824a5c564afa102265a15947ace16c89633aaf0aff60c1698d9ec6369ede2b01eb48b4
ripemd-160 2f634139ae1ecd1d0f6a5c07ed1e1c6005f8d5d0

161680861 as geometric shapes

Circle

Radius = n
Diameter 323361722
Circumference 1015870810.2873
Area 8.2123433636013E+16

Sphere

Radius = n
Volume 1.7703716611396E+25
Surface area 3.2849373454405E+17
Circumference 1015870810.2873

Square

Length = n
Perimeter 646723444
Area 26140700813701321
Diagonal 228651266.40236

Cube

Length = n
Surface area 156844204882207926
Volume 4.2264510147026E+24
Space diagonal 280039465.86348

Equilateral Triangle

Length = n
Perimeter 485042583
Area 1.1319255488697E+16
Altitude 140019732.93174

Triangular Pyramid

Length = n
Surface area 1.1319255488697E+16
Volume 4.9809202880817E+23
Height 76217088.800786