161978650 (number)

161978650 is an even 9-digits composite number following 161978649 and preceding 161978651. In scientific notation, it is written as 1.61978650 × 10^8. The sum of its digits is 43. It has a total of 5 prime factors and 32 positive divisors. There are 61191680 positive integers (up to 161978650) that are relatively prime to 161978650.

Interesting facts

Basic properties

Name

Name one hundred sixty-one million nine hundred seventy-eight thousand six hundred fifty

Notation

Scientific notation 1.61978650 × 10^8
Engineering notation 1.61978650 × 10^6

Prime Factorization of 161978650

Prime Factorization 2 × 25 × 23 × 83 × 1697

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 161978650
Product of the distinct prime numbers

The prime factorization of 161978650 is 2 × 25 × 23 × 83 × 1697. Since it has a total of 5 prime factors.

Most popular turbo-numbers

10, 10, 3, 18, 520, 970, 9760, 505, 58766, 80147, 519823, 202720, 5249035, 1371399, 33462974, 96429030, 733605573, 602507240, 7823520285, 7946750382

Basic calculations (n = 161978650)

Multiplication

n×y
n×2 323957300
n×3 485935950
n×4 647914600
n×5 809893250

Division

n÷y
n÷2 80989325
n÷3 53992883.333333
n÷3 40494662.5
n÷5 32395730

Exponentiation

ny
n2 26237083055822500
n3 4.24984729332E+24
n4 6.8838452727813E+32
n5 1.115035964094E+41

Nth Root

y√n
2√n 12727.083326513
3√n 545.11222894281
4√n 112.81437553128
5√n 43.842120865567

Divisors of 161978650

1, 2, 23, 25, 46, 50, 83, 166, 575, 1150, 1697, 1909, 2075, 3394, 3818, 4150, 39031, 42425, 47725, 78062, 84850, 95450, 140851, 281702, 975775, 1951550, 3239573, 3521275, 6479146, 7042550, 80989325, 161978650

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161978649
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161978650 can be divided by 32 positive divisors. The sum of these divisors (counting 161978650) is 1, the average is 0.03125.

Base conversion 161978650

Base System Value
2 Binary 1001101001111001100100011010
3 Ternary 102021210100221021
4 Quaternary 21221321210122
5 Quinary 312431304100
6 Senary 24023433054
8 Octal 1151714432
10 Decimal 161978650
12 Duodecimal 462b578a
16 Hexadecimal 9a7991a
20 Vigesimal 2ac76ca
36 Base36 2ofriy

Cryptographic Hash Functions

md5 dda2ae3393a0f6dad23d937bfb583ceb
sha1 142a772649a219ea6aa386e3641bb9c027c76faf
sha256 1e38b658fdb1f9a231d39dbc83326bb208c5bde3b03c7535934e0a9a78592fda
sha512 a11b6d34ec7f8310e7d4914a41ef81ffb0b22d98c46e54cd2d0d98e073760dcba5e20f69c432137df74b4c80017c30ed7ff9c6a8e33ead988e1605bef6fd5e2b
ripemd-160 719c6ff99972dcf428dae6850de13b77027fa8e5

161978650 as geometric shapes

Circle

Radius = n
Diameter 323957300
Circumference 1017741873.7568
Area 8.2426227379797E+16

Sphere

Radius = n
Volume 1.7801718714097E+25
Surface area 3.2970490951919E+17
Circumference 1017741873.7568

Square

Length = n
Perimeter 647914600
Area 26237083055822500
Diagonal 229072403.64488

Cube

Length = n
Surface area 157422498334935000
Volume 4.24984729332E+24
Space diagonal 280555251.54142

Equilateral Triangle

Length = n
Perimeter 485935950
Area 1.1360990223772E+16
Altitude 140277625.77071

Triangular Pyramid

Length = n
Surface area 1.1360990223772E+16
Volume 5.0084930668564E+23
Height 76357467.881628