161801971 (number)

161801971 is an odd 9-digits composite number following 161801970 and preceding 161801972. In scientific notation, it is written as 1.61801971 × 10^8. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 150138240 positive integers (up to 161801971) that are relatively prime to 161801971.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.61801971 × 10^8
Engineering notation 1.61801971 × 10^6

Prime Factorization of 161801971

Prime Factorization 17 × 71 × 134053

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 161801971
Product of the distinct prime numbers

The prime factorization of 161801971 is 17 × 71 × 134053. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 5, 17, 95, 898, 167, 1149, 9134, 7934, 25339, 575173, 60937, 6631284, 1845131, 11309915, 82808744, 956023238, 244470716, 6986343128, 4703663573

Basic calculations (n = 161801971)

Multiplication

n×y
n×2 323603942
n×3 485405913
n×4 647207884
n×5 809009855

Division

n÷y
n÷2 80900985.5
n÷3 53933990.333333
n÷3 40450492.75
n÷5 32360394.2

Exponentiation

ny
n2 26179877819484841
n3 4.2359558317318E+24
n4 6.8538600264315E+32
n5 1.1089680612347E+41

Nth Root

y√n
2√n 12720.140368722
3√n 544.91396223388
4√n 112.78359973295
5√n 43.832552488657

Divisors of 161801971

1, 17, 71, 1207, 134053, 2278901, 9517763, 161801971

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -161801970
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 161801971 can be divided by 8 positive divisors. The sum of these divisors (counting 161801971) is 1, the average is 0.125.

Base conversion 161801971

Base System Value
2 Binary 1001101001001110011011110011
3 Ternary 102021110101120121
4 Quaternary 21221032123303
5 Quinary 312410130341
6 Senary 24015551111
8 Octal 1151163363
10 Decimal 161801971
12 Duodecimal 4622b497
16 Hexadecimal 9a4e6f3
20 Vigesimal 2ab54ib
36 Base36 2obz77

Cryptographic Hash Functions

md5 193752604e5317782fb44cae7bb1ee25
sha1 c36ab93aac298c5958e63e24d85a26a54b6b0e54
sha256 6c0eb4ac4e550dcec7ef2cc29f22a7b93ae2197d0252d0293e3ce657b31c12ff
sha512 abdeb3f5d957fcacbad27102cb010b260a023cbb2e734b0479bc37253689a6677b23dec4e3362ffbc5af72a0c0514d2510c942524c833f4a2fe7b8590299fabf
ripemd-160 689cce443b0ea3261f2dd0aa111a3eb500ff5af4

161801971 as geometric shapes

Circle

Radius = n
Diameter 323603942
Circumference 1016631766.8599
Area 8.2246511829572E+16

Sphere

Radius = n
Volume 1.7743530295866E+25
Surface area 3.2898604731829E+17
Circumference 1016631766.8599

Square

Length = n
Perimeter 647207884
Area 26179877819484841
Diagonal 228822541.8069

Cube

Length = n
Surface area 157079266916909046
Volume 4.2359558317318E+24
Space diagonal 280249234.53679

Equilateral Triangle

Length = n
Perimeter 485405913
Area 1.1336219629823E+16
Altitude 140124617.26839

Triangular Pyramid

Length = n
Surface area 1.1336219629823E+16
Volume 4.9921218223738E+23
Height 76274180.602299