156985021 (number)

156985021 is an odd 9-digits composite number following 156985020 and preceding 156985022. In scientific notation, it is written as 1.56985021 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 147750592 positive integers (up to 156985021) that are relatively prime to 156985021.

Interesting facts

Basic properties

Name

Name one hundred fifty-six million nine hundred eighty-five thousand twenty-one

Notation

Scientific notation 1.56985021 × 10^8
Engineering notation 1.56985021 × 10^6

Prime Factorization of 156985021

Prime Factorization 17 × 9234413

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 156985021
Product of the distinct prime numbers

The prime factorization of 156985021 is 17 × 9234413. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 156985021)

Multiplication

n×y
n×2 313970042
n×3 470955063
n×4 627940084
n×5 784925105

Division

n÷y
n÷2 78492510.5
n÷3 52328340.333333
n÷3 39246255.25
n÷5 31397004.2

Exponentiation

ny
n2 24644296818370441
n3 3.8687854535621E+24
n4 6.0734136567194E+32
n5 9.5343497044179E+40

Nth Root

y√n
2√n 12529.366344712
3√n 539.4519141744
4√n 111.93465211771
5√n 43.568403192865

Divisors of 156985021

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -156985020
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 156985021 can be divided by 4 positive divisors. The sum of these divisors (counting 156985021) is 1, the average is 0.25.

Base conversion 156985021

Base System Value
2 Binary 1001010110110110011010111101
3 Ternary 101221101122222001
4 Quaternary 21112312122331
5 Quinary 310142010041
6 Senary 23324422301
8 Octal 1126663275
10 Decimal 156985021
12 Duodecimal 446a7991
16 Hexadecimal 95b66bd
20 Vigesimal 29132b1
36 Base36 2lgqf1

Cryptographic Hash Functions

md5 c8ef2c9ad4d274283d2331421ea45939
sha1 45dde1f9e9ba1f5c4234c6a7c3dc22d415c809dc
sha256 38c9f1f733b0210edc8bad54af754edf685cbd37a00acb4d39da50ced4f9c828
sha512 bee720e071cc3c64fc016892a2234d4dba3038888962586f93c1933c5838d80fb8654d1ad45ba26d3cb4a3159d3387864db1fb4a380b08b4567994435999e871
ripemd-160 3c425295fd5da365bba8d6854c14adf194737e1e

156985021 as geometric shapes

Circle

Radius = n
Diameter 313970042
Circumference 986365977.39448
Area 7.7422341837479E+16

Sphere

Radius = n
Volume 1.6205530612301E+25
Surface area 3.0968936734992E+17
Circumference 986365977.39448

Square

Length = n
Perimeter 627940084
Area 24644296818370441
Diagonal 222010345.78763

Cube

Length = n
Surface area 147865780910222646
Volume 3.8687854535621E+24
Space diagonal 271906032.39927

Equilateral Triangle

Length = n
Perimeter 470955063
Area 1.0671293551556E+16
Altitude 135953016.19963

Triangular Pyramid

Length = n
Surface area 1.0671293551556E+16
Volume 4.5594073819494E+23
Height 74003448.595875