69897981 (number)

69897981 is an odd 8-digits composite number following 69897980 and preceding 69897982. In scientific notation, it is written as 6.9897981 × 10^7. The sum of its digits is 57. It has a total of 2 prime factors and 4 positive divisors. There are 46598652 positive integers (up to 69897981) that are relatively prime to 69897981.

Interesting facts

Basic properties

Name

Name sixty-nine million eight hundred ninety-seven thousand nine hundred eighty-one

Notation

Scientific notation 6.9897981 × 10^7
Engineering notation 6.9897981 × 10^6

Prime Factorization of 69897981

Prime Factorization 3 × 23299327

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 69897981
Product of the distinct prime numbers

The prime factorization of 69897981 is 3 × 23299327. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 69897981)

Multiplication

n×y
n×2 139795962
n×3 209693943
n×4 279591924
n×5 349489905

Division

n÷y
n÷2 34948990.5
n÷3 23299327
n÷3 17474495.25
n÷5 13979596.2

Exponentiation

ny
n2 4885727747876361
n3 3.4150250529223E+23
n4 2.3870335626369E+31
n5 1.6684882660756E+39

Nth Root

y√n
2√n 8360.5012409544
3√n 411.92821863473
4√n 91.435776591848
5√n 37.05893430596

Divisors of 69897981

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 -69897980
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 69897981 can be divided by 4 positive divisors. The sum of these divisors (counting 69897981) is 1, the average is 0.25.

Base conversion 69897981

Base System Value
2 Binary 100001010101000111011111101
3 Ternary 11212112012000010
4 Quaternary 10022220323331
5 Quinary 120343213411
6 Senary 10534053433
8 Octal 412507375
10 Decimal 69897981
12 Duodecimal 1b4aa279
16 Hexadecimal 42a8efd
20 Vigesimal 11gh4j1
36 Base36 15m5ml

Cryptographic Hash Functions

md5 b63fd6ae9e7ba6eda47875111a3cd082
sha1 f4957f67e000404512e9cc60bfb092a243254f8a
sha256 73771e28c713de1660103bc1102c0c59354482588347bf1cadfabcd21605e933
sha512 a0efac62c722660304749a3f2434caa4795a1cff2406fb177e9578b6e084988bd80d360f7659963f4cb385448ec824a011db61bd0d15e2722f8b204b974dcf74
ripemd-160 971cd3e035aa9ffe7077fcdb2d74a9de923f4fc8

69897981 as geometric shapes

Circle

Radius = n
Diameter 139795962
Circumference 439181967.22072
Area 1.5348966400168E+16

Sphere

Radius = n
Volume 1.4304823490781E+24
Surface area 6.1395865600673E+16
Circumference 439181967.22072

Square

Length = n
Perimeter 279591924
Area 4885727747876361
Diagonal 98850672.712697

Cube

Length = n
Surface area 29314366487258166
Volume 3.4150250529223E+23
Space diagonal 121066854.43848

Equilateral Triangle

Length = n
Perimeter 209693943
Area 2.1155821728177E+15
Altitude 60533427.219242

Triangular Pyramid

Length = n
Surface area 2.1155821728177E+15
Volume 4.0246456214056E+22
Height 32950224.237566