18990150144

Names of 18990150144

• Cardinal: 18990150144 can be written as Eighteen billion, nine hundred ninety million, one hundred fifty thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 1.8990150144 × 10¹⁰

Factors of 18990150144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 3650

Divisors of 18990150144

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 84 96 112 128 168 192 224 256 336 384 448 512 577 672 768 896 1154 1344 1536 1731 1792 2308 2688 3061 3462 3584 4039 4616 5376 6122 6924 8078 9183 9232 10752 12117 12244 13848 16156 18366 18464 21427 24234 24488 27696 32312 36732 36928 42854 48468 48976 55392 64281 64624 73464 73856 85708 96936 97952 110784 128562 129248 146928 147712 171416 193872 195904 221568 257124 258496 293856 295424 342832 387744 391808 443136 514248 516992 587712 685664 775488 783616 886272 1028496 1033984 1175424 1371328 1550976 1567232 1766197 2056992 2067968 2350848 2742656 3101952 3532394 4113984 4701696 5298591 5485312 6203904 7064788 8227968 10597182 10970624 12363379 14129576 16455936 21194364 24726758 28259152 32911872 37090137 42388728 49453516 56518304 74180274 84777456 98907032 113036608 148360548 169554912 197814064 226073216 296721096 339109824 395628128 452146432 593442192 678219648 791256256 904292864 1186884384 1356439296 1582512512 2373768768 2712878592 3165025024 4747537536 6330050048 9495075072 18990150144
• Sum of all divisors σ(n): 57937351296
• Sum of proper divisors (its aliquot sum) s(n): 38947201152
• 18990150144 is an abundant number, because the sum of its proper divisors (38947201152) is greater than itself. Its abundance is 19957051008

Bases of 18990150144

• Binary: 10001101011111001101011001000000000₂
• Hexadecimal: 0x46BE6B200
• Base-36: 8Q28TMO

Squares and roots of 18990150144

• 18990150144 squared (18990150144²) is 360625802491663220736
• 18990150144 cubed (18990150144³) is 6848338135117173870059254185984
• The square root of 18990150144 is 137804.7537061041
• The cube root of 18990150144 is 2667.9404572275

Scales and comparisons

• 18,990,150,144 seconds is equal to 603 years, 43 weeks, 9 hours, 42 minutes, 24 seconds.
• To count from 1 to 18,990,150,144 would take you about one thousand, two hundred seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18990150144 cubic inches would be around 222.3 feet tall.

Recreational maths with 18990150144

• 18990150144 backwards is 44105109981
• 18990150144 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18990150144's digits is 42
• More coming soon!