19988398980

Names of 19988398980

• Cardinal: 19988398980 can be written as Nineteen billion, nine hundred eighty-eight million, three hundred ninety-eight thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.998839898 × 10¹⁰

Factors of 19988398980

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 83452

Divisors of 19988398980

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 121 132 165 180 198 220 242 330 363 396 484 495 605 660 726 990 1089 1210 1331 1452 1815 1980 2178 2420 2662 3630 3993 4356 5324 5445 6655 7260 7986 10890 11979 13310 15972 19965 21780 23958 26620 39930 47916 59895 79860 83431 119790 166862 239580 250293 333724 417155 500586 750879 834310 917741 1001172 1251465 1501758 1668620 1835482 2502930 2753223 3003516 3670964 3754395 4588705 5005860 5506446 7508790 8259669 9177410 10095151 11012892 13766115 15017580 16519338 18354820 20190302 27532230 30285453 33038676 40380604 41298345 50475755 55064460 60570906 82596690 90856359 100951510 111046661 121141812 151427265 165193380 181712718 201903020 222093322 302854530 333139983 363425436 444186644 454281795 555233305 605709060 666279966 908563590 999419949 1110466610 1332559932 1665699915 1817127180 1998839898 2220933220 3331399830 3997679796 4997099745 6662799660 9994199490 19988398980
• Sum of all divisors σ(n): 66690868608
• Sum of proper divisors (its aliquot sum) s(n): 46702469628
• 19988398980 is an abundant number, because the sum of its proper divisors (46702469628) is greater than itself. Its abundance is 26714070648

Bases of 19988398980

• Binary: 10010100111011001101100001110000100₂
• Hexadecimal: 0x4A766C384
• Base-36: 96KKRD0

Squares and roots of 19988398980

• 19988398980 squared (19988398980²) is 399536093783665040400
• 19988398980 cubed (19988398980³) is 7986086849458594634193018792000
• The square root of 19988398980 is 141380.3344882165
• The cube root of 19988398980 is 2713.8926815345

Scales and comparisons

• 19,988,398,980 seconds is equal to 635 years, 29 weeks, 4 days, 5 hours, 3 minutes.
• To count from 1 to 19,988,398,980 would take you about one thousand, two hundred seventy-one 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 19988398980 cubic inches would be around 226.2 feet tall.

Recreational maths with 19988398980

• 19988398980 backwards is 08989388991
• The number of decimal digits it has is: 11
• The sum of 19988398980's digits is 72
• More coming soon!