19989185328

Names of 19989185328

• Cardinal: 19989185328 can be written as Nineteen billion, nine hundred eighty-nine million, one hundred eighty-five thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.9989185328 × 10¹⁰

Factors of 19989185328

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 524

Divisors of 19989185328

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 112 126 144 168 181 252 331 336 362 504 543 662 724 993 1008 1086 1267 1324 1448 1629 1986 2172 2317 2534 2648 2896 2979 3258 3801 3972 4344 4634 5068 5296 5958 6516 6951 7602 7944 8688 9268 10136 11403 11916 13032 13902 15204 15888 18536 20272 20853 22806 23832 26064 27804 30408 37072 41706 45612 47664 55608 59911 60816 83412 91224 109561 111216 119822 166824 179733 182448 219122 239644 328683 333648 359466 419377 438244 479288 539199 657366 718932 766927 838754 876488 958576 986049 1078398 1258131 1314732 1437864 1533854 1677508 1752976 1972098 2156796 2300781 2516262 2629464 2875728 3067708 3355016 3774393 3944196 4313592 4601562 5032524 5258928 6135416 6710032 6902343 7548786 7888392 8627184 9203124 10065048 12270832 13804686 15097572 15776784 18406248 19830541 20130096 27609372 30195144 36812496 39661082 55218744 59491623 60390288 79322164 110437488 118983246 138813787 158644328 178474869 237966492 277627574 317288656 356949738 416441361 475932984 555255148 713899476 832882722 951865968 1110510296 1249324083 1427798952 1665765444 2221020592 2498648166 2855597904 3331530888 4997296332 6663061776 9994592664 19989185328
• Sum of all divisors σ(n): 64481695824
• Sum of proper divisors (its aliquot sum) s(n): 44492510496
• 19989185328 is an abundant number, because the sum of its proper divisors (44492510496) is greater than itself. Its abundance is 24503325168

Bases of 19989185328

• Binary: 10010100111011100101100001100110000₂
• Hexadecimal: 0x4A772C330
• Base-36: 96L1M40

Squares and roots of 19989185328

• 19989185328 squared (19989185328²) is 399567530077130467584
• 19989185328 cubed (19989185328³) is 7987029409762975050971872407552
• The square root of 19989185328 is 141383.1154275503
• The cube root of 19989185328 is 2713.9282694455

Scales and comparisons

• 19,989,185,328 seconds is equal to 635 years, 30 weeks, 6 days, 7 hours, 28 minutes, 48 seconds.
• To count from 1 to 19,989,185,328 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 19989185328 cubic inches would be around 226.2 feet tall.

Recreational maths with 19989185328

• 19989185328 backwards is 82358198991
• 19989185328 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19989185328's digits is 63
• More coming soon!