19989147220

Names of 19989147220

• Cardinal: 19989147220 can be written as Nineteen billion, nine hundred eighty-nine million, one hundred forty-seven thousand, two hundred twenty.

Scientific notation

• Scientific notation: 1.998914722 × 10¹⁰

Factors of 19989147220

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 346

Divisors of 19989147220

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 14 19 20 28 35 38 49 70 76 79 95 98 107 127 133 140 158 190 196 214 245 254 266 316 380 395 428 490 508 532 535 553 635 665 749 790 889 931 980 1070 1106 1270 1330 1498 1501 1580 1778 1862 2033 2140 2212 2413 2540 2660 2765 2996 3002 3556 3724 3745 3871 4066 4445 4655 4826 5243 5530 6004 6223 7490 7505 7742 8132 8453 8890 9310 9652 10033 10165 10486 10507 11060 12065 12446 13589 14231 14980 15010 15484 16891 16906 17780 18620 19355 20066 20330 20972 21014 24130 24892 26215 27178 28462 30020 31115 33782 33812 38710 40132 40660 42028 42265 48260 50165 52430 52535 54356 56924 59171 62230 67564 67945 70231 71155 73549 77420 84455 84530 95123 99617 100330 104860 105070 118237 118342 124460 135890 140462 142310 147098 160607 168910 169060 190246 190627 199234 200660 210140 236474 236684 258191 271780 280924 284620 294196 295855 321214 337820 351155 367745 380492 381254 398468 414197 472948 475615 491617 498085 516382 591185 591710 642428 665861 702310 735490 762508 803035 828394 951230 953135 983234 996170 1032764 1073531 1124249 1182370 1183420 1290955 1331722 1334389 1404620 1470980 1606070 1656788 1807337 1902460 1906270 1966468 1992340 2070985 2147062 2248498 2364740 2458085 2581910 2663444 2668778 3212140 3329305 3614674 3812540 4141970 4294124 4496996 4916170 5163820 5337556 5367655 5621245 6658610 6671945 7229348 7514717 7869743 8283940 9036685 9340723 9832340 10735310 11242490 12651359 13317220 13343890 15029434 15739486 18073370 18681446 20397089 21470620 22484980 25302718 26687780 30058868 31478972 36146740 37362892 37573585 39348715 40794178 46703615 50605436 52603019 63256795 75147170 78697430 81588356 93407230 101985445 105206038 126513590 142779623 150294340 157394860 186814460 203970890 210412076 253027180 263015095 285559246 407941780 526030190 571118492 713898115 999457361 1052060380 1427796230 1998914722 2855592460 3997829444 4997286805 9994573610 19989147220
• Sum of all divisors σ(n): 52951449600
• Sum of proper divisors (its aliquot sum) s(n): 32962302380
• 19989147220 is an abundant number, because the sum of its proper divisors (32962302380) is greater than itself. Its abundance is 12973155160

Bases of 19989147220

• Binary: 10010100111011100100010111001010100₂
• Hexadecimal: 0x4A7722E54
• Base-36: 96L0SPG

Squares and roots of 19989147220

• 19989147220 squared (19989147220²) is 399566006582833728400
• 19989147220 cubed (19989147220³) is 7986983729691752521769095048000
• The square root of 19989147220 is 141382.9806589181
• The cube root of 19989147220 is 2713.9265448057

Scales and comparisons

• 19,989,147,220 seconds is equal to 635 years, 30 weeks, 5 days, 20 hours, 53 minutes, 40 seconds.
• To count from 1 to 19,989,147,220 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 19989147220 cubic inches would be around 226.2 feet tall.

Recreational maths with 19989147220

• 19989147220 backwards is 02274198991
• The number of decimal digits it has is: 11
• The sum of 19989147220's digits is 52
• More coming soon!