189198900900

Names of 189198900900

• Cardinal: 189198900900 can be written as One hundred eighty-nine billion, one hundred ninety-eight million, nine hundred thousand, nine hundred.

Scientific notation

• Scientific notation: 1.891989009 × 10¹¹

Factors of 189198900900

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 189

Divisors of 189198900900

• Number of divisors d(n): 297
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 27 30 36 45 50 54 60 75 81 90 100 108 135 150 162 179 180 225 243 270 300 324 358 405 450 486 537 540 675 716 729 810 895 900 972 1074 1215 1350 1458 1611 1620 1790 2025 2148 2187 2430 2685 2700 2916 3222 3580 3645 4050 4374 4475 4833 4860 5370 6075 6444 6561 7290 8055 8100 8748 8950 9666 10740 10935 12150 13122 13425 14499 14580 16110 17900 18225 19332 19683 21870 24165 24300 26244 26850 28998 32041 32220 32805 36450 39366 40275 43497 43740 48330 53700 54675 57996 59049 64082 65610 72495 72900 78732 80550 86994 96123 96660 98415 109350 118098 120825 128164 130491 131220 144990 160205 161100 164025 173988 192246 196830 217485 218700 236196 241650 260982 288369 289980 295245 320410 328050 362475 384492 391473 393660 434970 480615 483300 492075 521964 576738 590490 640820 652455 656100 724950 782946 801025 865107 869940 961230 984150 1087425 1153476 1174419 1180980 1304910 1441845 1449900 1476225 1565892 1602050 1730214 1922460 1957365 1968300 2174850 2348838 2403075 2595321 2609820 2883690 2952450 3204100 3262275 3460428 3523257 3914730 4325535 4349700 4697676 4806150 5190642 5767380 5872095 5904900 6524550 7046514 7209225 7785963 7829460 8651070 9612300 9786825 10381284 10569771 11744190 12976605 13049100 14093028 14418450 15571926 17302140 17616285 19573650 21139542 21627675 23357889 23488380 25953210 28836900 29360475 31143852 35232570 38929815 39147300 42279084 43255350 46715778 51906420 52848855 58720950 64883025 70073667 70465140 77859630 86510700 88081425 93431556 105697710 116789445 117441900 129766050 140147334 155719260 176162850 194649075 210221001 211395420 233578890 259532100 264244275 280294668 350368335 352325700 389298150 420442002 467157780 528488550 583947225 630663003 700736670 778596300 840884004 1051105005 1056977100 1167894450 1261326006 1401473340 1751841675 1891989009 2102210010 2335788900 2522652012 3153315015 3503683350 3783978018 4204420020 5255525025 6306630030 7007366700 7567956036 9459945045 10511050050 12613260060 15766575075 18919890090 21022100100 31533150150 37839780180 47299725225 63066300300 94599450450 189198900900
• Sum of all divisors σ(n): 619298607361
• Sum of proper divisors (its aliquot sum) s(n): 430099706461
• 189198900900 is an abundant number, because the sum of its proper divisors (430099706461) is greater than itself. Its abundance is 240900805561

Bases of 189198900900

• Binary: 10110000001101001000100001111010100100₂
• Hexadecimal: 0x2C0D221EA4
• Base-36: 2EX05290

Squares and roots of 189198900900

• 189198900900 squared (189198900900²) is 35796224101768020810000
• 189198900900 cubed (189198900900³) is 6772606256424599284020327729000000
• 189198900900 is a perfect square number. Its square root is 434970
• The cube root of 189198900900 is 5740.8059839785

Scales and comparisons

• 189,198,900,900 seconds is equal to 6,015 years, 48 weeks, 6 days, 2 hours, 15 minutes.
• To count from 1 to 189,198,900,900 would take you about twelve thousand and thirty-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 189198900900 cubic inches would be around 478.4 feet tall.

Recreational maths with 189198900900

• 189198900900 backwards is 009009891981
• 189198900900 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 189198900900's digits is 54
• More coming soon!