18821341980

Names of 18821341980

• Cardinal: 18821341980 can be written as Eighteen billion, eight hundred twenty-one million, three hundred forty-one thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.882134198 × 10¹⁰

Factors of 18821341980

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 13491

Divisors of 18821341980

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 49 53 54 60 63 70 84 90 98 105 106 108 126 135 140 147 159 180 189 196 210 212 245 252 265 270 294 315 318 371 378 420 441 477 490 530 540 588 630 636 735 742 756 795 882 945 954 980 1060 1113 1260 1323 1431 1470 1484 1590 1764 1855 1890 1908 2205 2226 2385 2597 2646 2862 2940 3180 3339 3710 3780 4410 4452 4770 5194 5292 5565 5724 6615 6678 7155 7420 7791 8820 9540 10017 10388 11130 12985 13230 13356 13421 14310 15582 16695 20034 22260 23373 25970 26460 26842 28620 31164 33390 38955 40068 40263 46746 50085 51940 53684 66780 67105 70119 77910 80526 93492 93947 100170 116865 120789 134210 140238 155820 161052 187894 200340 201315 233730 241578 268420 280476 281841 350595 362367 375788 402630 467460 469735 483156 563682 603945 657629 701190 711313 724734 805260 845523 939470 1127364 1207890 1315258 1402380 1409205 1422626 1449468 1691046 1811835 1878940 1972887 2133939 2415780 2536569 2630516 2818410 2845252 3288145 3382092 3556565 3623670 3945774 4227615 4267878 4979191 5073138 5636820 5918661 6401817 6576290 7113130 7247340 7891548 8455230 8535756 9864435 9958382 10146276 10669695 11837322 12682845 12803634 13152580 14226260 14937573 16910460 17755983 19205451 19728870 19916764 21339390 23674644 24895955 25365690 25607268 29593305 29875146 32009085 34854337 35511966 38410902 39457740 42678780 44812719 49791910 50731380 59186610 59750292 64018170 69708674 71023932 74687865 76821804 88779915 89625438 96027255 99583820 104563011 118373220 128036340 134438157 139417348 149375730 174271685 177559830 179250876 192054510 209126022 224063595 268876314 298751460 313689033 348543370 355119660 384109020 418252044 448127190 522815055 537752628 627378066 672190785 697086740 896254380 941067099 1045630110 1254756132 1344381570 1568445165 1882134198 2091260220 2688763140 3136890330 3764268396 4705335495 6273780660 9410670990 18821341980
• Sum of all divisors σ(n): 69405698880
• Sum of proper divisors (its aliquot sum) s(n): 50584356900
• 18821341980 is an abundant number, because the sum of its proper divisors (50584356900) is greater than itself. Its abundance is 31763014920

Bases of 18821341980

• Binary: 10001100001110101101110001100011100₂
• Hexadecimal: 0x461D6E31C
• Base-36: 8N9QOF0

Squares and roots of 18821341980

• 18821341980 squared (18821341980²) is 354242913928110320400
• 18821341980 cubed (18821341980³) is 6667327027032669475415770392000
• The square root of 18821341980 is 137190.8961265287
• The cube root of 18821341980 is 2660.0115881305

Scales and comparisons

• 18,821,341,980 seconds is equal to 598 years, 23 weeks, 6 days, 14 hours, 33 minutes.
• To count from 1 to 18,821,341,980 would take you about one thousand, one hundred ninety-six 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 18821341980 cubic inches would be around 221.7 feet tall.

Recreational maths with 18821341980

• 18821341980 backwards is 08914312881
• 18821341980 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18821341980's digits is 45
• More coming soon!