20823706890

Names of 20823706890

• Cardinal: 20823706890 can be written as Twenty billion, eight hundred twenty-three million, seven hundred six thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 2.082370689 × 10¹⁰

Factors of 20823706890

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 111

Divisors of 20823706890

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 41 42 45 49 53 63 70 82 90 98 105 106 123 126 147 159 205 210 245 246 265 287 294 315 318 369 371 410 441 477 490 530 574 615 630 735 738 742 795 861 882 954 1113 1230 1435 1470 1590 1681 1722 1845 1855 2009 2173 2205 2226 2385 2583 2597 2809 2870 3339 3362 3690 3710 4018 4305 4346 4410 4770 5043 5166 5194 5565 5618 6027 6519 6678 7791 8405 8427 8610 10045 10086 10865 11130 11767 12054 12915 12985 13038 14045 15129 15211 15582 16695 16810 16854 18081 19557 19663 20090 21730 23373 23534 25215 25281 25830 25970 28090 30135 30258 30422 32595 33390 35301 36162 38955 39114 39326 42135 45633 46746 50430 50562 58835 58989 60270 65190 70602 75645 76055 77910 82369 84270 89093 90405 91266 97785 98315 105903 106477 115169 116865 117670 117978 126405 136899 137641 151290 152110 164738 176505 176967 178186 180810 195570 196630 211806 212954 228165 230338 233730 247107 252810 267279 273798 275282 294945 319431 345507 353010 353934 411845 412923 445465 456330 494214 529515 532385 534558 575845 589890 623651 638862 684495 688205 691014 741321 801837 806183 823690 825846 884835 890930 958293 1036521 1059030 1064770 1151690 1235535 1238769 1247302 1336395 1368990 1376410 1482642 1597155 1603674 1612366 1727535 1769670 1870953 1916586 2064615 2073042 2418549 2471070 2477538 2672790 3118255 3194310 3455070 3706605 3741906 4009185 4030915 4129230 4365557 4721929 4791465 4837098 5182605 5612859 5643281 6193845 6236510 7255647 7413210 8018370 8061830 8731114 9354765 9443858 9582930 10365210 11225718 11286562 12092745 12387690 13096671 14165787 14511294 16929843 18709530 21827785 23609645 24185490 26193342 28064295 28216405 28331574 33053503 33859686 36278235 39290013 42497361 43655570 47219290 50789529 56128590 56432810 65483355 66107006 70828935 72556470 78580026 84649215 84994722 99160509 101579058 130966710 141657870 165267515 169298430 196450065 198321018 212486805 231374521 253947645 297481527 330535030 392900130 424973610 462749042 495802545 507895290 594963054 694123563 991605090 1156872605 1388247126 1487407635 2082370689 2313745210 2974815270 3470617815 4164741378 6941235630 10411853445 20823706890
• Sum of all divisors σ(n): 65795673762
• Sum of proper divisors (its aliquot sum) s(n): 44971966872
• 20823706890 is an abundant number, because the sum of its proper divisors (44971966872) is greater than itself. Its abundance is 24148259982

Bases of 20823706890

• Binary: 10011011001001100001000110100001010₂
• Hexadecimal: 0x4D9308D0A
• Base-36: 9KDWB2I

Squares and roots of 20823706890

• 20823706890 squared (20823706890²) is 433626768640633472100
• 20823706890 cubed (20823706890³) is 9029716729830395166933392769000
• The square root of 20823706890 is 144304.2164664637
• The cube root of 20823706890 is 2751.1821645781

Scales and comparisons

• 20,823,706,890 seconds is equal to 662 years, 6 weeks, 5 days, 3 hours, 1 minute, 30 seconds.
• To count from 1 to 20,823,706,890 would take you about one thousand, three hundred twenty-four 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 20823706890 cubic inches would be around 229.3 feet tall.

Recreational maths with 20823706890

• 20823706890 backwards is 09860732802
• 20823706890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20823706890's digits is 45
• More coming soon!