20890349172

Names of 20890349172

• Cardinal: 20890349172 can be written as Twenty billion, eight hundred ninety million, three hundred forty-nine thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.0890349172 × 10¹⁰

Factors of 20890349172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 155

Divisors of 20890349172

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 29 33 36 42 44 54 58 63 66 77 84 87 99 103 108 116 126 132 154 174 189 198 203 206 231 252 261 297 308 309 319 348 378 396 406 412 462 522 594 609 618 638 693 721 756 783 812 841 924 927 957 1044 1133 1188 1218 1236 1276 1386 1442 1566 1682 1827 1854 1914 2079 2163 2233 2266 2436 2523 2772 2781 2871 2884 2987 3132 3364 3399 3654 3708 3828 4158 4326 4466 4532 5046 5481 5562 5742 5887 5974 6489 6699 6798 7308 7569 7931 8316 8613 8652 8932 8961 9251 10092 10197 10962 11124 11484 11774 11948 12978 13398 13596 15138 15862 17226 17661 17922 18502 19467 20097 20394 20909 21924 22707 23548 23793 24389 25956 26796 26883 27753 30276 30591 31724 32857 34452 35322 35844 37004 38934 40194 40788 41818 45414 47586 48778 52983 53766 55506 60291 61182 62727 64757 65714 70644 71379 73167 77868 80388 80649 83259 83636 86623 90828 95172 97556 98571 105966 107532 111012 120582 122364 125454 129514 131428 142758 146334 158949 161298 166518 170723 173246 188181 194271 197142 211932 214137 219501 229999 241164 249777 250908 259028 259869 268279 285516 292668 295713 317898 322596 333036 341446 346492 376362 388542 394284 428274 439002 459998 499554 512169 519738 536558 564543 582813 591426 606361 635796 658503 682892 689997 752724 777084 779607 804837 856548 878004 887139 919996 952853 999108 1024338 1039476 1073116 1129086 1165626 1182852 1212722 1317006 1379994 1536507 1559214 1609674 1748439 1774278 1819083 1877953 1905706 2048676 2069991 2258172 2331252 2338821 2414511 2425444 2512067 2634012 2759988 2858559 3073014 3118428 3219348 3496878 3548556 3638166 3755906 3811412 4139982 4609521 4677642 4829022 5024134 5457249 5633859 5717118 6146028 6209973 6669971 6993756 7243533 7276332 7511812 7536201 8279964 8575677 9219042 9355284 9658044 10048268 10914498 11267718 11434236 12419946 13339942 14487066 15072402 16371747 16901577 17151354 17584469 18438084 20009913 21828996 22535436 22608603 24839892 25727031 26679884 27632737 28974132 30144804 32743494 33803154 34302708 35168938 40019826 45217206 50704731 51454062 52753407 55265474 60029739 65486988 67606308 67825809 70337876 80039652 82898211 90434412 101409462 102908124 105506814 110530948 120059478 135651618 158260221 165796422 180089217 193429159 202818924 211013628 240118956 248694633 271303236 316520442 331592844 360178434 386858318 474780663 497389266 580287477 633040884 720356868 746083899 773716636 949561326 994778532 1160574954 1492167798 1740862431 1899122652 2321149908 2984335596 3481724862 5222587293 6963449724 10445174586 20890349172
• Sum of all divisors σ(n): 70614835200
• Sum of proper divisors (its aliquot sum) s(n): 49724486028
• 20890349172 is an abundant number, because the sum of its proper divisors (49724486028) is greater than itself. Its abundance is 28834136856

Bases of 20890349172

• Binary: 10011011101001010010110111001110100₂
• Hexadecimal: 0x4DD296E74
• Base-36: 9LHKOL0

Squares and roots of 20890349172

• 20890349172 squared (20890349172²) is 436406688528081085584
• 20890349172 cubed (20890349172³) is 9116688104347860604978575536448
• The square root of 20890349172 is 144534.9410073565
• The cube root of 20890349172 is 2754.1139163345

Scales and comparisons

• 20,890,349,172 seconds is equal to 664 years, 12 weeks, 6 days, 10 hours, 46 minutes, 12 seconds.
• To count from 1 to 20,890,349,172 would take you about one thousand, three hundred twenty-eight 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 20890349172 cubic inches would be around 229.5 feet tall.

Recreational maths with 20890349172

• 20890349172 backwards is 27194309802
• The number of decimal digits it has is: 11
• The sum of 20890349172's digits is 45
• More coming soon!