20842390746

Names of 20842390746

• Cardinal: 20842390746 can be written as Twenty billion, eight hundred forty-two million, three hundred ninety thousand, seven hundred forty-six.

Scientific notation

• Scientific notation: 2.0842390746 × 10¹⁰

Factors of 20842390746

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 266

Divisors of 20842390746

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 6 9 18 19 23 27 37 38 46 54 57 69 73 74 81 109 111 114 138 146 162 171 207 218 219 222 327 333 342 414 437 438 513 621 654 657 666 703 851 874 981 999 1026 1242 1311 1314 1387 1406 1539 1679 1702 1863 1962 1971 1998 2071 2109 2507 2553 2622 2701 2774 2943 2997 3078 3358 3726 3933 3942 4033 4142 4161 4218 5014 5037 5106 5402 5886 5913 5994 6213 6327 7521 7659 7866 7957 8066 8103 8322 8829 10074 11799 11826 12099 12426 12483 12654 15042 15111 15318 15914 16169 16206 17658 18639 18981 22563 22977 23598 23871 24198 24309 24966 30222 31901 32338 35397 36297 37278 37449 37962 45126 45333 45954 47633 47742 48507 48618 51319 55917 56943 62123 63802 67689 68931 70794 71613 72594 72927 74898 76627 90666 92759 95266 95703 97014 102638 108891 111834 112347 113886 124246 135378 135999 137862 142899 143226 145521 145854 151183 153254 153957 167751 183011 185518 186369 191406 203067 214839 217782 218781 224694 229881 271998 278277 285798 287109 291042 294409 302366 307914 326673 335502 366022 372738 406134 428697 429678 436563 437562 453549 459762 461871 549033 556554 559107 574218 588818 644517 653346 689643 834831 857394 861327 873126 883227 907098 923742 1098066 1118214 1180337 1286091 1289034 1309689 1360647 1379286 1385613 1647099 1669662 1677321 1722654 1762421 1766454 2068929 2360674 2504493 2572182 2583981 2619378 2649681 2721294 2771226 3294198 3354642 3477209 3524842 3541011 3858273 4081941 4137858 4156839 4941297 5008986 5031963 5167962 5287263 5299362 5593771 6206787 6771407 6954418 7082022 7513479 7716546 7949043 8163882 8313678 9882594 10063926 10431627 10574526 10623033 11187542 12245823 12413574 13542814 14823891 15026958 15861789 15898086 16781313 20314221 20863254 21246066 23847129 24491646 29647782 31294881 31723578 31869099 33562626 40628442 47585367 47694258 50343939 60942663 62589762 63738198 93884643 95170734 95607297 100687878 121885326 128656733 142756101 151031817 182827989 187769286 191214594 257313466 281653929 285512202 302063634 365655978 385970199 453095451 548483967 563307858 771940398 906190902 1096967934 1157910597 2315821194 3473731791 6947463582 10421195373 20842390746
• Sum of all divisors σ(n): 53895916800
• Sum of proper divisors (its aliquot sum) s(n): 33053526054
• 20842390746 is an abundant number, because the sum of its proper divisors (33053526054) is greater than itself. Its abundance is 12211135308

Bases of 20842390746

• Binary: 10011011010010011011010010011011010₂
• Hexadecimal: 0x4DA4DA4DA
• Base-36: 9KP0RMI

Squares and roots of 20842390746

• 20842390746 squared (20842390746²) is 434405252008946436516
• 20842390746 cubed (20842390746³) is 9054044004485063117650754880936
• The square root of 20842390746 is 144368.9396857925
• The cube root of 20842390746 is 2752.0047418745

Scales and comparisons

• 20,842,390,746 seconds is equal to 662 years, 37 weeks, 4 days, 8 hours, 59 minutes, 6 seconds.
• To count from 1 to 20,842,390,746 would take you about one thousand, three hundred twenty-five 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 20842390746 cubic inches would be around 229.3 feet tall.

Recreational maths with 20842390746

• 20842390746 backwards is 64709324802
• The number of decimal digits it has is: 11
• The sum of 20842390746's digits is 45
• More coming soon!