21698247942

Names of 21698247942

• Cardinal: 21698247942 can be written as Twenty-one billion, six hundred ninety-eight million, two hundred forty-seven thousand, nine hundred forty-two.

Scientific notation

• Scientific notation: 2.1698247942 × 10¹⁰

Factors of 21698247942

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 270

Divisors of 21698247942

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 7 9 14 17 18 21 31 34 42 51 62 63 83 93 102 119 126 127 153 166 186 217 238 249 254 279 306 357 381 434 498 527 558 581 651 714 747 762 889 961 1054 1071 1143 1162 1302 1411 1494 1581 1743 1778 1922 1953 2142 2159 2286 2573 2667 2822 2883 3162 3486 3689 3906 3937 4233 4318 4743 5146 5229 5334 5766 6477 6727 7378 7719 7874 8001 8466 8649 9486 9877 10458 10541 11067 11811 12699 12954 13454 15113 15438 16002 16337 17298 18011 19431 19754 20181 21082 22134 23157 23622 25398 27559 29631 30226 31623 32674 33201 35433 36022 38862 40362 43741 45339 46314 49011 54033 55118 59262 60543 63246 66402 66929 70866 73787 79763 82677 87482 88893 90678 94869 98022 108066 114359 121086 122047 131223 133858 136017 147033 147574 159526 162099 165354 177786 179197 189738 200787 221361 228718 239289 244094 248031 262446 272034 294066 306187 324198 326771 343077 358394 366141 393669 401574 442722 468503 478578 496062 537591 558341 602361 612374 653542 664083 686154 717867 732282 787338 854329 918561 937006 980313 1029231 1075182 1098423 1116682 1204722 1254379 1328166 1355971 1405509 1435734 1612773 1675023 1708658 1837122 1960626 2058462 2074799 2196846 2287397 2508758 2562987 2711942 2755683 2811018 2940939 3225546 3350046 3763137 4067913 4149598 4216527 4574794 5025069 5125974 5511366 5555107 5881878 6224397 6862191 7526274 7688961 8135826 8433054 9491797 10050138 10129901 11110214 11289411 12203739 12448794 13724382 14523593 15377922 16665321 18673191 18983594 20259802 20586573 22578822 24407478 28475391 29047186 30389703 33330642 37346382 38885749 41173146 43570779 49995963 56950782 60779406 70909307 77771498 85426173 87141558 91169109 99991926 116657247 130712337 141818614 170852346 172208317 182338218 212727921 233314494 261424674 344416634 349971741 425455842 516624951 638183763 699943482 1033249902 1205458219 1276367526 1549874853 2410916438 3099749706 3616374657 7232749314 10849123971 21698247942
• Sum of all divisors σ(n): 59960549376
• Sum of proper divisors (its aliquot sum) s(n): 38262301434
• 21698247942 is an abundant number, because the sum of its proper divisors (38262301434) is greater than itself. Its abundance is 16564053492

Bases of 21698247942

• Binary: 10100001101010100001111110100000110₂
• Hexadecimal: 0x50D50FD06
• Base-36: 9YUKR9I

Squares and roots of 21698247942

• 21698247942 squared (21698247942²) is 470813963752507235364
• 21698247942 cubed (21698247942³) is 10215838120057702717077022620888
• The square root of 21698247942 is 147303.2516341713
• The cube root of 21698247942 is 2789.1693823689

Scales and comparisons

• 21,698,247,942 seconds is equal to 689 years, 48 weeks, 5 days, 3 hours, 5 minutes, 42 seconds.
• To count from 1 to 21,698,247,942 would take you about one thousand, three hundred seventy-nine 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 21698247942 cubic inches would be around 232.4 feet tall.

Recreational maths with 21698247942

• 21698247942 backwards is 24974289612
• The number of decimal digits it has is: 11
• The sum of 21698247942's digits is 54
• More coming soon!