21139463268

Names of 21139463268

• Cardinal: 21139463268 can be written as Twenty-one billion, one hundred thirty-nine million, four hundred sixty-three thousand, two hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1139463268 × 10¹⁰

Factors of 21139463268

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 340

Divisors of 21139463268

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 27 28 33 36 42 44 54 63 66 77 81 84 99 108 121 126 132 154 162 189 198 231 242 243 252 297 308 317 324 363 378 396 462 484 486 567 594 634 693 726 729 756 847 891 924 951 972 1089 1134 1188 1268 1386 1452 1458 1694 1701 1782 1902 2079 2178 2187 2219 2268 2541 2673 2772 2853 2916 3267 3388 3402 3487 3564 3804 4158 4356 4374 4438 5082 5103 5346 5706 6237 6534 6561 6657 6804 6974 7623 8019 8316 8559 8748 8876 9801 10164 10206 10461 10692 11412 12474 13068 13122 13314 13948 15246 15309 16038 17118 18711 19602 19683 19971 20412 20922 22869 24057 24409 24948 25677 26244 26628 29403 30492 30618 31383 32076 34236 37422 38357 39204 39366 39942 41844 45738 45927 48114 48818 51354 56133 58806 59913 61236 62766 68607 72171 73227 74844 76714 77031 78732 79884 88209 91476 91854 94149 96228 97636 102708 112266 115071 117612 119826 125532 137214 137781 144342 146454 153428 154062 168399 176418 179739 183708 188298 205821 216513 219681 224532 230142 231093 239652 264627 268499 274428 275562 282447 288684 292908 308124 336798 345213 352836 359478 376596 411642 433026 439362 460284 462186 505197 529254 536998 539217 551124 564894 617463 659043 673596 690426 693279 718956 793881 805497 823284 847341 866052 878724 924372 1010394 1035639 1058508 1073996 1078434 1129788 1234926 1318086 1380852 1386558 1515591 1587762 1610994 1617651 1694682 1852389 1977129 2020788 2071278 2079837 2156868 2381643 2416491 2469852 2542023 2636172 2773116 3031182 3106917 3175524 3221988 3235302 3389364 3704778 3954258 4142556 4159674 4763286 4832982 4852953 5084046 5557167 5931387 6062364 6213834 6239511 6470604 7249473 7409556 7626069 7908516 8319348 9320751 9526572 9665964 9705906 10168092 11114334 11862774 12427668 12479022 14498946 14558859 15252138 16671501 17794161 18641502 19411812 21748419 22228668 22878207 23725548 24958044 27962253 28997892 29117718 30504276 33343002 35588322 37283004 43496838 43676577 45756414 53382483 55924506 58235436 65245257 66686004 68634621 71176644 83886759 86993676 87353154 91512828 106764966 111849012 130490514 137269242 160147449 167773518 174706308 195735771 213529932 251660277 260981028 274538484 320294898 335547036 391471542 480442347 503320554 587207313 640589796 754980831 782943084 960884694 1006641108 1174414626 1509961662 1761621939 1921769388 2348829252 3019923324 3523243878 5284865817 7046487756 10569731634 21139463268
• Sum of all divisors σ(n): 69926531136
• Sum of proper divisors (its aliquot sum) s(n): 48787067868
• 21139463268 is an abundant number, because the sum of its proper divisors (48787067868) is greater than itself. Its abundance is 27647604600

Bases of 21139463268

• Binary: 10011101100000000101001110001100100₂
• Hexadecimal: 0x4EC029C64
• Base-36: 9PLW290

Squares and roots of 21139463268

• 21139463268 squared (21139463268²) is 446876907259121239824
• 21139463268 cubed (21139463268³) is 9446737966321636007218066784832
• The square root of 21139463268 is 145394.1651786619
• The cube root of 21139463268 is 2765.0181437987

Scales and comparisons

• 21,139,463,268 seconds is equal to 672 years, 8 weeks, 5 days, 17 hours, 7 minutes, 48 seconds.
• To count from 1 to 21,139,463,268 would take you about one thousand, three hundred forty-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 21139463268 cubic inches would be around 230.4 feet tall.

Recreational maths with 21139463268

• 21139463268 backwards is 86236493112
• The number of decimal digits it has is: 11
• The sum of 21139463268's digits is 45
• More coming soon!