21028642362

Names of 21028642362

• Cardinal: 21028642362 can be written as Twenty-one billion, twenty-eight million, six hundred forty-two thousand, three hundred sixty-two.

Scientific notation

• Scientific notation: 2.1028642362 × 10¹⁰

Factors of 21028642362

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 190

Divisors of 21028642362

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 27 31 39 42 54 61 62 63 73 78 91 93 117 122 126 146 182 183 186 189 217 219 234 273 279 351 366 378 403 427 434 438 511 546 549 558 651 657 702 793 806 819 837 854 949 961 1022 1098 1209 1281 1302 1314 1533 1586 1638 1647 1674 1891 1898 1922 1953 1971 2263 2379 2418 2457 2562 2821 2847 2883 3066 3294 3627 3782 3843 3906 3942 4453 4526 4599 4758 4914 5551 5642 5673 5694 5766 5859 6643 6727 6789 7137 7254 7686 8463 8541 8649 8906 9198 10881 11102 11346 11529 11718 12493 13237 13286 13359 13454 13578 13797 14274 15841 16653 16926 17019 17082 17298 19929 20181 20367 21411 21762 23058 24583 24986 25389 25623 25947 26474 26718 27594 29419 31171 31682 33306 34038 37479 39711 39858 40077 40362 40734 42822 47523 49166 49959 50778 51057 51246 51894 57889 58621 58838 59787 60543 61101 62342 70153 73749 74958 76167 79422 80154 87451 88257 93513 95046 99918 102114 112437 115778 117242 119133 119574 120231 121086 122202 138043 140306 142569 147498 149877 152334 172081 173667 174902 175863 176514 179361 181629 187026 205933 210459 221247 224874 238266 240462 262353 264771 276086 280539 285138 299754 337311 344162 347334 351726 357399 358722 363258 405223 410347 411866 414129 420918 427707 442494 491071 516243 521001 524706 527589 529542 561078 617799 631377 663741 674622 714798 762073 787059 794313 810446 820694 828258 841617 855414 911989 966301 982142 1032486 1042002 1055178 1215669 1231041 1235598 1242387 1262754 1327482 1473213 1524146 1548729 1563003 1574118 1582767 1588626 1683234 1794559 1823978 1853397 1894131 1932602 2286219 2361177 2431338 2462082 2484774 2735967 2898903 2946426 3097458 3126006 3165534 3589118 3647007 3693123 3706794 3727161 3788262 4279333 4419639 4572438 4646187 4722354 5334511 5383677 5471934 5560191 5797806 6383923 6858657 7294014 7386246 7454322 8207901 8558666 8696709 8839278 9292374 10669022 10767354 10941021 11079369 11120382 12561913 12767846 12837999 13258917 13717314 16003533 16151031 16415802 17393418 19151769 20575971 21882042 22158738 24623703 25123826 25675998 26090127 26517834 29955331 32007066 32302062 37685739 38303538 38513997 41151942 48010599 48453093 49247406 52180254 55631329 57455307 59910662 75371478 77027994 89865993 96021198 96906186 111262658 113057217 114910614 115541991 144031797 166893987 172365921 179731986 226114434 231083982 269597979 288063594 333787974 339171651 344731842 389419303 500681961 539195958 678343302 778838606 808793937 1001363922 1168257909 1502045883 1617587874 2336515818 3004091766 3504773727 7009547454 10514321181 21028642362
• Sum of all divisors σ(n): 61231080960
• Sum of proper divisors (its aliquot sum) s(n): 40202438598
• 21028642362 is an abundant number, because the sum of its proper divisors (40202438598) is greater than itself. Its abundance is 19173796236

Bases of 21028642362

• Binary: 10011100101011001111001111000111010₂
• Hexadecimal: 0x4E5679E3A
• Base-36: 9NRWSAI

Squares and roots of 21028642362

• 21028642362 squared (21028642362²) is 442203799588900939044
• 21028642362 cubed (21028642362³) is 9298945552672520471802238181928
• The square root of 21028642362 is 145012.5593250461
• The cube root of 21028642362 is 2760.1779256751

Scales and comparisons

• 21,028,642,362 seconds is equal to 668 years, 33 weeks, 4 days, 1 hour, 32 minutes, 42 seconds.
• To count from 1 to 21,028,642,362 would take you about one thousand, three hundred thirty-seven 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 21028642362 cubic inches would be around 230 feet tall.

Recreational maths with 21028642362

• 21028642362 backwards is 26324682012
• The number of decimal digits it has is: 11
• The sum of 21028642362's digits is 36
• More coming soon!