20421262944

Names of 20421262944

• Cardinal: 20421262944 can be written as Twenty billion, four hundred twenty-one million, two hundred sixty-two thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 2.0421262944 × 10¹⁰

Factors of 20421262944

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 321

Divisors of 20421262944

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 41 48 53 54 72 73 82 96 106 108 123 144 146 149 159 164 212 216 219 246 288 292 298 318 328 369 424 432 438 447 477 492 584 596 636 656 657 738 848 864 876 894 954 984 1107 1168 1192 1272 1312 1314 1341 1431 1476 1696 1752 1788 1908 1968 1971 2173 2214 2336 2384 2544 2628 2682 2862 2952 2993 3504 3576 3816 3869 3936 3942 4023 4346 4428 4768 5088 5256 5364 5724 5904 5986 6109 6519 7008 7152 7632 7738 7884 7897 8046 8692 8856 8979 10512 10728 10877 11448 11607 11808 11972 12218 13038 14304 15264 15476 15768 15794 16092 17384 17712 17958 18327 19557 21024 21456 21754 22896 23214 23691 23944 24436 26076 26937 30952 31536 31588 32184 32631 34768 34821 35424 35916 36654 39114 42912 43508 45792 46428 47382 47888 48872 52152 53874 54981 58671 61904 63072 63176 64368 65262 69536 69642 71073 71832 73308 78228 80811 87016 92856 94764 95776 97744 97893 104304 104463 107748 109962 117342 123808 126352 128736 130524 139284 142146 143664 146616 156456 158629 161622 164943 174032 185712 189528 195488 195786 208608 208926 213219 215496 219924 234684 252704 261048 278568 284292 287328 293232 293679 312912 317258 323244 323777 329886 348064 371424 379056 391572 417852 426438 430992 439848 445957 469368 475887 522096 557136 568584 576481 586464 587358 625824 634516 646488 647554 659772 758112 783144 835704 852876 861984 879696 891914 938736 951774 971331 1044192 1114272 1137168 1152962 1174716 1269032 1292976 1295108 1319544 1337871 1427661 1566288 1671408 1705752 1729443 1759392 1783828 1877472 1903548 1942662 2274336 2305924 2349432 2538064 2585952 2590216 2639088 2675742 2855322 2913993 3132576 3342816 3411504 3458886 3567656 3807096 3885324 4013613 4282983 4611848 4698864 5076128 5180432 5188329 5278176 5351484 5710644 5827986 6823008 6917772 7135312 7614192 7770648 8027226 8565966 8741979 9223696 9397728 10360864 10376658 10702968 11421288 11655972 12040839 13835544 14270624 15228384 15541296 15564987 16054452 17131932 17483958 18447392 20753316 21405936 22842576 23311944 23635721 24081678 27671088 31082592 31129974 32108904 34263864 34967916 41506632 42811872 45685152 46623888 47271442 48163356 55342176 62259948 64217808 68527728 69935832 70907163 83013264 93247776 94542884 96326712 124519896 128435616 137055456 139871664 141814326 166026528 189085768 192653424 212721489 249039792 279743328 283628652 378171536 385306848 425442978 498079584 567257304 638164467 756343072 850885956 1134514608 1276328934 1701771912 2269029216 2552657868 3403543824 5105315736 6807087648 10210631472 20421262944
• Sum of all divisors σ(n): 63440496000
• Sum of proper divisors (its aliquot sum) s(n): 43019233056
• 20421262944 is an abundant number, because the sum of its proper divisors (43019233056) is greater than itself. Its abundance is 22597970112

Bases of 20421262944

• Binary: 10011000001001100111011111001100000₂
• Hexadecimal: 0x4C133BE60
• Base-36: 9DQAJC0

Squares and roots of 20421262944

• 20421262944 squared (20421262944²) is 417027980227987547136
• 20421262944 cubed (20421262944³) is 8516238039240966768021850128384
• The square root of 20421262944 is 142902.9843775139
• The cube root of 20421262944 is 2733.3434124293

Scales and comparisons

• 20,421,262,944 seconds is equal to 649 years, 17 weeks, 2 days, 5 hours, 2 minutes, 24 seconds.
• To count from 1 to 20,421,262,944 would take you about one thousand, two hundred ninety-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 20421262944 cubic inches would be around 227.8 feet tall.

Recreational maths with 20421262944

• 20421262944 backwards is 44926212402
• 20421262944 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20421262944's digits is 36
• More coming soon!