221426720928

Names of 221426720928

• Cardinal: 221426720928 can be written as Two hundred twenty-one billion, four hundred twenty-six million, seven hundred twenty thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.21426720928 × 10¹¹

Factors of 221426720928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 9922

Divisors of 221426720928

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 23 24 27 28 32 36 42 46 48 49 54 56 63 69 72 84 92 96 98 108 112 126 138 144 147 161 168 184 189 196 207 216 224 252 276 288 294 322 336 368 378 392 414 432 441 483 504 529 552 588 621 644 672 736 756 784 828 864 882 966 1008 1058 1104 1127 1176 1242 1288 1323 1449 1512 1568 1587 1656 1764 1932 2016 2116 2208 2254 2352 2484 2576 2646 2898 3024 3174 3312 3381 3528 3703 3864 4232 4347 4508 4704 4761 4968 5152 5292 5796 6048 6348 6624 6762 7056 7406 7728 8464 8694 9016 9522 9887 9936 10143 10584 11109 11592 12696 13524 14112 14283 14812 15456 16928 17388 18032 19044 19774 19872 20286 21168 22218 23184 25392 25921 27048 28566 29624 29661 30429 33327 34776 36064 38088 39548 40572 42336 44436 46368 50784 51842 54096 57132 59248 59322 60858 66654 69209 69552 76176 77763 79096 81144 88872 88983 99981 103684 108192 114264 118496 118644 121716 133308 138418 139104 152352 155526 158192 162288 177744 177966 199962 207368 207627 227401 228528 233289 237288 243432 266616 266949 276836 311052 316384 324576 355488 355932 399924 414736 415254 454802 457056 466578 474576 484463 486864 533232 533898 553672 622104 622881 682203 699867 711864 799848 829472 830508 909604 933156 949152 968926 973728 1066464 1067796 1107344 1244208 1245762 1364406 1399734 1423728 1453389 1591807 1599696 1661016 1819208 1866312 1868643 1937852 2046609 2135592 2214688 2488416 2491524 2728812 2799468 2847456 2906778 3183614 3199392 3322032 3638416 3732624 3737286 3875704 4093218 4271184 4360167 4775421 4983048 5230223 5457624 5598936 5813556 6139827 6367228 6644064 7276832 7465248 7474572 7751408 8186436 8542368 8720334 9550842 9966096 10460446 10915248 11142649 11197872 11627112 12279654 12734456 13080501 14326263 14949144 15502816 15690669 16372872 17440668 19101684 19932192 20920892 21830496 22285298 22395744 23254224 24559308 25468912 26161002 28652526 29898288 31381338 32745744 33427947 34881336 36611561 38203368 41841784 42978789 44570596 46508448 47072007 49118616 50937824 52322004 57305052 59796576 62762676 65491488 66855894 69762672 73223122 76406736 83683568 85957578 89141192 94144014 98237232 100283841 104644008 109834683 114610104 125525352 133711788 139525344 141216021 146446244 152813472 167367136 171915156 178282384 188288028 196474464 200567682 209288016 219669366 229220208 251050704 256280927 267423576 282432042 292892488 300851523 329504049 343830312 356564768 376576056 401135364 418576032 439338732 458440416 502101408 512561854 534847152 564864084 585784976 601703046 659008098 687660624 753152112 768842781 802270728 878677464 988512147 1025123708 1069694304 1129728168 1171569952 1203406092 1318016196 1375321248 1506304224 1537685562 1604541456 1757354928 1977024294 2050247416 2259456336 2306528343 2406812184 2636032392 3075371124 3209082912 3514709856 3954048588 4100494832 4518912672 4613056686 4813624368 5272064784 6150742248 6919585029 7908097176 8200989664 9226113372 9627248736 10544129568 12301484496 13839170058 15816194352 18452226744 24602968992 27678340116 31632388704 36904453488 55356680232 73808906976 110713360464 221426720928
• Sum of all divisors σ(n): 785432712960
• Sum of proper divisors (its aliquot sum) s(n): 564005992032
• 221426720928 is an abundant number, because the sum of its proper divisors (564005992032) is greater than itself. Its abundance is 342579271104

Bases of 221426720928

• Binary: 11001110001110000011111010000010100000₂
• Hexadecimal: 0x338E0FA0A0
• Base-36: 2TPZR3C0

Squares and roots of 221426720928

• 221426720928 squared (221426720928²) is 49029792740926393181184
• 221426720928 cubed (221426720928³) is 10856506234402788667119631708618752
• The square root of 221426720928 is 470560.0077864671
• The cube root of 221426720928 is 6049.8323923059

Scales and comparisons

• 221,426,720,928 seconds is equal to 7,040 years, 35 weeks, 4 days, 6 hours, 28 minutes, 48 seconds.
• To count from 1 to 221,426,720,928 would take you about fourteen thousand and eighty-one 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 221426720928 cubic inches would be around 504.2 feet tall.

Recreational maths with 221426720928

• 221426720928 backwards is 829027624122
• The number of decimal digits it has is: 12
• The sum of 221426720928's digits is 45
• More coming soon!