221428972968

Names of 221428972968

• Cardinal: 221428972968 can be written as Two hundred twenty-one billion, four hundred twenty-eight million, nine hundred seventy-two thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 2.21428972968 × 10¹¹

Factors of 221428972968

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 331

Divisors of 221428972968

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 17 19 21 24 28 34 38 42 47 49 51 56 57 68 76 79 84 94 98 102 114 119 133 136 141 147 152 157 158 168 188 196 204 228 237 238 266 282 294 314 316 323 329 357 376 392 399 408 456 471 474 476 532 553 564 588 628 632 646 658 714 798 799 833 893 931 942 948 952 969 987 1064 1099 1106 1128 1176 1256 1292 1316 1343 1428 1501 1596 1598 1659 1666 1786 1862 1884 1896 1938 1974 2198 2212 2261 2303 2397 2499 2584 2632 2669 2679 2686 2793 2856 2983 3002 3192 3196 3297 3318 3332 3572 3713 3724 3768 3871 3876 3948 4029 4396 4424 4503 4522 4606 4794 4998 5338 5358 5372 5586 5593 5966 6004 6251 6392 6594 6636 6664 6783 6909 7144 7379 7426 7448 7693 7742 7752 7896 8007 8058 8792 8949 9006 9044 9212 9401 9588 9996 10507 10676 10716 10744 11139 11172 11186 11613 11932 12008 12403 12502 13188 13272 13566 13818 14758 14852 15181 15386 15484 15827 16014 16116 16779 17898 18012 18088 18424 18683 18753 18802 19176 19992 20881 21014 21352 21432 22137 22278 22344 22372 23079 23226 23864 24806 25004 25517 25991 26376 27132 27636 28203 29516 29704 30362 30772 30968 31521 31654 32028 32232 33558 35796 36024 37209 37366 37506 37604 39151 41762 42028 43757 44274 44556 44744 45543 46158 46452 47481 49612 50008 50711 51034 51653 51982 54264 55272 56049 56406 59032 60724 61544 62643 63042 63121 63308 64056 65807 67116 70547 71592 73549 74418 74732 75012 75208 76551 77973 78302 83524 84056 86821 87514 88548 89112 91086 92316 92904 94962 99224 101422 102068 103306 103964 106267 112098 112812 117453 121448 125286 125443 126084 126242 126616 130781 131271 131614 134232 140201 141094 146167 147098 148836 149464 150024 152133 153102 154959 155946 156604 167048 173642 175028 177096 178619 181937 182172 184632 189363 189924 197421 202844 204136 206612 207928 210851 211641 212534 220647 224196 225624 234906 235657 250572 250886 252168 252484 260463 261562 262542 263228 280402 282188 292334 294196 297672 304266 306204 309918 311892 313208 318801 347284 350056 354977 357238 361571 363874 364344 376329 378726 379848 392343 394842 405688 413224 420603 421702 423282 425068 438501 441294 441847 448392 469812 471314 493829 501144 501772 504968 520926 523124 525084 526456 535857 545811 560804 564376 582941 584668 588392 607747 608532 612408 619836 623784 632553 637602 694568 706971 709954 714476 723142 727748 743869 752658 757452 784686 789684 841206 843404 846564 850136 877002 878101 882588 883694 939624 942628 981407 987658 1003544 1041852 1046248 1050168 1064931 1071714 1084713 1091622 1121608 1165882 1169336 1199299 1215494 1217064 1239672 1250333 1265106 1275204 1325541 1413942 1419908 1428952 1446284 1455496 1475957 1481487 1487738 1505316 1514904 1569372 1579368 1649599 1682412 1686808 1693128 1748823 1754004 1756202 1765176 1767388 1823241 1885256 1962814 1975316 2083704 2129862 2143428 2169426 2183244 2231607 2331764 2383417 2398598 2430988 2484839 2500666 2530212 2550408 2634303 2651082 2827884 2839816 2892568 2944221 2951914 2962974 2975476 3010632 3092929 3138744 3299198 3364824 3456803 3497646 3508008 3512404 3534776 3597897 3646482 3750999 3925628 3950632 4006169 4080587 4259724 4286856 4338852 4366488 4427871 4463214 4663528 4766834 4797196 4861976 4948797 4969678 5001332 5060424 5268606 5302164 5655768 5888442 5903828 5925948 5950952 6146707 6185858 6598396 6869849 6913606 6995292 7024808 7150251 7195794 7292964 7454517 7501998 7851256 8012338 8161174 8395093 8519448 8677704 8855742 8926428 9278787 9533668 9594392 9897594 9909997 9939356 10002664 10331699 10370409 10537212 10604328 11075879 11547193 11776884 11807656 11851896 12018507 12241761 12293414 12371716 13196792 13739698 13827212 13990584 14300502 14391588 14585928 14909034 15003996 16024676 16322348 16683919 16790186 17711484 17852856 18440121 18557574 19067336 19795188 19819994 19878712 20609547 20663398 20740818 21074424 22151758 23094386 23553768 24037014 24483522 24586828 24743432 25185279 27479396 27654424 28043183 28564109 28601004 28783176 29729991 29818068 30007992 30995097 32049352 32644696 33227637 33367838 33580372 34641579 35422968 36880242 37115148 39590376 39639988 41219094 41326796 41481636 44303516 46188772 48074028 48967044 49173656 50051757 50370558 54958792 56086366 57128218 57202008 58765651 59459982 59636136 61990194 66455274 66735676 67160744 69283158 69369979 73760484 74230296 77531153 79279976 82438188 82653592 82963272 84129549 85692327 88607032 92377544 96148056 97934088 100103514 100741116 112172732 114256436 116787433 117531302 118919964 123980388 132910548 133471352 138566316 138739958 147520968 155062306 164876376 168259098 171384654 176296953 188289943 196302281 200207028 201482232 208109937 224345464 228512872 232593459 233574866 235062604 237839928 247960776 265821096 277132632 277479916 310124612 336518196 342769308 350362299 352593906 376579886 392604562 400414056 416219874 465186918 467149732 470125208 485589853 542718071 554959832 564869829 588906843 620249224 673036392 685538616 700724598 705187812 753159772 785209124 832439748 930373836 934299464 971179706 1085436142 1129739658 1177813686 1318029601 1401449196 1410375624 1456769559 1506319544 1570418248 1628154213 1664879496 1860747672 1942359412 2170872284 2259479316 2355627372 2636059202 2802898392 2913539118 3256308426 3884718824 3954088803 4341744568 4518958632 4711254744 5272118404 5827078236 6512616852 7908177606 9226207207 10544236808 11654156472 13025233704 15816355212 18452414414 27678621621 31632710424 36904828828 55357243242 73809657656 110714486484 221428972968
• Sum of all divisors σ(n): 746993664000
• Sum of proper divisors (its aliquot sum) s(n): 525564691032
• 221428972968 is an abundant number, because the sum of its proper divisors (525564691032) is greater than itself. Its abundance is 304135718064

Bases of 221428972968

• Binary: 11001110001110001100011111110110101000₂
• Hexadecimal: 0x338E31FDA8
• Base-36: 2TQ13D0O

Squares and roots of 221428972968

• 221428972968 squared (221428972968²) is 49030790069663274729024
• 221428972968 cubed (221428972968³) is 10856837488935152096835412821023232
• The square root of 221428972968 is 470562.4007164193
• The cube root of 221428972968 is 6049.8529023543

Scales and comparisons

• 221,428,972,968 seconds is equal to 7,040 years, 39 weeks, 2 days, 8 hours, 2 minutes, 48 seconds.
• To count from 1 to 221,428,972,968 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 221428972968 cubic inches would be around 504.2 feet tall.

Recreational maths with 221428972968

• 221428972968 backwards is 869279824122
• The number of decimal digits it has is: 12
• The sum of 221428972968's digits is 60
• More coming soon!