221991336640

Names of 221991336640

• Cardinal: 221991336640 can be written as Two hundred twenty-one billion, nine hundred ninety-one million, three hundred thirty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.2199133664 × 10¹¹

Factors of 221991336640

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 498

Divisors of 221991336640

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 8 10 16 17 19 20 32 34 38 40 61 64 68 76 80 85 95 122 136 137 152 160 170 190 244 257 272 274 304 305 320 323 340 380 488 514 544 548 608 610 646 680 685 760 976 1028 1037 1088 1096 1159 1216 1220 1285 1292 1360 1370 1520 1615 1952 2056 2074 2192 2318 2329 2440 2570 2584 2603 2720 2740 3040 3230 3904 4112 4148 4369 4384 4636 4658 4880 4883 5140 5168 5185 5206 5440 5480 5795 6080 6460 8224 8296 8357 8738 8768 9272 9316 9760 9766 10280 10336 10370 10412 10960 11590 11645 12920 13015 15677 16448 16592 16714 17476 18544 18632 19520 19532 19703 20560 20672 20740 20824 21845 21920 23180 23290 24415 25840 26030 31354 33184 33428 34952 35209 37088 37264 39064 39406 41120 41480 41648 41785 43690 43840 44251 46360 46580 48830 51680 52060 62708 66368 66856 69904 70418 74176 74528 78128 78385 78812 82240 82960 83011 83296 83570 87380 88502 92720 93160 97660 98515 103360 104120 125416 133712 139808 140836 142069 149056 156256 156770 157624 158783 165920 166022 166592 167140 174760 176045 177004 185440 186320 195320 197030 208240 221255 250832 266509 267424 279616 281672 284138 297863 312512 313540 315248 317566 331840 332044 334280 349520 352090 354008 370880 372640 390640 394060 415055 416480 442510 501664 533018 534848 563344 568276 595726 598553 627080 630496 635132 664088 668560 668971 699040 704180 708016 710345 745280 781280 788120 793915 830110 832960 885020 1003328 1066036 1126688 1136552 1191452 1197106 1254160 1260992 1270264 1328176 1332545 1337120 1337942 1398080 1408360 1416032 1420690 1489315 1562560 1576240 1587830 1660220 1770040 2132072 2147749 2253376 2273104 2382904 2394212 2508320 2540528 2656352 2665090 2674240 2675884 2699311 2816720 2832064 2841380 2978630 2992765 3152480 3175660 3320440 3344855 3540080 4264144 4295498 4546208 4765808 4788424 5016640 5063671 5081056 5312704 5330180 5351768 5398622 5633440 5682760 5957260 5985530 6304960 6351320 6640880 6689710 7080160 8528288 8590996 9092416 9531616 9576848 10127342 10162112 10660360 10703536 10738745 10797244 11266880 11365520 11372507 11914520 11971060 12702640 13281760 13379420 13496555 14160320 17056576 17181992 19063232 19153696 20254684 21320720 21407072 21477490 21594488 22731040 22745014 23829040 23942120 25318355 25405280 26563520 26758840 26993110 34363984 36511733 38307392 40509368 40807231 42641440 42814144 42954980 43188976 45462080 45490028 47658080 47884240 50636710 50810560 53517680 53986220 56862535 68727968 73023466 81018736 81614462 85282880 85909960 86377952 90980056 95316160 95768480 101273420 107035360 107972440 113725070 137455936 146046932 162037472 163228924 171819920 172755904 181960112 182558665 191536960 202546840 204036155 214070720 215944880 227450140 292093864 324074944 326457848 343639840 363920224 365117330 405093680 408072310 431889760 454900280 584187728 652915696 687279680 693722927 727840448 730234660 810187360 816144620 863779520 909800560 1168375456 1305831392 1387445854 1460469320 1620374720 1632289240 1819601120 2336750912 2611662784 2774891708 2920938640 3264578480 3468614635 3639202240 5549783416 5841877280 6529156960 6937229270 11099566832 11683754560 13058313920 13874458540 22199133664 27748917080 44398267328 55497834160 110995668320 221991336640
• Sum of all divisors σ(n): 605547135360
• Sum of proper divisors (its aliquot sum) s(n): 383555798720
• 221991336640 is an abundant number, because the sum of its proper divisors (383555798720) is greater than itself. Its abundance is 161564462080

Bases of 221991336640

• Binary: 11001110101111101101101111101011000000₂
• Hexadecimal: 0x33AFB6FAC0
• Base-36: 2TZBWRLS

Squares and roots of 221991336640

• 221991336640 squared (221991336640²) is 49280153543213806489600
• 221991336640 cubed (221991336640³) is 10939767154882464903928610258944000
• The square root of 221991336640 is 471159.5660071013
• The cube root of 221991336640 is 6054.9701811189

Scales and comparisons

• 221,991,336,640 seconds is equal to 7,058 years, 33 weeks, 1 day, 4 hours, 10 minutes, 40 seconds.
• To count from 1 to 221,991,336,640 would take you about fourteen thousand, one hundred seventeen 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 221991336640 cubic inches would be around 504.6 feet tall.

Recreational maths with 221991336640

• 221991336640 backwards is 046633199122
• The number of decimal digits it has is: 12
• The sum of 221991336640's digits is 46
• More coming soon!