71561968128

Names of 71561968128

• Cardinal: 71561968128 can be written as Seventy-one billion, five hundred sixty-one million, nine hundred sixty-eight thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 7.1561968128 × 10¹⁰

Factors of 71561968128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 786

Divisors of 71561968128

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 54 56 63 64 72 81 84 96 108 112 126 127 128 144 162 168 189 192 216 224 243 252 254 256 288 324 336 378 381 384 432 448 486 504 508 512 567 576 647 648 672 756 762 768 864 889 896 972 1008 1016 1134 1143 1152 1294 1296 1344 1512 1524 1536 1701 1728 1778 1792 1941 1944 2016 2032 2268 2286 2304 2588 2592 2667 2688 3024 3048 3402 3429 3456 3556 3584 3882 3888 4032 4064 4529 4536 4572 4608 5176 5184 5334 5376 5823 6048 6096 6804 6858 6912 7112 7764 7776 8001 8064 8128 9058 9072 9144 10287 10352 10368 10668 10752 11646 12096 12192 13587 13608 13716 13824 14224 15528 15552 16002 16128 16256 17469 18116 18144 18288 20574 20704 20736 21336 23292 24003 24192 24384 27174 27216 27432 28448 30861 31056 31104 32004 32256 32512 34938 36232 36288 36576 40761 41148 41408 41472 42672 46584 48006 48384 48768 52407 54348 54432 54864 56896 61722 62112 62208 64008 65024 69876 72009 72464 72576 73152 81522 82169 82296 82816 85344 93168 96012 96768 97536 104814 108696 108864 109728 113792 122283 123444 124224 124416 128016 139752 144018 144928 145152 146304 157221 163044 164338 164592 165632 170688 186336 192024 195072 209628 216027 217392 217728 219456 227584 244566 246507 246888 248448 256032 279504 288036 289856 290304 292608 314442 326088 328676 329184 331264 341376 366849 372672 384048 419256 432054 434784 435456 438912 455168 489132 493014 493776 496896 512064 559008 575183 576072 579712 585216 628884 652176 657352 658368 682752 733698 739521 745344 768096 838512 864108 869568 870912 877824 978264 986028 987552 993792 1024128 1100547 1118016 1150366 1152144 1159424 1257768 1304352 1314704 1316736 1365504 1467396 1479042 1490688 1536192 1677024 1725549 1728216 1739136 1755648 1956528 1972056 1975104 2048256 2201094 2218563 2236032 2300732 2304288 2318848 2515536 2608704 2629408 2633472 2934792 2958084 2981376 3072384 3354048 3451098 3456432 3478272 3913056 3944112 3950208 4096512 4402188 4437126 4472064 4601464 4608576 5031072 5176647 5217408 5258816 5266944 5869584 5916168 6144768 6655689 6708096 6902196 6912864 6956544 7826112 7888224 7900416 8804376 8874252 8944128 9202928 9217152 10062144 10353294 10434816 10517632 11739168 11832336 12289536 13311378 13416192 13804392 13825728 15529941 15652224 15776448 15800832 17608752 17748504 18405856 18434304 19967067 20124288 20706588 20869632 21035264 23478336 23664672 26622756 26832384 27608784 27651456 31059882 31304448 31552896 35217504 35497008 36811712 36868608 39934134 40248576 41413176 42070528 46589823 46956672 47329344 53245512 55217568 55302912 62119764 62608896 63105792 70435008 70994016 73623424 79868268 80497152 82826352 93179646 93913344 94658688 106491024 110435136 110605824 124239528 126211584 139769469 140870016 141988032 147246848 159736536 165652704 186359292 187826688 189317376 212982048 220870272 248479056 279538938 281740032 283976064 294493696 319473072 331305408 372718584 378634752 425964096 441740544 496958112 559077876 563480064 567952128 638946144 662610816 745437168 851928192 883481088 993916224 1118155752 1135904256 1277892288 1325221632 1490874336 1703856384 1987832448 2236311504 2555784576 2650443264 2981748672 3407712768 3975664896 4472623008 5111569152 5963497344 7951329792 8945246016 10223138304 11926994688 17890492032 23853989376 35780984064 71561968128
• Sum of all divisors σ(n): 247088185344
• Sum of proper divisors (its aliquot sum) s(n): 175526217216
• 71561968128 is an abundant number, because the sum of its proper divisors (175526217216) is greater than itself. Its abundance is 103964249088

Bases of 71561968128

• Binary: 1000010101001011011001111101000000000₂
• Hexadecimal: 0x10A96CFA00
• Base-36: WVI5C00

Squares and roots of 71561968128

• 71561968128 squared (71561968128²) is 5121115282352887824384
• 71561968128 cubed (71561968128³) is 366477088615551079337327069233152
• The square root of 71561968128 is 267510.6878762045
• The cube root of 71561968128 is 4151.7139700717

Scales and comparisons

• 71,561,968,128 seconds is equal to 2,275 years, 23 weeks, 2 days, 12 hours, 28 minutes, 48 seconds.
• To count from 1 to 71,561,968,128 would take you about four thousand, five hundred fifty 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 71561968128 cubic inches would be around 346 feet tall.

Recreational maths with 71561968128

• 71561968128 backwards is 82186916517
• 71561968128 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 71561968128's digits is 54
• More coming soon!