121728091008

Names of 121728091008

• Cardinal: 121728091008 can be written as One hundred twenty-one billion, seven hundred twenty-eight million, ninety-one thousand and eight.

Scientific notation

• Scientific notation: 1.21728091008 × 10¹¹

Factors of 121728091008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 643

Divisors of 121728091008

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 12 16 19 23 24 32 38 46 48 57 64 69 73 76 92 96 114 128 138 146 152 184 192 219 228 276 292 304 361 368 384 437 438 456 523 552 584 608 722 736 874 876 912 1046 1083 1104 1168 1216 1311 1387 1444 1472 1569 1679 1748 1752 1824 2092 2166 2208 2336 2432 2622 2774 2888 2944 3138 3358 3496 3504 3648 4161 4184 4332 4416 4672 5037 5244 5548 5776 6276 6716 6992 7008 7296 8303 8322 8368 8664 8832 9344 9937 10074 10488 11096 11552 12029 12552 13432 13984 14016 16606 16644 16736 17328 19874 20148 20976 22192 23104 24058 24909 25104 26353 26864 27968 28032 29811 31901 33212 33288 33472 34656 36087 38179 39748 40296 41952 44384 46208 48116 49818 50208 52706 53728 55936 59622 63802 66424 66576 66944 69312 72174 76358 79059 79496 80592 83904 88768 95703 96232 99636 100416 105412 107456 114537 119244 127604 132848 133152 138624 144348 152716 158118 158992 161184 167808 177536 188803 191406 192464 199272 200832 210824 214912 228551 229074 238488 255208 265696 266304 288696 305432 316236 317984 322368 377606 382812 384928 398544 421648 457102 458148 476976 510416 531392 532608 566409 577392 606119 610864 632472 635968 644736 685653 725401 755212 765624 769856 797088 843296 878117 914204 916296 953952 1020832 1062784 1132818 1154784 1212238 1221728 1264944 1271936 1371306 1450802 1510424 1531248 1539712 1594176 1686592 1756234 1818357 1828408 1832592 1907904 2041664 2176203 2265636 2309568 2424476 2443456 2529888 2634351 2742612 2901604 3020848 3062496 3188352 3373184 3512468 3636714 3656816 3665184 3815808 4083328 4342469 4352406 4531272 4619136 4848952 4886912 5059776 5268702 5485224 5803208 6041696 6124992 7024936 7273428 7313632 7330368 8684938 8704812 9062544 9697904 10119552 10537404 10970448 11606416 12083392 12249984 13027407 13782619 14049872 14546856 14627264 14660736 16684223 17369876 17409624 18125088 19395808 21074808 21940896 23212832 24166784 26054814 27565238 28099744 29093712 29254528 33368446 34739752 34819248 36250176 38791616 41347857 42149616 43881792 46425664 50052669 52109628 55130476 56199488 58187424 66736892 69479504 69638496 72500352 77583232 82695714 84299232 87763584 92851328 100105338 104219256 110260952 112398976 116374848 133473784 138959008 139276992 165391428 168598464 200210676 208438512 220521904 232749696 266947568 277918016 278553984 317000237 330782856 337196928 400421352 416877024 441043808 533895136 555836032 634000474 661565712 800842704 833754048 882087616 951000711 1067790272 1268000948 1323131424 1601685408 1667508096 1764175232 1902001422 2135580544 2536001896 2646262848 3203370816 3804002844 5072003792 5292525696 6406741632 7608005688 10144007584 15216011376 20288015168 30432022752 40576030336 60864045504 121728091008
• Sum of all divisors σ(n): 361659098880
• Sum of proper divisors (its aliquot sum) s(n): 239931007872
• 121728091008 is an abundant number, because the sum of its proper divisors (239931007872) is greater than itself. Its abundance is 118202916864

Bases of 121728091008

• Binary: 1110001010111100011110100001110000000₂
• Hexadecimal: 0x1C578F4380
• Base-36: 1JX5RG5C

Squares and roots of 121728091008

• 121728091008 squared (121728091008²) is 14817728140451930456064
• 121728091008 cubed (121728091008³) is 1803733759612735196805045537472512
• The square root of 121728091008 is 348895.5302207239
• The cube root of 121728091008 is 4955.9882771179

Scales and comparisons

• 121,728,091,008 seconds is equal to 3,870 years, 29 weeks, 6 days, 22 hours, 36 minutes, 48 seconds.
• To count from 1 to 121,728,091,008 would take you about seven thousand, seven hundred forty-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 121728091008 cubic inches would be around 413 feet tall.

Recreational maths with 121728091008

• 121728091008 backwards is 800190827121
• The number of decimal digits it has is: 12
• The sum of 121728091008's digits is 39
• More coming soon!