121991989950

Names of 121991989950

• Cardinal: 121991989950 can be written as One hundred twenty-one billion, nine hundred ninety-one million, nine hundred eighty-nine thousand, nine hundred fifty.

Scientific notation

• Scientific notation: 1.2199198995 × 10¹¹

Factors of 121991989950

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 229

Divisors of 121991989950

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 25 27 30 38 45 50 54 57 73 75 81 90 95 114 127 135 146 150 162 171 190 219 225 243 254 270 285 342 361 365 381 405 438 450 475 486 513 570 635 657 675 722 729 730 762 810 855 950 1026 1083 1095 1143 1215 1270 1314 1350 1387 1425 1458 1539 1710 1805 1825 1905 1971 2025 2166 2190 2286 2413 2430 2565 2774 2850 3078 3175 3249 3285 3429 3610 3645 3650 3810 3942 4050 4161 4275 4617 4826 5130 5415 5475 5715 5913 6075 6350 6498 6570 6858 6935 7239 7290 7695 8322 8550 9025 9234 9271 9525 9747 9855 10287 10830 10950 11430 11826 12065 12150 12483 12825 13851 13870 14478 15390 16245 16425 17145 17739 18050 18225 18542 19050 19494 19710 20574 20805 21717 23085 24130 24966 25650 26353 27075 27702 27813 28575 29241 29565 30861 32490 32850 34290 34675 35478 36195 36450 37449 38475 41610 43434 45847 46170 46355 48735 49275 51435 52706 53217 54150 55626 57150 58482 59130 60325 61722 62415 65151 69255 69350 72390 74898 76950 79059 81225 83439 85725 87723 88695 91694 92583 92710 97470 98550 102870 104025 106434 108585 112347 115425 120650 124830 130302 131765 137541 138510 139065 146205 147825 154305 158118 162450 166878 171450 175446 176149 177390 180975 185166 187245 195453 208050 217170 224694 229235 230850 231775 237177 243675 250317 257175 263169 263530 266085 275082 278130 292410 295650 308610 312075 325755 337041 346275 352298 361950 374490 390906 395295 412623 417195 438615 443475 458470 462915 463550 474354 487350 500634 514350 526338 528447 532170 542925 561735 586359 624150 651510 658825 674082 687705 692550 695325 711531 731025 750951 771525 790590 825246 834390 877230 880745 886950 925830 936225 977265 1011123 1056894 1085850 1123470 1146175 1172718 1185885 1237869 1251585 1315845 1317650 1330425 1375410 1390650 1423062 1462050 1501902 1543050 1585341 1628775 1685205 1759077 1761490 1872450 1954530 1976475 2022246 2063115 2085975 2134593 2193075 2252853 2292350 2314575 2371770 2475738 2503170 2631690 2642235 2660850 2808675 2931795 3170682 3257550 3346831 3370410 3438525 3518154 3557655 3713607 3754755 3952950 4126230 4171950 4269186 4386150 4403725 4505706 4629150 4756023 4886325 5055615 5284470 5617350 5863590 5929425 6189345 6257925 6403779 6579225 6693662 6758559 6877050 7115310 7427214 7509510 7926705 8426025 8795385 8807450 9512046 9772650 10040493 10111230 10315575 10672965 11140821 11264265 11858850 12378690 12515850 12807558 13158450 13211175 13517118 14268069 14658975 15853410 16734155 16852050 17590770 17788275 18568035 18773775 19211337 20080986 20631150 21345930 22281642 22528530 23780115 25278075 26422350 28536138 29317950 30121479 30946725 32018895 33422463 33468310 33792795 35576550 37136070 37547550 38422674 39633525 42804207 43976925 47560230 50202465 50556150 53364825 55704105 56321325 60242958 61893450 64037790 66844926 67585590 71340345 79267050 83670775 85608414 87953850 90364437 92840175 96056685 100404930 106729650 111408210 112642650 118900575 128412621 142680690 150607395 160094475 167112315 167341550 168963975 180728874 185680350 192113370 214021035 237801150 251012325 256825242 271093311 278520525 301214790 320188950 334224630 337927950 356701725 428042070 451822185 480283425 502024650 542186622 557041050 642063105 713403450 753036975 813279933 835561575 903644370 960566850 1070105175 1284126210 1355466555 1506073950 1626559866 1671123150 2140210350 2259110925 2439839799 2710933110 3210315525 4066399665 4518221850 4879679598 6420631050 6777332775 8132799330 12199198995 13554665550 20331998325 24398397990 40663996650 60995994975 121991989950
• Sum of all divisors σ(n): 366834163968
• Sum of proper divisors (its aliquot sum) s(n): 244842174018
• 121991989950 is an abundant number, because the sum of its proper divisors (244842174018) is greater than itself. Its abundance is 122850184068

Bases of 121991989950

• Binary: 1110001100111010010100000101010111110₂
• Hexadecimal: 0x1C674A0ABE
• Base-36: 1K1IVPVI

Squares and roots of 121991989950

• 121991989950 squared (121991989950²) is 14882045611960901002500
• 121991989950 cubed (121991989950³) is 1815490358729775834889924924875000
• The square root of 121991989950 is 349273.5173900249
• The cube root of 121991989950 is 4959.5671170677

Scales and comparisons

• 121,991,989,950 seconds is equal to 3,878 years, 50 weeks, 2 days, 7 hours, 52 minutes, 30 seconds.
• To count from 1 to 121,991,989,950 would take you about seven thousand, seven hundred fifty-seven 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 121991989950 cubic inches would be around 413.3 feet tall.

Recreational maths with 121991989950

• 121991989950 backwards is 059989199121
• The number of decimal digits it has is: 12
• The sum of 121991989950's digits is 63
• More coming soon!