121239716445

Names of 121239716445

• Cardinal: 121239716445 can be written as One hundred twenty-one billion, two hundred thirty-nine million, seven hundred sixteen thousand, four hundred forty-five.

Scientific notation

• Scientific notation: 1.21239716445 × 10¹¹

Factors of 121239716445

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 517

Divisors of 121239716445

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 9 15 31 45 47 79 89 93 141 155 235 237 263 267 279 395 423 445 465 705 711 789 801 1185 1315 1335 1395 1457 2115 2367 2449 2759 3555 3713 3945 4005 4183 4371 7031 7285 7347 8153 8277 11139 11835 12245 12361 12549 13113 13795 18565 20777 20915 21093 21855 22041 23407 24459 24831 33417 35155 36735 37083 37647 40765 41385 55695 61805 62331 62745 63279 65565 70221 73377 103885 105465 110205 111249 115103 117035 122295 124155 129673 167085 185415 186993 188235 210663 217961 311655 316395 330457 345309 351105 366885 383191 389019 556245 575515 644087 648365 653883 725617 934965 976519 991371 1035927 1053315 1089805 1100129 1149573 1167057 1652285 1726545 1849153 1915955 1932261 1945095 1961649 2176851 2929557 2974113 3220435 3269415 3300387 3448719 3628085 4882595 4956855 5179635 5500645 5547459 5747865 5796783 5835285 6530553 8788671 9245765 9661305 9808245 9901161 10244167 10884255 14647785 14870565 16501935 16642377 17243595 27737295 28983915 30272089 30732501 32652765 34103999 43943355 49505805 51220835 57323743 83211885 86910191 90816267 92197503 102311997 151360445 153662505 170519995 171971229 260730573 272448801 286618715 306935991 434550955 454081335 460987515 511559985 515913687 782191719 859856145 1303652865 1362244005 1534679955 2579568435 2694215921 3910958595 8082647763 13471079605 24247943289 40413238815 121239716445
• Sum of all divisors σ(n): 227731046400
• Sum of proper divisors (its aliquot sum) s(n): 106491329955
• 121239716445 is a deficient number, because the sum of its proper divisors (106491329955) is less than itself. Its deficiency is 14748386490

Bases of 121239716445

• Binary: 1110000111010011100110100001001011101₂
• Hexadecimal: 0x1C3A73425D
• Base-36: 1JP2ZVX9

Squares and roots of 121239716445

• 121239716445 squared (121239716445²) is 14699068843664003438025
• 121239716445 cubed (121239716445³) is 1782110938611357811679656130821125
• The square root of 121239716445 is 348194.9402920725
• The cube root of 121239716445 is 4949.3515655047

Scales and comparisons

• 121,239,716,445 seconds is equal to 3,855 years, 2 weeks, 3 days, 11 hours, 45 seconds.
• To count from 1 to 121,239,716,445 would take you about seven thousand, seven hundred ten 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 121239716445 cubic inches would be around 412.4 feet tall.

Recreational maths with 121239716445

• 121239716445 backwards is 544617932121
• 121239716445 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 121239716445's digits is 45
• More coming soon!