121491148392

Names of 121491148392

• Cardinal: 121491148392 can be written as One hundred twenty-one billion, four hundred ninety-one million, one hundred forty-eight thousand, three hundred ninety-two.

Scientific notation

• Scientific notation: 1.21491148392 × 10¹¹

Factors of 121491148392

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1184

Divisors of 121491148392

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 19 24 36 38 43 57 72 76 86 114 129 152 171 172 228 258 342 344 387 456 516 684 774 817 1032 1117 1368 1548 1634 1849 2234 2451 3096 3268 3351 3698 4468 4902 5547 6536 6702 7353 7396 8936 9804 10053 11094 13404 14706 14792 16641 19608 20106 21223 22188 26808 29412 33282 35131 40212 42446 44376 48031 58824 63669 66564 70262 79507 80424 84892 96062 105393 127338 133128 140524 144093 159014 169784 191007 192124 210786 238521 254676 281048 288186 316179 318028 382014 384248 421572 432279 477042 509352 576372 632358 636056 715563 764028 843144 864558 912589 954084 1152744 1264716 1431126 1510633 1528056 1729116 1825178 1908168 2065333 2529432 2737767 2862252 3021266 3458232 3650356 4130666 4531899 5475534 5724504 6042532 6195999 7300712 8213301 8261332 9063798 10951068 12085064 12391998 13595697 16426602 16522664 18127596 18587997 21902136 24783996 27191394 32853204 36255192 37175994 39241327 49567992 54382788 65706408 74351988 78482654 88809319 108765576 117723981 148703976 156965308 177618638 235447962 266427957 313930616 353171943 355237276 470895924 532855914 706343886 710474552 799283871 941791848 1065711828 1412687772 1598567742 1687377061 2131423656 2825375544 3197135484 3374754122 5062131183 6394270968 6749508244 10124262366 13499016488 15186393549 20248524732 30372787098 40497049464 60745574196 121491148392
• Sum of all divisors σ(n): 354920280000
• Sum of proper divisors (its aliquot sum) s(n): 233429131608
• 121491148392 is an abundant number, because the sum of its proper divisors (233429131608) is greater than itself. Its abundance is 111937983216

Bases of 121491148392

• Binary: 1110001001001011011111100111001101000₂
• Hexadecimal: 0x1C496FCE68
• Base-36: 1JT8OY20

Squares and roots of 121491148392

• 121491148392 squared (121491148392²) is 14760099137606964185664
• 121491148392 cubed (121491148392³) is 1793221394607638913653134463052288
• The square root of 121491148392 is 348555.8038420821
• The cube root of 121491148392 is 4952.7705931957

Scales and comparisons

• 121,491,148,392 seconds is equal to 3,863 years, 2 weeks, 1 day, 13 hours, 13 minutes, 12 seconds.
• To count from 1 to 121,491,148,392 would take you about seven thousand, seven hundred twenty-six 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 121491148392 cubic inches would be around 412.7 feet tall.

Recreational maths with 121491148392

• 121491148392 backwards is 293841194121
• The number of decimal digits it has is: 12
• The sum of 121491148392's digits is 45
• More coming soon!