121185445689

Names of 121185445689

• Cardinal: 121185445689 can be written as One hundred twenty-one billion, one hundred eighty-five million, four hundred forty-five thousand, six hundred eighty-nine.

Scientific notation

• Scientific notation: 1.21185445689 × 10¹¹

Factors of 121185445689

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 158

Divisors of 121185445689

• Number of divisors d(n): 135
• Complete list of divisors:
  1 3 7 9 11 21 33 49 63 77 99 121 137 147 231 363 411 441 539 693 847 959 1089 1233 1331 1507 1617 2541 2877 3993 4521 4851 5929 6713 7623 8631 9317 10549 11979 13563 14641 16577 17787 18769 20139 27951 31647 43923 49731 53361 56307 60417 65219 73843 83853 94941 102487 116039 131383 131769 149193 168921 182347 195657 206459 221529 307461 348117 394149 547041 586971 619377 664587 717409 812273 919681 922383 1044351 1182447 1276429 1445213 1641123 1858131 2005817 2152227 2271049 2436819 2759043 3829287 4335639 6017451 6456681 6813147 7310457 8277129 8935003 10116491 11487861 13006917 14040719 15897343 18052353 20439441 24981539 26805009 30349473 42122157 47692029 74944617 80415027 91048419 98285033 111281401 126366471 143076087 174870773 224833851 274796929 294855099 333844203 524612319 824390787 884565297 1001532609 1224095411 1573836957 1923578503 2473172361 3672286233 5770735509 11016858699 13465049521 17312206527 40395148563 121185445689
• Sum of all divisors σ(n): 225632451135
• Sum of proper divisors (its aliquot sum) s(n): 104447005446
• 121185445689 is a deficient number, because the sum of its proper divisors (104447005446) is less than itself. Its deficiency is 16738440243

Bases of 121185445689

• Binary: 1110000110111001101110010011100111001₂
• Hexadecimal: 0x1C37372739
• Base-36: 1JO6OOC9

Squares and roots of 121185445689

• 121185445689 squared (121185445689²) is 14685912246841568684721
• 121185445689 cubed (121185445689³) is 1779718820983038883629819909617769
• 121185445689 is a perfect square number. Its square root is 348117
• The cube root of 121185445689 is 4948.6129595215

Scales and comparisons

• 121,185,445,689 seconds is equal to 3,853 years, 16 weeks, 5 days, 7 hours, 48 minutes, 9 seconds.
• To count from 1 to 121,185,445,689 would take you about seven thousand, seven hundred 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 121185445689 cubic inches would be around 412.4 feet tall.

Recreational maths with 121185445689

• 121185445689 backwards is 986544581121
• The number of decimal digits it has is: 12
• The sum of 121185445689's digits is 54
• More coming soon!