45845387721

Names of 45845387721

• Cardinal: 45845387721 can be written as Forty-five billion, eight hundred forty-five million, three hundred eighty-seven thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 4.5845387721 × 10¹⁰

Factors of 45845387721

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 87

Divisors of 45845387721

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 7 9 17 21 23 27 37 51 63 69 81 111 119 153 161 189 207 243 259 333 357 391 459 483 529 567 621 629 729 777 851 999 1071 1173 1377 1449 1587 1701 1863 1887 2187 2331 2553 2737 2997 3213 3519 3703 4131 4347 4403 4761 5103 5589 5661 5957 6561 6993 7659 8211 8991 8993 9639 10557 11109 12393 13041 13209 14283 14467 15309 16767 16983 17871 19573 19683 20979 22977 24633 26973 26979 28917 31671 33327 37179 39123 39627 42849 43401 45927 50301 50949 53613 58719 62937 62951 68931 73899 80919 80937 86751 95013 99981 101269 111537 117369 118881 128547 130203 137011 137781 150903 152847 160839 176157 188811 188853 206793 221697 242757 242811 260253 285039 299943 303807 332741 334611 352107 356643 385641 390609 411033 452709 458541 482517 528471 566433 566559 620379 665091 728271 728433 780759 855117 899829 911421 998223 1056321 1069929 1156923 1171827 1233099 1375623 1447551 1585413 1699299 1699677 1861137 1995273 2185299 2329187 2342277 2565351 2699487 2734263 2994669 3168963 3209787 3470769 3515481 3699297 4126869 4342653 4756239 5097897 5099031 5583411 5985819 6555897 6987561 7696053 8098461 8202789 8984007 9629361 10412307 10546443 11097891 12380607 13027959 14268717 15297093 16750233 17957457 19667691 20962683 24295383 24608367 26952021 28888083 31639329 33293673 39083877 42806151 45891279 53872371 59003073 62888049 72886149 73825101 80856063 86664249 94917987 99881019 117251631 128418453 137673837 177009219 188664147 221475303 242568189 284753961 299643057 385255359 413021511 565992441 664425909 727704567 898929171 1239064533 1697977323 1993277727 2183113701 2696787513 5093931969 6549341103 15281795907 45845387721
• Sum of all divisors σ(n): 89340096384
• Sum of proper divisors (its aliquot sum) s(n): 43494708663
• 45845387721 is a deficient number, because the sum of its proper divisors (43494708663) is less than itself. Its deficiency is 2350679058

Bases of 45845387721

• Binary: 101010101100100110010001100111001001₂
• Hexadecimal: 0xAAC9919C9
• Base-36: L275RK9

Squares and roots of 45845387721

• 45845387721 squared (45845387721²) is 2101799575288817573841
• 45845387721 cubed (45845387721³) is 96357816440948972228379192206361
• The square root of 45845387721 is 214115.3607777825
• The cube root of 45845387721 is 3579.0289939889

Scales and comparisons

• 45,845,387,721 seconds is equal to 1,457 years, 38 weeks, 3 days, 21 hours, 55 minutes, 21 seconds.
• To count from 1 to 45,845,387,721 would take you about two thousand, nine hundred fifteen 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 45845387721 cubic inches would be around 298.3 feet tall.

Recreational maths with 45845387721

• 45845387721 backwards is 12778354854
• The number of decimal digits it has is: 11
• The sum of 45845387721's digits is 54
• More coming soon!