21908711429118

Names of 21908711429118

• Cardinal: 21908711429118 can be written as Twenty-one trillion, nine hundred eight billion, seven hundred eleven million, four hundred twenty-nine thousand, one hundred eighteen.

Scientific notation

• Scientific notation: 2.1908711429118 × 10¹³

Factors of 21908711429118

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 335

Divisors of 21908711429118

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 131 162 199 262 393 398 597 786 1179 1194 1791 2358 3537 3582 5373 7074 10611 10746 16119 17161 21222 26069 32238 34322 39601 51483 52138 78207 79202 102966 118803 154449 156414 234621 237606 308898 356409 463347 469242 703863 712818 926694 1069227 1390041 1407726 2111589 2138454 2780082 3207681 3415039 4223178 5187731 6415362 6830078 7880599 10245117 10375462 15563193 15761198 20490234 23641797 30735351 31126386 46689579 47283594 61470702 70925391 92206053 93379158 140068737 141850782 184412106 212776173 276618159 280137474 420206211 425552346 553236318 638328519 679592761 840412422 1032358469 1276657038 1359185522 2038778283 2064716938 3097075407 4077556566 6116334849 6194150814 9291226221 12232669698 18349004547 18582452442 27873678663 36698009094 55047013641 55747357326 83621035989 110094027282 135238959439 167242071978 270477918878 405716878317 811433756634 1217150634951 2434301269902 3651451904853 7302903809706 10954355714559 21908711429118
• Sum of all divisors σ(n): 49719194223600
• Sum of proper divisors (its aliquot sum) s(n): 27810482794482
• 21908711429118 is an abundant number, because the sum of its proper divisors (27810482794482) is greater than itself. Its abundance is 5901771365364

Bases of 21908711429118

• Binary: 100111110110100000100111101100101001111111110₂
• Hexadecimal: 0x13ED04F653FE
• Base-36: 7RKQ149VI

Squares and roots of 21908711429118

• 21908711429118 squared (21908711429118²) is 479991636484365677938257924
• 21908711429118 cubed (21908711429118³) is 10515998252126074721166399685885327831032
• The square root of 21908711429118 is 4680674.2494130053
• The cube root of 21908711429118 is 27981.5828840949

Scales and comparisons

• 21,908,711,429,118 seconds is equal to 696,629 years, 13 weeks, 1 day, 22 hours, 45 minutes, 18 seconds.
• To count from 1 to 21,908,711,429,118 would take you about one million, seven hundred forty-one thousand, five hundred seventy-three 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 21908711429118 cubic inches would be around 2331.8 feet tall.

Recreational maths with 21908711429118

• 21908711429118 backwards is 81192411780912
• 21908711429118 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 21908711429118's digits is 54
• More coming soon!