21042871615480

Names of 21042871615480

• Cardinal: 21042871615480 can be written as Twenty-one trillion, forty-two billion, eight hundred seventy-one million, six hundred fifteen thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.104287161548 × 10¹³

Factors of 21042871615480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 334438550

Divisors of 21042871615480

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 121 130 143 220 242 260 286 440 484 520 572 605 715 968 1144 1210 1430 1573 2420 2860 3146 4840 5720 6292 7865 12584 15730 31460 62920 334438519 668877038 1337754076 1672192595 2675508152 3344385190 3678823709 4347700747 6688770380 7357647418 8695401494 13377540760 14715294836 17390802988 18394118545 21738503735 29430589672 34781605976 36788237090 40467060799 43477007470 47824708217 73576474180 80934121598 86954014940 95649416434 147152948360 161868243196 173908029880 191298832868 202335303995 239123541085 323736486392 382597665736 404670607990 478247082170 526071790387 809341215980 956494164340 1052143580774 1618682431960 1912988328680 2104287161548 2630358951935 4208574323096 5260717903870 10521435807740 21042871615480
• Sum of all divisors σ(n): 56045207181600
• Sum of proper divisors (its aliquot sum) s(n): 35002335566120
• 21042871615480 is an abundant number, because the sum of its proper divisors (35002335566120) is greater than itself. Its abundance is 13959463950640

Bases of 21042871615480

• Binary: 100110010001101101100111000110011111111111000₂
• Hexadecimal: 0x13236CE33FF8
• Base-36: 7GIYMG5X4

Squares and roots of 21042871615480

• 21042871615480 squared (21042871615480²) is 442802445825573864975630400
• 21042871615480 cubed (21042871615480³) is 9317835018528088698377811066079398592000
• The square root of 21042871615480 is 4587250.9867544855
• The cube root of 21042871615480 is 27608.0035317717

Scales and comparisons

• 21,042,871,615,480 seconds is equal to 669,098 years, 11 weeks, 5 days, 19 hours, 24 minutes, 40 seconds.
• To count from 1 to 21,042,871,615,480 would take you about one million, six hundred seventy-two thousand, seven hundred forty-five 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 21042871615480 cubic inches would be around 2300.7 feet tall.

Recreational maths with 21042871615480

• 21042871615480 backwards is 08451617824012
• The number of decimal digits it has is: 14
• The sum of 21042871615480's digits is 49
• More coming soon!