20798931240

Names of 20798931240

• Cardinal: 20798931240 can be written as Twenty billion, seven hundred ninety-eight million, nine hundred thirty-one thousand, two hundred forty.

Scientific notation

• Scientific notation: 2.079893124 × 10¹⁰

Factors of 20798931240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 18916

Divisors of 20798931240

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 360 3833 7666 11499 15073 15332 19165 22998 30146 30664 34497 38330 45219 45996 57495 60292 68994 75365 76660 90438 91992 114990 120584 135657 137988 150730 153320 172485 180876 226095 229980 271314 275976 301460 344970 361752 452190 459960 542628 602920 678285 689940 904380 1085256 1356570 1379880 1808760 2713140 5426280 57774809 115549618 173324427 231099236 288874045 346648854 462198472 519973281 577748090 693297708 866622135 1039946562 1155496180 1386595416 1733244270 2079893124 2310992360 2599866405 3466488540 4159786248 5199732810 6932977080 10399465620 20798931240
• Sum of all divisors σ(n): 67618647720
• Sum of proper divisors (its aliquot sum) s(n): 46819716480
• 20798931240 is an abundant number, because the sum of its proper divisors (46819716480) is greater than itself. Its abundance is 26020785240

Bases of 20798931240

• Binary: 10011010111101101101000000100101000₂
• Hexadecimal: 0x4D7B68128
• Base-36: 9JZ5A20

Squares and roots of 20798931240

• 20798931240 squared (20798931240²) is 432595540726247937600
• 20798931240 cubed (20798931240³) is 8997524906295850517334210624000
• The square root of 20798931240 is 144218.3457123261
• The cube root of 20798931240 is 2750.0906301809

Scales and comparisons

• 20,798,931,240 seconds is equal to 661 years, 17 weeks, 5 days, 8 hours, 54 minutes.
• To count from 1 to 20,798,931,240 would take you about one thousand, three hundred twenty-two 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 20798931240 cubic inches would be around 229.2 feet tall.

Recreational maths with 20798931240

• 20798931240 backwards is 04213989702
• 20798931240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20798931240's digits is 45
• More coming soon!