1988928701640

Names of 1988928701640

• Cardinal: 1988928701640 can be written as One trillion, nine hundred eighty-eight billion, nine hundred twenty-eight million, seven hundred one thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.98892870164 × 10¹²

Factors of 1988928701640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 93640780

Divisors of 1988928701640

• 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 59 60 72 90 118 120 177 180 236 295 354 360 472 531 590 708 885 1062 1180 1416 1770 2124 2360 2655 3540 4248 5310 7080 10620 21240 93640711 187281422 280922133 374562844 468203555 561844266 749125688 842766399 936407110 1123688532 1404610665 1685532798 1872814220 2247377064 2809221330 3371065596 3745628440 4213831995 5524801949 5618442660 6742131192 8427663990 11049603898 11236885320 16574405847 16855327980 22099207796 27624009745 33148811694 33710655960 44198415592 49723217541 55248019490 66297623388 82872029235 99446435082 110496038980 132595246776 165744058470 198892870164 220992077960 248616087705 331488116940 397785740328 497232175410 662976233880 994464350820 1988928701640
• Sum of all divisors σ(n): 6573577982400
• Sum of proper divisors (its aliquot sum) s(n): 4584649280760
• 1988928701640 is an abundant number, because the sum of its proper divisors (4584649280760) is greater than itself. Its abundance is 2595720579120

Bases of 1988928701640

• Binary: 11100111100010101011000111000010011001000₂
• Hexadecimal: 0x1CF156384C8
• Base-36: PDP8SO20

Squares and roots of 1988928701640

• 1988928701640 squared (1988928701640²) is 3955837380207376138689600
• 1988928701640 cubed (1988928701640³) is 7867878504514835657475022698970944000
• The square root of 1988928701640 is 1410293.8352130737
• The cube root of 1988928701640 is 12575.9191986885

Scales and comparisons

• 1,988,928,701,640 seconds is equal to 63,241 years, 40 weeks, 4 days, 2 hours, 54 minutes.
• To count from 1 to 1,988,928,701,640 would take you about one hundred fifty-eight thousand, one hundred four 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 1988928701640 cubic inches would be around 1048 feet tall.

Recreational maths with 1988928701640

• 1988928701640 backwards is 0461078298891
• The number of decimal digits it has is: 13
• The sum of 1988928701640's digits is 63
• More coming soon!