2978831870742

Names of 2978831870742

• Cardinal: 2978831870742 can be written as Two trillion, nine hundred seventy-eight billion, eight hundred thirty-one million, eight hundred seventy thousand, seven hundred forty-two.

Scientific notation

• Scientific notation: 2.978831870742 × 10¹²

Factors of 2978831870742

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4964455

Divisors of 2978831870742

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 49 78 91 98 147 157 182 273 294 314 471 546 637 942 1099 1274 1911 2041 2198 3297 3822 4082 6123 6594 7693 12246 14287 15386 23079 28574 42861 46158 85722 100009 200018 300027 600054 4964273 9928546 14892819 29785638 34749911 64535549 69499822 104249733 129071098 193606647 208499466 243249377 387213294 451748843 486498754 729748131 779390861 903497686 1355246529 1459496262 1558781722 2338172583 2710493058 3162241901 4676345166 5455736027 6324483802 9486725703 10132081193 10911472054 16367208081 18973451406 20264162386 30396243579 32734416162 38190152189 60792487158 70924568351 76380304378 114570456567 141849136702 212773705053 229140913134 425547410106 496471978457 992943956914 1489415935371 2978831870742
• Sum of all divisors σ(n): 7510986276192
• Sum of proper divisors (its aliquot sum) s(n): 4532154405450
• 2978831870742 is an abundant number, because the sum of its proper divisors (4532154405450) is greater than itself. Its abundance is 1553322534708

Bases of 2978831870742

• Binary: 101011010110010000001101110010101100010110₂
• Hexadecimal: 0x2B590372B16
• Base-36: 120GFL1QU

Squares and roots of 2978831870742

• 2978831870742 squared (2978831870742²) is 8873439314148283395630564
• 2978831870742 cubed (2978831870742³) is 26432483832079940455794169068832558488
• The square root of 2978831870742 is 1725929.2774450523
• The cube root of 2978831870742 is 14388.4936869711

Scales and comparisons

• 2,978,831,870,742 seconds is equal to 94,717 years, 33 weeks, 1 day, 17 hours, 25 minutes, 42 seconds.
• To count from 1 to 2,978,831,870,742 would take you about two hundred thirty-six thousand, seven hundred ninety-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 2978831870742 cubic inches would be around 1199 feet tall.

Recreational maths with 2978831870742

• 2978831870742 backwards is 2470781388792
• The number of decimal digits it has is: 13
• The sum of 2978831870742's digits is 66
• More coming soon!