2912998140

Names of 2912998140

• Cardinal: 2912998140 can be written as Two billion, nine hundred twelve million, nine hundred ninety-eight thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.91299814 × 10⁹

Factors of 2912998140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 138342

Divisors of 2912998140

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 27 30 36 39 45 52 54 60 65 78 81 90 108 117 130 135 156 162 180 195 234 260 270 324 351 390 405 468 540 585 702 780 810 1053 1170 1404 1620 1755 2106 2340 3510 4212 5265 7020 10530 21060 138319 276638 414957 553276 691595 829914 1244871 1383190 1659828 1798147 2074785 2489742 2766380 3596294 3734613 4149570 4979484 5394441 6224355 7192588 7469226 8299140 8990735 10788882 11203839 12448710 14938452 16183323 17981470 18673065 21577764 22407678 24897420 26972205 32366646 35962940 37346130 44815356 48549969 53944410 56019195 64733292 74692260 80916615 97099938 107888820 112038390 145649907 161833230 194199876 224076780 242749845 291299814 323666460 485499690 582599628 728249535 970999380 1456499070 2912998140
• Sum of all divisors σ(n): 9841191360
• Sum of proper divisors (its aliquot sum) s(n): 6928193220
• 2912998140 is an abundant number, because the sum of its proper divisors (6928193220) is greater than itself. Its abundance is 4015195080

Bases of 2912998140

• Binary: 10101101101000001101001011111100₂
• Hexadecimal: 0xADA0D2FC
• Base-36: 1C6BNR0

Squares and roots of 2912998140

• 2912998140 squared (2912998140²) is 8485558163643459600
• 2912998140 cubed (2912998140³) is 24718415147555213437965144000
• The square root of 2912998140 is 53972.1978429635
• The cube root of 2912998140 is 1428.1705360911

Scales and comparisons

• 2,912,998,140 seconds is equal to 92 years, 32 weeks, 3 days, 6 hours, 9 minutes.
• To count from 1 to 2,912,998,140 would take you about one hundred eighty-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 2912998140 cubic inches would be around 119 feet tall.

Recreational maths with 2912998140

• 2912998140 backwards is 0418992192
• 2912998140 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 2912998140's digits is 45
• More coming soon!