19991407040

Names of 19991407040

• Cardinal: 19991407040 can be written as Nineteen billion, nine hundred ninety-one million, four hundred seven thousand and forty.

Scientific notation

• Scientific notation: 1.999140704 × 10¹⁰

Factors of 19991407040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 286

Divisors of 19991407040

• Number of divisors d(n): 280
• Complete list of divisors:
  1 2 4 5 8 10 11 16 17 20 22 32 34 40 44 55 64 68 80 85 88 110 121 136 160 170 176 187 220 242 251 272 320 340 352 374 440 484 502 544 605 680 704 748 880 935 968 1004 1088 1210 1255 1331 1360 1496 1760 1870 1936 2008 2057 2420 2510 2662 2720 2761 2992 3520 3740 3872 4016 4114 4267 4840 5020 5324 5440 5522 5984 6655 7480 7744 8032 8228 8534 9680 10040 10285 10648 11044 11968 13310 13805 14641 14960 16064 16456 17068 19360 20080 20570 21296 21335 22088 22627 26620 27610 29282 29920 30371 32912 34136 38720 40160 41140 42592 42670 44176 45254 46937 53240 55220 58564 59840 60742 65824 68272 73205 80320 82280 85184 85340 88352 90508 93874 106480 110440 113135 117128 121484 131648 136544 146410 151855 164560 170680 176704 181016 187748 212960 220880 226270 234256 234685 242968 248897 273088 292820 303710 329120 334081 341360 362032 375496 425920 441760 452540 468512 469370 485936 497794 516307 585640 607420 658240 668162 682720 724064 750992 883520 905080 937024 938740 971872 995588 1032614 1171280 1214840 1244485 1336324 1365440 1448128 1501984 1670405 1810160 1877480 1943744 1991176 2065228 2342560 2429680 2488970 2581535 2672648 3003968 3340810 3620320 3674891 3754960 3982352 4130456 4685120 4859360 4977940 5163070 5345296 5679377 6681620 7240640 7349782 7509920 7964704 8260912 9718720 9955880 10326140 10690592 11358754 13363240 14699564 15019840 15929408 16521824 18374455 19911760 20652280 21381184 22717508 26726480 28396885 29399128 33043648 36748910 39823520 41304560 45435016 53452960 56793770 58798256 62473147 73497820 79647040 82609120 90870032 106905920 113587540 117596512 124946294 146995640 165218240 181740064 227175080 235193024 249892588 293991280 312365735 363480128 454350160 499785176 587982560 624731470 908700320 999570352 1175965120 1249462940 1817400640 1999140704 2498925880 3998281408 4997851760 9995703520 19991407040
• Sum of all divisors σ(n): 55665837360
• Sum of proper divisors (its aliquot sum) s(n): 35674430320
• 19991407040 is an abundant number, because the sum of its proper divisors (35674430320) is greater than itself. Its abundance is 15683023280

Bases of 19991407040

• Binary: 10010100111100101001010100111000000₂
• Hexadecimal: 0x4A794A9C0
• Base-36: 96MD8E8

Squares and roots of 19991407040

• 19991407040 squared (19991407040²) is 399656355438961561600
• 19991407040 cubed (19991407040³) is 7989692877703198452859633664000
• The square root of 19991407040 is 141390.9722719241
• The cube root of 19991407040 is 2714.0288128733

Scales and comparisons

• 19,991,407,040 seconds is equal to 635 years, 34 weeks, 4 days, 37 minutes, 20 seconds.
• To count from 1 to 19,991,407,040 would take you about one thousand, two hundred seventy-one 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 19991407040 cubic inches would be around 226.2 feet tall.

Recreational maths with 19991407040

• 19991407040 backwards is 04070419991
• 19991407040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19991407040's digits is 44
• More coming soon!