4045978720

Names of 4045978720

• Cardinal: 4045978720 can be written as Four billion, forty-five million, nine hundred seventy-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 4.04597872 × 10⁹

Factors of 4045978720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 59296

Divisors of 4045978720

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 61 70 80 112 122 140 160 224 244 280 305 427 488 560 610 854 976 1120 1220 1708 1952 2135 2440 3416 4270 4880 6832 8540 9760 13664 17080 34160 59221 68320 118442 236884 296105 414547 473768 592210 829094 947536 1184420 1658188 1895072 2072735 2368840 3316376 3612481 4145470 4737680 6632752 7224962 8290940 9475360 13265504 14449924 16581880 18062405 25287367 28899848 33163760 36124810 50574734 57799696 66327520 72249620 101149468 115599392 126436835 144499240 202298936 252873670 288998480 404597872 505747340 577996960 809195744 1011494680 2022989360 4045978720
• Sum of all divisors σ(n): 11103414336
• Sum of proper divisors (its aliquot sum) s(n): 7057435616
• 4045978720 is an abundant number, because the sum of its proper divisors (7057435616) is greater than itself. Its abundance is 3011456896

Bases of 4045978720

• Binary: 11110001001010001011110001100000₂
• Hexadecimal: 0xF128BC60
• Base-36: 1UWVD5S

Squares and roots of 4045978720

• 4045978720 squared (4045978720²) is 16369943802692838400
• 4045978720 cubed (4045978720³) is 66232444273291102862798848000
• The square root of 4045978720 is 63608.0083008421
• The cube root of 4045978720 is 1593.4601176323

Scales and comparisons

• 4,045,978,720 seconds is equal to 128 years, 33 weeks, 5 days, 10 hours, 58 minutes, 40 seconds.
• To count from 1 to 4,045,978,720 would take you about two hundred fifty-seven 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 4045978720 cubic inches would be around 132.8 feet tall.

Recreational maths with 4045978720

• 4045978720 backwards is 0278795404
• The number of decimal digits it has is: 10
• The sum of 4045978720's digits is 46
• More coming soon!