3997429020

Names of 3997429020

• Cardinal: 3997429020 can be written as Three billion, nine hundred ninety-seven million, four hundred twenty-nine thousand and twenty.

Scientific notation

• Scientific notation: 3.99742902 × 10⁹

Factors of 3997429020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 58959

Divisors of 3997429020

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 26 29 30 36 39 45 52 58 60 65 78 87 90 116 117 130 145 156 174 180 195 234 260 261 290 348 377 390 435 468 522 580 585 754 780 870 1044 1131 1170 1305 1508 1740 1885 2262 2340 2610 3393 3770 4524 5220 5655 6786 7540 11310 13572 16965 22620 33930 58907 67860 117814 176721 235628 294535 353442 530163 589070 706884 765791 883605 1060326 1178140 1531582 1708303 1767210 2120652 2297373 2650815 3063164 3416606 3534420 3828955 4594746 5124909 5301630 6833212 6892119 7657910 8541515 9189492 10249818 10603260 11486865 13784238 15315820 15374727 17083030 20499636 22207939 22973730 25624545 27568476 30749454 34166060 34460595 44415878 45947460 51249090 61498908 66623817 68921190 76873635 88831756 102498180 111039695 133247634 137842380 153747270 199871451 222079390 266495268 307494540 333119085 399742902 444158780 666238170 799485804 999357255 1332476340 1998714510 3997429020
• Sum of all divisors σ(n): 13508782560
• Sum of proper divisors (its aliquot sum) s(n): 9511353540
• 3997429020 is an abundant number, because the sum of its proper divisors (9511353540) is greater than itself. Its abundance is 5513924520

Bases of 3997429020

• Binary: 11101110010000111110110100011100₂
• Hexadecimal: 0xEE43ED1C
• Base-36: 1U3YRZ0

Squares and roots of 3997429020

• 3997429020 squared (3997429020²) is 15979438769938160400
• 3997429020 cubed (3997429020³) is 63876672262263905988374808000
• The square root of 3997429020 is 63225.2245547613
• The cube root of 3997429020 is 1587.0608810471

Scales and comparisons

• 3,997,429,020 seconds is equal to 127 years, 5 weeks, 3 days, 12 hours, 57 minutes.
• To count from 1 to 3,997,429,020 would take you about two hundred fifty-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 3997429020 cubic inches would be around 132.3 feet tall.

Recreational maths with 3997429020

• 3997429020 backwards is 0209247993
• 3997429020 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3997429020's digits is 45
• More coming soon!