3985397680

Names of 3985397680

• Cardinal: 3985397680 can be written as Three billion, nine hundred eighty-five million, three hundred ninety-seven thousand, six hundred eighty.

Scientific notation

• Scientific notation: 3.98539768 × 10⁹

Factors of 3985397680

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 196948

Divisors of 3985397680

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 23 40 44 46 55 80 88 92 110 115 176 184 220 230 253 368 440 460 506 880 920 1012 1265 1840 2024 2530 4048 5060 10120 20240 196907 393814 787628 984535 1575256 1969070 2165977 3150512 3938140 4331954 4528861 7876280 8663908 9057722 10829885 15752560 17327816 18115444 21659770 22644305 34655632 36230888 43319540 45288610 49817471 72461776 86639080 90577220 99634942 173278160 181154440 199269884 249087355 362308880 398539768 498174710 797079536 996349420 1992698840 3985397680
• Sum of all divisors σ(n): 10547967744
• Sum of proper divisors (its aliquot sum) s(n): 6562570064
• 3985397680 is an abundant number, because the sum of its proper divisors (6562570064) is greater than itself. Its abundance is 2577172384

Bases of 3985397680

• Binary: 11101101100011000101011110110000₂
• Hexadecimal: 0xED8C57B0
• Base-36: 1TWSWJ4

Squares and roots of 3985397680

• 3985397680 squared (3985397680²) is 15883394667749382400
• 3985397680 cubed (3985397680³) is 63301644259372759438392832000
• The square root of 3985397680 is 63130.0061777281
• The cube root of 3985397680 is 1585.4670518039

Scales and comparisons

• 3,985,397,680 seconds is equal to 126 years, 37 weeks, 4 days, 6 hours, 54 minutes, 40 seconds.
• To count from 1 to 3,985,397,680 would take you about two hundred fifty-three 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 3985397680 cubic inches would be around 132.1 feet tall.

Recreational maths with 3985397680

• 3985397680 backwards is 0867935893
• The number of decimal digits it has is: 10
• The sum of 3985397680's digits is 58
• More coming soon!