3989972000

Names of 3989972000

• Cardinal: 3989972000 can be written as Three billion, nine hundred eighty-nine million, nine hundred seventy-two thousand.

Scientific notation

• Scientific notation: 3.989972 × 10⁹

Factors of 3989972000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 20371

Divisors of 3989972000

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 49 50 56 70 80 98 100 112 125 140 160 175 196 200 224 245 250 280 350 392 400 490 500 560 700 784 800 875 980 1000 1120 1225 1400 1568 1750 1960 2000 2450 2800 3500 3920 4000 4900 5600 6125 7000 7840 9800 12250 14000 19600 20357 24500 28000 39200 40714 49000 81428 98000 101785 142499 162856 196000 203570 284998 325712 407140 508925 569996 651424 712495 814280 997493 1017850 1139992 1424990 1628560 1994986 2035700 2279984 2544625 2849980 3257120 3562475 3989972 4071400 4559968 4987465 5089250 5699960 7124950 7979944 8142800 9974930 10178500 11399920 14249900 15959888 16285600 17812375 19949860 20357000 22799840 24937325 28499800 31919776 35624750 39899720 40714000 49874650 56999600 71249500 79799440 81428000 99749300 113999200 124686625 142499000 159598880 199498600 249373250 284998000 398997200 498746500 569996000 797994400 997493000 1994986000 3989972000
• Sum of all divisors σ(n): 11404470168
• Sum of proper divisors (its aliquot sum) s(n): 7414498168
• 3989972000 is an abundant number, because the sum of its proper divisors (7414498168) is greater than itself. Its abundance is 3424526168

Bases of 3989972000

• Binary: 11101101110100100010010000100000₂
• Hexadecimal: 0xEDD22420
• Base-36: 1TZIY3K

Squares and roots of 3989972000

• 3989972000 squared (3989972000²) is 15919876560784000000
• 3989972000 cubed (3989972000³) is 63519861720984458048000000000
• The square root of 3989972000 is 63166.2251523707
• The cube root of 3989972000 is 1586.0734037321

Scales and comparisons

• 3,989,972,000 seconds is equal to 126 years, 45 weeks, 1 day, 5 hours, 33 minutes, 20 seconds.
• To count from 1 to 3,989,972,000 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 3989972000 cubic inches would be around 132.2 feet tall.

Recreational maths with 3989972000

• 3989972000 backwards is 0002799893
• The number of decimal digits it has is: 10
• The sum of 3989972000's digits is 47
• More coming soon!