1989000816

Names of 1989000816

• Cardinal: 1989000816 can be written as One billion, nine hundred eighty-nine million, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.989000816 × 10⁹

Factors of 1989000816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3225

Divisors of 1989000816

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 17 22 24 33 34 44 48 51 66 68 71 88 102 132 136 142 176 187 204 213 264 272 284 374 408 426 528 561 568 748 781 816 852 1122 1136 1207 1496 1562 1704 2244 2343 2414 2992 3121 3124 3408 3621 4488 4686 4828 6242 6248 7242 8976 9363 9372 9656 12484 12496 13277 14484 18726 18744 19312 24968 26554 28968 34331 37452 37488 39831 49936 53057 53108 57936 68662 74904 79662 102993 106114 106216 137324 149808 159171 159324 205986 212228 212432 221591 274648 318342 318648 411972 424456 443182 549296 583627 636684 637296 664773 823944 848912 886364 1167254 1273368 1329546 1647888 1750881 1772728 2334508 2437501 2546736 2659092 3501762 3545456 3767047 4669016 4875002 5318184 7003524 7312503 7534094 9338032 9750004 10636368 11301141 14007048 14625006 15068188 19500008 22602282 28014096 29250012 30136376 39000016 41437517 45204564 58500024 60272752 82875034 90409128 117000048 124312551 165750068 180818256 248625102 331500136 497250204 663000272 994500408 1989000816
• Sum of all divisors σ(n): 6020614656
• Sum of proper divisors (its aliquot sum) s(n): 4031613840
• 1989000816 is an abundant number, because the sum of its proper divisors (4031613840) is greater than itself. Its abundance is 2042613024

Bases of 1989000816

• Binary: 1110110100011011011111001110000₂
• Hexadecimal: 0x768DBE70
• Base-36: WW76UO

Squares and roots of 1989000816

• 1989000816 squared (1989000816²) is 3956124246048665856
• 1989000816 cubed (1989000816³) is 7868734353588181163295338496
• The square root of 1989000816 is 44598.2153903045
• The cube root of 1989000816 is 1257.6071188955

Scales and comparisons

• 1,989,000,816 seconds is equal to 63 years, 12 weeks, 4 days, 20 hours, 13 minutes, 36 seconds.
• To count from 1 to 1,989,000,816 would take you about one hundred twenty-six 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 1989000816 cubic inches would be around 104.8 feet tall.

Recreational maths with 1989000816

• 1989000816 backwards is 6180009891
• The number of decimal digits it has is: 10
• The sum of 1989000816's digits is 42
• More coming soon!