1990411520

Names of 1990411520

• Cardinal: 1990411520 can be written as One billion, nine hundred ninety million, four hundred eleven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.99041152 × 10⁹

Factors of 1990411520

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 79

Divisors of 1990411520

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 5 8 10 16 20 29 32 40 43 58 64 80 86 116 128 145 160 172 215 232 256 290 320 344 430 464 580 640 688 841 860 928 1160 1247 1280 1376 1682 1720 1849 1856 2320 2494 2752 3364 3440 3698 3712 4205 4640 4988 5504 6235 6728 6880 7396 7424 8410 9245 9280 9976 11008 12470 13456 13760 14792 16820 18490 18560 19952 24940 26912 27520 29584 33640 36163 36980 37120 39904 49880 53621 53824 55040 59168 67280 72326 73960 79808 99760 107242 107648 118336 134560 144652 147920 159616 180815 199520 214484 215296 236672 268105 269120 289304 295840 319232 361630 399040 428968 473344 536210 538240 578608 591680 723260 798080 857936 1072420 1076480 1157216 1183360 1446520 1555009 1596160 1715872 2144840 2314432 2366720 2893040 3110018 3431744 4289680 4628864 5786080 6220036 6863488 7775045 8579360 9257728 11572160 12440072 13726976 15550090 17158720 23144320 24880144 31100180 34317440 46288640 49760288 62200360 68634880 99520576 124400720 199041152 248801440 398082304 497602880 995205760 1990411520
• Sum of all divisors σ(n): 5055229998
• Sum of proper divisors (its aliquot sum) s(n): 3064818478
• 1990411520 is an abundant number, because the sum of its proper divisors (3064818478) is greater than itself. Its abundance is 1074406958

Bases of 1990411520

• Binary: 1110110101000110100010100000000₂
• Hexadecimal: 0x76A34500
• Base-36: WX1FCW

Squares and roots of 1990411520

• 1990411520 squared (1990411520²) is 3961738018948710400
• 1990411520 cubed (1990411520³) is 7885488992137491469303808000
• The square root of 1990411520 is 44614.0282870759
• The cube root of 1990411520 is 1257.9043690045

Scales and comparisons

• 1,990,411,520 seconds is equal to 63 years, 15 weeks, 4 hours, 5 minutes, 20 seconds.
• To count from 1 to 1,990,411,520 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 1990411520 cubic inches would be around 104.8 feet tall.

Recreational maths with 1990411520

• 1990411520 backwards is 0251140991
• 1990411520 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1990411520's digits is 32
• More coming soon!