1990970520

Names of 1990970520

• Cardinal: 1990970520 can be written as One billion, nine hundred ninety million, nine hundred seventy thousand, five hundred twenty.

Scientific notation

• Scientific notation: 1.99097052 × 10⁹

Factors of 1990970520

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5082

Divisors of 1990970520

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 11 12 14 15 20 21 22 24 28 30 33 35 40 42 43 44 55 56 60 66 70 77 84 86 88 105 110 120 129 132 140 154 165 168 172 210 215 220 231 258 264 280 301 308 330 344 385 420 430 440 462 473 516 602 616 645 660 770 840 860 903 924 946 1032 1155 1204 1290 1320 1419 1505 1540 1720 1806 1848 1892 2310 2365 2408 2580 2838 3010 3080 3311 3612 3784 4515 4620 4730 5011 5160 5676 6020 6622 7095 7224 9030 9240 9460 9933 10022 11352 12040 13244 14190 15033 16555 18060 18920 19866 20044 25055 26488 28380 30066 33110 35077 36120 39732 40088 49665 50110 55121 56760 60132 66220 70154 75165 79464 99330 100220 105231 110242 120264 132440 140308 150330 165363 175385 198660 200440 210462 215473 220484 275605 280616 300660 330726 350770 385847 397320 420924 430946 440968 526155 551210 601320 646419 661452 701540 771694 826815 841848 861892 1052310 1077365 1102420 1157541 1292838 1322904 1403080 1508311 1543388 1653630 1723784 1929235 2104620 2154730 2204840 2315082 2370203 2585676 3016622 3086776 3232095 3307260 3858470 4209240 4309460 4524933 4630164 4740406 5171352 5787705 6033244 6464190 6614520 7110609 7541555 7716940 8618920 9049866 9260328 9480812 11575410 11851015 12066488 12928380 14221218 15083110 15433880 16591421 18099732 18961624 22624665 23150820 23702030 25856760 28442436 30166220 33182842 35553045 36199464 45249330 46301640 47404060 49774263 56884872 60332440 66365684 71106090 82957105 90498660 94808120 99548526 132731368 142212180 165914210 180997320 199097052 248871315 284424360 331828420 398194104 497742630 663656840 995485260 1990970520
• Sum of all divisors σ(n): 7621447680
• Sum of proper divisors (its aliquot sum) s(n): 5630477160
• 1990970520 is an abundant number, because the sum of its proper divisors (5630477160) is greater than itself. Its abundance is 3639506640

Bases of 1990970520

• Binary: 1110110101010111100110010011000₂
• Hexadecimal: 0x76ABCC98
• Base-36: WXDEOO

Squares and roots of 1990970520

• 1990970520 squared (1990970520²) is 3963963611509070400
• 1990970520 cubed (1990970520³) is 7892134692867291879004608000
• The square root of 1990970520 is 44620.2926928989
• The cube root of 1990970520 is 1258.0221173053

Scales and comparisons

• 1,990,970,520 seconds is equal to 63 years, 15 weeks, 6 days, 15 hours, 22 minutes.
• To count from 1 to 1,990,970,520 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 1990970520 cubic inches would be around 104.8 feet tall.

Recreational maths with 1990970520

• 1990970520 backwards is 0250790991
• 1990970520 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1990970520's digits is 42
• More coming soon!