1990689120

Names of 1990689120

• Cardinal: 1990689120 can be written as One billion, nine hundred ninety million, six hundred eighty-nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.99068912 × 10⁹

Factors of 1990689120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 11651

Divisors of 1990689120

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 17 18 20 21 24 28 30 32 34 35 36 40 42 45 48 51 56 60 63 68 70 72 80 84 85 90 96 102 105 112 119 120 126 136 140 144 153 160 168 170 180 204 210 224 238 240 252 255 272 280 288 306 315 336 340 357 360 408 420 476 480 504 510 544 560 595 612 630 672 680 714 720 765 816 840 952 1008 1020 1071 1120 1190 1224 1260 1360 1428 1440 1530 1632 1680 1785 1904 2016 2040 2142 2380 2448 2520 2720 2856 3060 3360 3570 3808 4080 4284 4760 4896 5040 5355 5712 6120 7140 8160 8568 9520 10080 10710 11424 11617 12240 14280 17136 19040 21420 23234 24480 28560 34272 34851 42840 46468 57120 58085 69702 81319 85680 92936 104553 116170 139404 162638 171360 174255 185872 197489 209106 232340 243957 278808 325276 348510 371744 394978 406595 418212 464680 487914 522765 557616 592467 650552 697020 731871 789956 813190 836424 929360 975828 987445 1045530 1115232 1184934 1219785 1301104 1382423 1394040 1463742 1579912 1626380 1672848 1777401 1858720 1951656 1974890 2091060 2369868 2439570 2602208 2764846 2788080 2927484 2962335 3159824 3252760 3345696 3554802 3659355 3903312 3949780 4147269 4182120 4739736 4879140 5529692 5576160 5854968 5924670 6319648 6505520 6912115 7109604 7318710 7806624 7899560 8294538 8364240 8887005 9479472 9758280 11059384 11709936 11849340 12441807 13011040 13824230 14219208 14637420 15799120 16589076 16728480 17774010 18958944 19516560 20736345 22118768 23419872 23698680 24883614 27648460 28438416 29274840 31598240 33178152 35548020 39033120 41472690 44237536 47397360 49767228 55296920 56876832 58549680 62209035 66356304 71096040 82945380 94794720 99534456 110593840 117099360 124418070 132712608 142192080 165890760 199068912 221187680 248836140 284384160 331781520 398137824 497672280 663563040 995344560 1990689120
• Sum of all divisors σ(n): 8221082688
• Sum of proper divisors (its aliquot sum) s(n): 6230393568
• 1990689120 is an abundant number, because the sum of its proper divisors (6230393568) is greater than itself. Its abundance is 4239704448

Bases of 1990689120

• Binary: 1110110101001111000000101100000₂
• Hexadecimal: 0x76A78160
• Base-36: WX7DK0

Squares and roots of 1990689120

• 1990689120 squared (1990689120²) is 3962843172486374400
• 1990689120 cubed (1990689120³) is 7888788787734908866326528000
• The square root of 1990689120 is 44617.1393076697
• The cube root of 1990689120 is 1257.9628456923

Scales and comparisons

• 1,990,689,120 seconds is equal to 63 years, 15 weeks, 3 days, 9 hours, 12 minutes.
• To count from 1 to 1,990,689,120 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 1990689120 cubic inches would be around 104.8 feet tall.

Recreational maths with 1990689120

• 1990689120 backwards is 0219860991
• 1990689120 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1990689120's digits is 45
• More coming soon!