11900991000

Names of 11900991000

• Cardinal: 11900991000 can be written as Eleven billion, nine hundred million, nine hundred ninety-one thousand.

Scientific notation

• Scientific notation: 1.1900991 × 10¹⁰

Factors of 11900991000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 181

Divisors of 11900991000

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 20 24 25 29 30 40 50 53 58 60 75 87 89 100 106 116 120 125 145 150 159 174 178 200 212 232 250 265 267 290 300 318 348 356 375 424 435 445 500 530 534 580 600 636 696 712 725 750 795 841 870 890 1000 1060 1068 1160 1272 1325 1335 1450 1500 1537 1590 1682 1740 1780 2120 2136 2175 2225 2523 2581 2650 2670 2900 3000 3074 3180 3364 3480 3560 3625 3975 4205 4350 4450 4611 4717 5046 5162 5300 5340 5800 6148 6360 6625 6675 6728 7250 7685 7743 7950 8410 8700 8900 9222 9434 10092 10324 10600 10680 10875 11125 12296 12615 12905 13250 13350 14151 14500 15370 15486 15900 16820 17400 17800 18444 18868 19875 20184 20648 21025 21750 22250 23055 23585 25230 25810 26500 26700 28302 29000 30740 30972 31800 33375 33640 36888 37736 38425 38715 39750 42050 43500 44500 44573 46110 47170 50460 51620 53000 53400 56604 61480 61944 63075 64525 66750 70755 74849 76850 77430 79500 84100 87000 89000 89146 92220 94340 100920 103240 105125 113208 115275 117925 126150 129050 133500 133719 136793 141510 149698 153700 154860 159000 168200 178292 184440 188680 192125 193575 210250 222865 224547 230550 235850 252300 258100 267000 267438 273586 283020 299396 307400 309720 315375 322625 353775 356584 374245 384250 387150 410379 420500 445730 449094 461100 471700 504600 516200 534876 547172 566040 576375 589625 598792 630750 645250 668595 683965 707550 748490 768500 774300 820758 841000 891460 898188 922200 943400 967875 1069752 1094344 1114325 1122735 1152750 1179250 1261500 1290500 1337190 1367930 1415100 1496980 1537000 1548600 1641516 1768875 1782920 1796376 1871225 1935750 2051895 2228650 2245470 2305500 2358500 2523000 2581000 2674380 2735860 2830200 2993960 3283032 3342975 3419825 3537750 3742450 3871500 3966997 4103790 4457300 4490940 4611000 4717000 5348760 5471720 5571625 5613675 6685950 6839650 7075500 7484900 7743000 7933994 8207580 8914600 8981880 9356125 10259475 11143250 11227350 11900991 13371900 13679300 14151000 14969800 15867988 16415160 16714875 17099125 18712250 19834985 20518950 22286500 22454700 23801982 26743800 27358600 28068375 31735976 33429750 34198250 37424500 39669970 41037900 44573000 44909400 47603964 51297375 56136750 59504955 66859500 68396500 74849000 79339940 82075800 95207928 99174925 102594750 112273500 119009910 133719000 136793000 158679880 198349850 205189500 224547000 238019820 297524775 396699700 410379000 476039640 495874625 595049550 793399400 991749250 1190099100 1487623875 1983498500 2380198200 2975247750 3966997000 5950495500 11900991000
• Sum of all divisors σ(n): 39621441600
• Sum of proper divisors (its aliquot sum) s(n): 27720450600
• 11900991000 is an abundant number, because the sum of its proper divisors (27720450600) is greater than itself. Its abundance is 15819459600

Bases of 11900991000

• Binary: 1011000101010110101011011000011000₂
• Hexadecimal: 0x2C55AB618
• Base-36: 5GTJJFC

Squares and roots of 11900991000

• 11900991000 squared (11900991000²) is 141633586782081000000
• 11900991000 cubed (11900991000³) is 1685580041591264942271000000000
• The square root of 11900991000 is 109091.6632928477
• The cube root of 11900991000 is 2283.1145876487

Scales and comparisons

• 11,900,991,000 seconds is equal to 378 years, 21 weeks, 3 days, 22 hours, 50 minutes.
• To count from 1 to 11,900,991,000 would take you about seven hundred fifty-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 11900991000 cubic inches would be around 190.3 feet tall.

Recreational maths with 11900991000

• 11900991000 backwards is 00019900911
• 11900991000 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 11900991000's digits is 30
• More coming soon!