18127665920

Names of 18127665920

• Cardinal: 18127665920 can be written as Eighteen billion, one hundred twenty-seven million, six hundred sixty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.812766592 × 10¹⁰

Factors of 18127665920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 8237

Divisors of 18127665920

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 19 20 26 28 32 35 38 40 52 56 64 65 70 76 80 91 95 104 112 128 130 133 140 152 160 182 190 208 224 247 256 260 266 280 304 320 364 380 416 448 455 494 520 532 560 608 640 665 728 760 832 896 910 988 1040 1064 1120 1216 1235 1280 1330 1456 1520 1664 1729 1792 1820 1976 2080 2128 2240 2432 2470 2660 2912 3040 3328 3458 3640 3952 4160 4256 4480 4864 4940 5320 5824 6080 6916 7280 7904 8191 8320 8512 8645 8960 9880 10640 11648 12160 13832 14560 15808 16382 16640 17024 17290 19760 21280 23296 24320 27664 29120 31616 32764 34048 34580 39520 40955 42560 55328 57337 58240 63232 65528 69160 79040 81910 85120 106483 110656 114674 116480 131056 138320 155629 158080 163820 170240 212966 221312 229348 262112 276640 286685 311258 316160 327640 425932 442624 458696 524224 532415 553280 573370 622516 655280 745381 778145 851864 917392 1048448 1064830 1089403 1106560 1146740 1245032 1310560 1490762 1556290 1703728 1834784 2023177 2096896 2129660 2178806 2213120 2293480 2490064 2621120 2981524 3112580 3407456 3669568 3726905 4046354 4259320 4357612 4586960 4980128 5242240 5447015 5963048 6225160 6814912 7339136 7453810 8092708 8518640 8715224 9173920 9960256 10115885 10484480 10894030 11926096 12450320 13629824 14162239 14678272 14907620 16185416 17037280 17430448 18347840 19920512 20231770 21788060 23852192 24900640 27259648 28324478 29815240 32370832 34074560 34860896 36695680 39841024 40463540 43576120 47704384 49801280 56648956 59630480 64741664 68149120 69721792 70811195 73391360 80927080 87152240 95408768 99602560 113297912 119260960 129483328 136298240 139443584 141622390 161854160 174304480 190817536 199205120 226595824 238521920 258966656 278887168 283244780 323708320 348608960 453191648 477043840 517933312 566489560 647416640 697217920 906383296 954087680 1132979120 1294833280 1394435840 1812766592 2265958240 2589666560 3625533184 4531916480 9063832960 18127665920
• Sum of all divisors σ(n): 56261345280
• Sum of proper divisors (its aliquot sum) s(n): 38133679360
• 18127665920 is an abundant number, because the sum of its proper divisors (38133679360) is greater than itself. Its abundance is 20006013440

Bases of 18127665920

• Binary: 10000111000011111100011101100000000₂
• Hexadecimal: 0x4387E3B00
• Base-36: 8BSQSJK

Squares and roots of 18127665920

• 18127665920 squared (18127665920²) is 328612271707129446400
• 18127665920 cubed (18127665920³) is 5956973478719110686533746688000
• The square root of 18127665920 is 134639.0207926365
• The cube root of 18127665920 is 2626.9227174727

Scales and comparisons

• 18,127,665,920 seconds is equal to 576 years, 20 weeks, 6 days, 22 hours, 45 minutes, 20 seconds.
• To count from 1 to 18,127,665,920 would take you about one thousand, one hundred fifty-two 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 18127665920 cubic inches would be around 218.9 feet tall.

Recreational maths with 18127665920

• 18127665920 backwards is 02956672181
• The number of decimal digits it has is: 11
• The sum of 18127665920's digits is 47
• More coming soon!