18429694920

Names of 18429694920

• Cardinal: 18429694920 can be written as Eighteen billion, four hundred twenty-nine million, six hundred ninety-four thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.842969492 × 10¹⁰

Factors of 18429694920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1718

Divisors of 18429694920

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 18 20 21 24 26 28 30 35 36 39 40 42 45 52 56 60 63 65 70 72 78 84 90 91 104 105 117 120 126 130 140 156 168 180 182 195 210 234 252 260 273 280 312 315 360 364 390 420 455 457 468 504 520 546 585 630 728 780 819 840 910 914 936 1092 1170 1231 1260 1365 1371 1560 1638 1820 1828 2184 2285 2340 2462 2520 2730 2742 3199 3276 3640 3656 3693 4095 4113 4570 4680 4924 5460 5484 5941 6155 6398 6552 6855 7386 8190 8226 8617 9140 9597 9848 10920 10968 11079 11882 12310 12796 13710 14772 15995 16003 16380 16452 17234 17823 18280 18465 19194 20565 22158 23764 24620 25592 25851 27420 28791 29544 29705 31990 32006 32760 32904 34468 35646 36930 38388 41130 41587 43085 44316 47528 47985 48009 49240 51702 53469 54840 55395 57582 59410 63980 64012 68936 71292 73860 76776 77553 80015 82260 83174 86170 88632 89115 95970 96018 103404 106938 110790 112021 115164 118820 124761 127960 128024 129255 142584 143955 144027 147720 155106 160030 164520 166348 172340 178230 191940 192036 206808 207935 213876 221580 224042 230328 237640 240045 249522 258510 267345 287910 288054 310212 320060 332696 336063 344680 356460 374283 383880 384072 387765 415870 427752 443160 448084 480090 499044 517020 534690 560105 562567 575820 576108 620424 623805 640120 672126 712920 720135 748566 775530 831740 896168 960180 998088 1008189 1034040 1069380 1120210 1125134 1151640 1152216 1247610 1344252 1440270 1497132 1551060 1663480 1680315 1687701 1871415 1920360 2016378 2138760 2240420 2250268 2495220 2688504 2812835 2880540 2994264 3102120 3360630 3375402 3742830 3937969 4032756 4480840 4500536 4990440 5040945 5063103 5625670 5761080 6721260 6750804 7313371 7485660 7875938 8065512 8438505 10081890 10126206 11251340 11813907 13442520 13501608 14626742 14971320 15751876 16877010 19689845 20163780 20252412 21940113 22502680 23627814 25315515 29253484 31503752 33754020 35441721 36566855 39379690 40327560 40504824 43880226 47255628 50631030 51193597 58506968 59069535 65820339 67508040 70883442 73133710 78759380 87760452 94511256 101262060 102387194 109700565 118139070 131640678 141766884 146267420 153580791 157518760 175520904 177208605 202524120 204774388 219401130 236278140 255967985 263281356 283533768 292534840 307161582 329101695 354417210 409548776 438802260 460742373 472556280 511935970 526562712 614323164 658203390 708834420 767903955 877604520 921484746 1023871940 1228646328 1316406780 1417668840 1535807910 1842969492 2047743880 2303711865 2632813560 3071615820 3685938984 4607423730 6143231640 9214847460 18429694920
• Sum of all divisors σ(n): 73940106240
• Sum of proper divisors (its aliquot sum) s(n): 55510411320
• 18429694920 is an abundant number, because the sum of its proper divisors (55510411320) is greater than itself. Its abundance is 37080716400

Bases of 18429694920

• Binary: 10001001010011111101101001111001000₂
• Hexadecimal: 0x44A7ED3C8
• Base-36: 8GSKBM0

Squares and roots of 18429694920

• 18429694920 squared (18429694920²) is 339653654844273806400
• 18429694920 cubed (18429694920³) is 6259713237242946360899143488000
• The square root of 18429694920 is 135756.0124635369
• The cube root of 18429694920 is 2641.4316786909

Scales and comparisons

• 18,429,694,920 seconds is equal to 586 years, 2 days, 15 hours, 42 minutes.
• To count from 1 to 18,429,694,920 would take you about one thousand, one hundred seventy-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 18429694920 cubic inches would be around 220.1 feet tall.

Recreational maths with 18429694920

• 18429694920 backwards is 02949692481
• The number of decimal digits it has is: 11
• The sum of 18429694920's digits is 54
• More coming soon!