9138028872

Names of 9138028872

• Cardinal: 9138028872 can be written as Nine billion, one hundred thirty-eight million, twenty-eight thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 9.138028872 × 10⁹

Factors of 9138028872

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 824

Divisors of 9138028872

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 19 21 24 28 38 42 56 57 61 71 76 84 114 122 133 142 152 168 183 213 228 244 266 284 366 399 426 427 456 488 497 532 568 661 732 798 852 854 994 1064 1159 1281 1322 1349 1464 1491 1596 1704 1708 1983 1988 2318 2562 2644 2698 2982 3192 3416 3477 3966 3976 4047 4331 4627 4636 5124 5288 5396 5964 6954 7932 8094 8113 8662 9254 9272 9443 10248 10792 11928 12559 12993 13881 13908 15864 16188 16226 17324 18508 18886 24339 25118 25986 27762 27816 28329 30317 32376 32452 34648 37016 37677 37772 40321 46931 48678 50236 51972 55524 56658 60634 64904 75354 75544 80642 82289 87913 90951 93862 97356 100472 103944 111048 113316 120963 121268 140793 150708 161284 164578 175826 181902 187724 194712 226632 241926 242536 246867 263739 281586 282247 301416 322568 328517 329156 351652 363804 375448 483852 493734 527478 563172 564494 576023 657034 658312 703304 727608 766099 846741 891689 967704 985551 987468 1054956 1126344 1128988 1152046 1314068 1532198 1693482 1728069 1783378 1971102 1974936 2109912 2257976 2298297 2304092 2628136 2675067 2862791 3064396 3386964 3456138 3566756 3942204 4596594 4608184 5350134 5362693 5725582 6128792 6241823 6773928 6912276 7133512 7884408 8588373 9193188 10700268 10725386 11451164 12483646 13824552 16088079 17176746 18386376 18725469 20039537 21400536 21450772 22902328 24967292 32176158 34353492 37450938 40079074 42901544 49934584 54393029 60118611 64352316 68706984 74901876 80158148 108786058 120237222 128704632 149803752 160316296 163179087 217572116 240474444 326358174 380751203 435144232 480948888 652716348 761502406 1142253609 1305432696 1523004812 2284507218 3046009624 4569014436 9138028872
• Sum of all divisors σ(n): 28369612800
• Sum of proper divisors (its aliquot sum) s(n): 19231583928
• 9138028872 is an abundant number, because the sum of its proper divisors (19231583928) is greater than itself. Its abundance is 10093555056

Bases of 9138028872

• Binary: 1000100000101010110100000101001000₂
• Hexadecimal: 0x220AB4148
• Base-36: 474JO7C

Squares and roots of 9138028872

• 9138028872 squared (9138028872²) is 83503571665505592384
• 9138028872 cubed (9138028872³) is 763058048794511229682455310848
• The square root of 9138028872 is 95593.0377799555
• The cube root of 9138028872 is 2090.6636836705

Scales and comparisons

• 9,138,028,872 seconds is equal to 290 years, 29 weeks, 1 day, 5 hours, 21 minutes, 12 seconds.
• To count from 1 to 9,138,028,872 would take you about five hundred eighty-one 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 9138028872 cubic inches would be around 174.2 feet tall.

Recreational maths with 9138028872

• 9138028872 backwards is 2788208319
• The number of decimal digits it has is: 10
• The sum of 9138028872's digits is 48
• More coming soon!