18128830272

Names of 18128830272

• Cardinal: 18128830272 can be written as Eighteen billion, one hundred twenty-eight million, eight hundred thirty thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 1.8128830272 × 10¹⁰

Factors of 18128830272

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1189

Divisors of 18128830272

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 41 42 43 48 49 56 64 82 84 86 96 98 112 123 129 147 164 168 172 192 196 224 246 258 287 294 301 328 336 344 392 448 492 516 574 588 602 656 672 688 784 861 903 984 1032 1093 1148 1176 1204 1312 1344 1376 1568 1722 1763 1806 1968 2009 2064 2107 2186 2296 2352 2408 2624 2752 3136 3279 3444 3526 3612 3936 4018 4128 4214 4372 4592 4704 4816 5289 6027 6321 6558 6888 7052 7224 7651 7872 8036 8256 8428 8744 9184 9408 9632 10578 12054 12341 12642 13116 13776 14104 14448 15302 16072 16856 17488 18368 19264 21156 22953 24108 24682 25284 26232 27552 28208 28896 30604 32144 33712 34976 37023 42312 44813 45906 46999 48216 49364 50568 52464 53557 55104 56416 57792 61208 64288 67424 69952 74046 84624 86387 89626 91812 93998 96432 98728 101136 104928 107114 112832 122416 128576 134439 134848 140997 148092 160671 169248 172774 179252 183624 187996 192864 197456 202272 209856 214228 244832 259161 268878 281994 296184 313691 321342 328993 338496 345548 358504 367248 375992 385728 394912 404544 428456 489664 518322 537756 563988 592368 627382 642684 657986 691096 717008 734496 751984 789824 856912 941073 986979 1036644 1075512 1127976 1184736 1254764 1285368 1315972 1382192 1434016 1468992 1503968 1713824 1882146 1926959 1973958 2073288 2151024 2195837 2255952 2302951 2369472 2509528 2570736 2631944 2764384 2868032 3007936 3427648 3764292 3853918 3947916 4146576 4302048 4391674 4511904 4605902 5019056 5141472 5263888 5528768 5780877 6587511 6908853 7528584 7707836 7895832 8293152 8604096 8783348 9023808 9211804 10038112 10282944 10527776 11561754 13175022 13488713 13817706 15057168 15415672 15791664 16586304 17566696 18423608 20076224 21055552 23123508 26350044 26977426 27635412 30114336 30831344 31583328 35133392 36847216 40466139 46247016 52700088 53954852 55270824 60228672 61662688 63166656 70266784 73694432 80932278 92494032 94420991 105400176 107909704 110541648 123325376 140533568 147388864 161864556 184988064 188841982 210800352 215819408 221083296 283262973 323729112 369976128 377683964 421600704 431638816 442166592 566525946 647458224 755367928 863277632 1133051892 1294916448 1510735856 2266103784 2589832896 3021471712 4532207568 6042943424 9064415136 18128830272
• Sum of all divisors σ(n): 58540692672
• Sum of proper divisors (its aliquot sum) s(n): 40411862400
• 18128830272 is an abundant number, because the sum of its proper divisors (40411862400) is greater than itself. Its abundance is 22283032128

Bases of 18128830272

• Binary: 10000111000100011111111111101000000₂
• Hexadecimal: 0x4388FFF40
• Base-36: 8BTFQYO

Squares and roots of 18128830272

• 18128830272 squared (18128830272²) is 328654487030983593984
• 18128830272 cubed (18128830272³) is 5958121413515926780552496283648
• The square root of 18128830272 is 134643.3446999887
• The cube root of 18128830272 is 2626.9789592647

Scales and comparisons

• 18,128,830,272 seconds is equal to 576 years, 22 weeks, 6 days, 10 hours, 11 minutes, 12 seconds.
• To count from 1 to 18,128,830,272 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 18128830272 cubic inches would be around 218.9 feet tall.

Recreational maths with 18128830272

• 18128830272 backwards is 27203882181
• 18128830272 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18128830272's digits is 42
• More coming soon!