9138015900

Names of 9138015900

• Cardinal: 9138015900 can be written as Nine billion, one hundred thirty-eight million, fifteen thousand, nine hundred.

Scientific notation

• Scientific notation: 9.1380159 × 10⁹

Factors of 9138015900

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 919

Divisors of 9138015900

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 13 15 18 20 25 26 30 36 39 45 50 52 60 65 73 75 78 90 100 117 130 146 150 156 169 180 195 219 225 234 260 292 300 325 338 365 390 438 450 468 507 585 650 657 676 730 780 823 845 876 900 949 975 1014 1095 1170 1300 1314 1460 1521 1646 1690 1825 1898 1950 2028 2190 2340 2469 2535 2628 2847 2925 3042 3285 3292 3380 3650 3796 3900 4115 4225 4380 4745 4938 5070 5475 5694 5850 6084 6570 7300 7407 7605 8230 8450 8541 9490 9876 10140 10699 10950 11388 11700 12337 12345 12675 13140 14235 14814 15210 16425 16460 16900 17082 18980 20575 21398 21900 23725 24674 24690 25350 28470 29628 30420 32097 32850 34164 37011 37035 38025 41150 42705 42796 47450 49348 49380 50700 53495 56940 60079 61685 61725 64194 65700 71175 74022 74070 76050 82300 85410 94900 96291 106990 111033 120158 123370 123450 128388 139087 142350 148044 148140 152100 160485 170820 180237 185055 185175 192582 213525 213980 222066 240316 246740 246900 267475 278174 284700 300395 308425 320970 360474 370110 370350 385164 417261 427050 444132 481455 534950 540711 555165 556348 600790 616850 641940 695435 720948 740220 740700 781027 802425 834522 854100 901185 925275 962910 1069900 1081422 1110330 1201580 1233700 1251783 1390870 1501975 1562054 1604850 1669044 1802370 1850550 1925820 2086305 2162844 2220660 2343081 2407275 2503566 2703555 2775825 2781740 3003950 3124108 3209700 3477175 3604740 3701100 3905135 4172610 4505925 4686162 4814550 5007132 5407110 5551650 6007900 6258915 6954350 7029243 7810270 8345220 9011850 9372324 9629100 10153351 10431525 10814220 11103300 11715405 12517830 13517775 13908700 14058486 15620540 18023700 19525675 20306702 20863050 23430810 25035660 27035550 28116972 30460053 31294575 35146215 39051350 40613404 41726100 46861620 50766755 54071100 58577025 60920106 62589150 70292430 78102700 91380159 101533510 117154050 121840212 125178300 140584860 152300265 175731075 182760318 203067020 234308100 253833775 304600530 351462150 365520636 456900795 507667550 609201060 702924300 761501325 913801590 1015335100 1523002650 1827603180 2284503975 3046005300 4569007950 9138015900
• Sum of all divisors σ(n): 31478433168
• Sum of proper divisors (its aliquot sum) s(n): 22340417268
• 9138015900 is an abundant number, because the sum of its proper divisors (22340417268) is greater than itself. Its abundance is 13202401368

Bases of 9138015900

• Binary: 1000100000101010110000111010011100₂
• Hexadecimal: 0x220AB0E9C
• Base-36: 474JE70

Squares and roots of 9138015900

• 9138015900 squared (9138015900²) is 83503334588652810000
• 9138015900 cubed (9138015900³) is 763054799174129337359679000000
• The square root of 9138015900 is 95592.9699298019
• The cube root of 9138015900 is 2090.6626943943

Scales and comparisons

• 9,138,015,900 seconds is equal to 290 years, 29 weeks, 1 day, 1 hour, 45 minutes.
• To count from 1 to 9,138,015,900 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 9138015900 cubic inches would be around 174.2 feet tall.

Recreational maths with 9138015900

• 9138015900 backwards is 0095108319
• 9138015900 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 9138015900's digits is 36
• More coming soon!