30505919840

Names of 30505919840

• Cardinal: 30505919840 can be written as Thirty billion, five hundred five million, nine hundred nineteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 3.050591984 × 10¹⁰

Factors of 30505919840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1206

Divisors of 30505919840

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 37 40 44 55 74 80 88 110 121 148 160 176 185 220 242 296 352 370 407 440 484 592 605 740 814 880 968 1151 1184 1210 1369 1480 1628 1760 1936 2035 2302 2420 2738 2960 3256 3872 4070 4477 4604 4840 5476 5755 5920 6512 6845 8140 8954 9208 9680 10952 11510 12661 13024 13690 15059 16280 17908 18416 19360 21904 22385 23020 25322 27380 30118 32560 35816 36832 42587 43808 44770 46040 50644 54760 60236 63305 65120 71632 75295 85174 89540 92080 101288 109520 120472 126610 139271 143264 150590 165649 170348 179080 184160 202576 212935 219040 240944 253220 278542 301180 331298 340696 358160 405152 425870 468457 481888 506440 557084 602360 662596 681392 696355 716320 828245 851740 936914 1012880 1114168 1204720 1325192 1362784 1392710 1575719 1656490 1703480 1873828 2025760 2228336 2342285 2409440 2650384 2785420 3151438 3312980 3406960 3747656 4456672 4684570 5153027 5300768 5570840 6302876 6625960 6813920 7495312 7878595 9369140 10306054 11141680 12605752 13251920 14990624 15757190 17332909 18738280 20612108 22283360 25211504 25765135 26503840 31514380 34665818 37476560 41224216 50423008 51530270 63028760 69331636 74953120 82448432 86664545 103060540 126057520 138663272 164896864 173329090 190661999 206121080 252115040 277326544 346658180 381323998 412242160 554653088 693316360 762647996 824484320 953309995 1386632720 1525295992 1906619990 2773265440 3050591984 3813239980 6101183968 7626479960 15252959920 30505919840
• Sum of all divisors σ(n): 81487316736
• Sum of proper divisors (its aliquot sum) s(n): 50981396896
• 30505919840 is an abundant number, because the sum of its proper divisors (50981396896) is greater than itself. Its abundance is 20475477056

Bases of 30505919840

• Binary: 11100011010010010110110010101100000₂
• Hexadecimal: 0x71A4B6560
• Base-36: E0IFQE8

Squares and roots of 30505919840

• 30505919840 squared (30505919840²) is 930611145284505625600
• 30505919840 cubed (30505919840³) is 28389149000259722608582651904000
• The square root of 30505919840 is 174659.4395960321
• The cube root of 30505919840 is 3124.6020131883

Scales and comparisons

• 30,505,919,840 seconds is equal to 969 years, 51 weeks, 4 days, 18 hours, 37 minutes, 20 seconds.
• To count from 1 to 30,505,919,840 would take you about one thousand, nine hundred thirty-nine 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 30505919840 cubic inches would be around 260.4 feet tall.

Recreational maths with 30505919840

• 30505919840 backwards is 04891950503
• 30505919840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30505919840's digits is 44
• More coming soon!