30947387520

Names of 30947387520

• Cardinal: 30947387520 can be written as Thirty billion, nine hundred forty-seven million, three hundred eighty-seven thousand, five hundred twenty.

Scientific notation

• Scientific notation: 3.094738752 × 10¹⁰

Factors of 30947387520

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 135483

Divisors of 30947387520

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 17 20 21 24 28 30 32 34 35 40 42 48 51 56 60 64 68 70 80 84 85 96 102 105 112 119 120 128 136 140 160 168 170 192 204 210 224 238 240 255 272 280 320 336 340 357 384 408 420 448 476 480 510 544 560 595 640 672 680 714 816 840 896 952 960 1020 1088 1120 1190 1344 1360 1428 1632 1680 1785 1904 1920 2040 2176 2240 2380 2688 2720 2856 3264 3360 3570 3808 4080 4480 4760 5440 5712 6528 6720 7140 7616 8160 9520 10880 11424 13440 14280 15232 16320 19040 22848 28560 32640 38080 45696 57120 76160 114240 135449 228480 270898 406347 541796 677245 812694 948143 1083592 1354490 1625388 1896286 2031735 2167184 2302633 2708980 2844429 3250776 3792572 4063470 4334368 4605266 4740715 5417960 5688858 6501552 6907899 7585144 8126940 8668736 9210532 9481430 10835920 11377716 11513165 13003104 13815798 14222145 15170288 16118431 16253880 17337472 18421064 18962860 21671840 22755432 23026330 26006208 27631596 28444290 30340576 32236862 32507760 34539495 36842128 37925720 43343680 45510864 46052660 48355293 52012416 55263192 56888580 60681152 64473724 65015520 69078990 73684256 75851440 80592155 86687360 91021728 92105320 96710586 110526384 113777160 121362304 128947448 130031040 138157980 147368512 151702880 161184310 182043456 184210640 193421172 221052768 227554320 241776465 257894896 260062080 276315960 294737024 303405760 322368620 364086912 368421280 386842344 442105536 455108640 483552930 515789792 552631920 606811520 644737240 736842560 773684688 884211072 910217280 967105860 1031579584 1105263840 1289474480 1473685120 1547369376 1820434560 1934211720 2063159168 2210527680 2578948960 3094738752 3868423440 4421055360 5157897920 6189477504 7736846880 10315795840 15473693760 30947387520
• Sum of all divisors σ(n): 119369376000
• Sum of proper divisors (its aliquot sum) s(n): 88421988480
• 30947387520 is an abundant number, because the sum of its proper divisors (88421988480) is greater than itself. Its abundance is 57474600960

Bases of 30947387520

• Binary: 11100110100100110111010100010000000₂
• Hexadecimal: 0x7349BA880
• Base-36: E7T9X1C

Squares and roots of 30947387520

• 30947387520 squared (30947387520²) is 957740794313051750400
• 30947387520 cubed (30947387520³) is 29639575505318624713443115008000
• The square root of 30947387520 is 175918.6957659703
• The cube root of 30947387520 is 3139.6024866305

Scales and comparisons

• 30,947,387,520 seconds is equal to 984 years, 1 week, 4 days, 8 hours, 32 minutes.
• To count from 1 to 30,947,387,520 would take you about one thousand, nine hundred sixty-eight 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 30947387520 cubic inches would be around 261.6 feet tall.

Recreational maths with 30947387520

• 30947387520 backwards is 02578374903
• 30947387520 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30947387520's digits is 48
• More coming soon!