47021385978

Names of 47021385978

• Cardinal: 47021385978 can be written as Forty-seven billion, twenty-one million, three hundred eighty-five thousand, nine hundred seventy-eight.

Scientific notation

• Scientific notation: 4.7021385978 × 10¹⁰

Factors of 47021385978

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 328

Divisors of 47021385978

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 6 7 9 14 18 21 23 27 42 46 49 54 63 69 81 98 126 138 147 161 162 189 207 243 293 294 322 378 414 441 483 486 567 586 621 879 882 966 1127 1134 1242 1323 1449 1701 1758 1863 2051 2254 2637 2646 2898 3381 3402 3726 3969 4102 4347 5274 5589 6153 6739 6762 7911 7938 8694 10143 11178 11907 12306 13041 13478 14357 15822 18459 20217 20286 23733 23814 26082 28714 30429 36918 39123 40434 43071 47173 47466 55377 60651 60858 71199 78246 85849 86142 91287 94346 110754 121302 129213 141519 142398 166131 171698 181953 182574 257547 258426 273861 283038 330211 332262 363906 387639 424557 498393 515094 545859 547722 600943 660422 772641 775278 849114 990633 996786 1091718 1162917 1201886 1273671 1545282 1637577 1802829 1974527 1981266 2317923 2325834 2547342 2971899 3275154 3488751 3605658 3821013 3949054 4206601 4635846 5408487 5923581 5943798 6953769 6977502 7642026 8413202 8915697 10816974 11463039 11847162 12619803 13821689 13907538 16225461 17770743 17831394 20861307 22926078 25239606 26747091 27643378 32450922 35541486 37859409 41465067 41722614 48676383 53312229 53494182 75718818 80241273 82930134 96751823 97352766 106624458 113578227 124395201 146029149 159936687 160482546 193503646 227156454 248790402 290255469 292058298 319873374 340734681 373185603 479810061 580510938 681469362 746371206 870766407 959620122 1022204043 1119556809 1741532814 2044408086 2239113618 2612299221 3358670427 5224598442 6717340854 7836897663 15673795326 23510692989 47021385978
• Sum of all divisors σ(n): 128685237408
• Sum of proper divisors (its aliquot sum) s(n): 81663851430
• 47021385978 is an abundant number, because the sum of its proper divisors (81663851430) is greater than itself. Its abundance is 34642465452

Bases of 47021385978

• Binary: 101011110010101100010110100011111010₂
• Hexadecimal: 0xAF2B168FA
• Base-36: LLNBHMI

Squares and roots of 47021385978

• 47021385978 squared (47021385978²) is 2211010739292055016484
• 47021385978 cubed (47021385978³) is 103964789373754849398905316461352
• The square root of 47021385978 is 216844.1513576053
• The cube root of 47021385978 is 3609.3733607927

Scales and comparisons

• 47,021,385,978 seconds is equal to 1,495 years, 7 weeks, 6 minutes, 18 seconds.
• To count from 1 to 47,021,385,978 would take you about two thousand, nine hundred ninety 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 47021385978 cubic inches would be around 300.8 feet tall.

Recreational maths with 47021385978

• 47021385978 backwards is 87958312074
• 47021385978 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 47021385978's digits is 54
• More coming soon!