30918950920

Names of 30918950920

• Cardinal: 30918950920 can be written as Thirty billion, nine hundred eighteen million, nine hundred fifty thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.091895092 × 10¹⁰

Factors of 30918950920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 732

Divisors of 30918950920

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 11 13 20 22 26 40 44 52 55 65 88 104 110 121 130 143 220 242 260 286 440 484 520 572 605 701 715 968 1144 1210 1402 1430 1573 2420 2804 2860 3146 3505 4840 5608 5720 6292 7010 7711 7865 9113 12584 14020 15422 15730 18226 28040 30844 31460 36452 38555 45565 61688 62920 72904 77110 84821 91130 100243 154220 169642 182260 200486 308440 339284 364520 400972 424105 491401 501215 678568 801944 848210 982802 1002430 1102673 1696420 1965604 2004860 2205346 2457005 3392840 3931208 4009720 4410692 4914010 5405411 5513365 6388213 8821384 9828020 10810822 11026730 12776426 19656040 21621644 22053460 25552852 27027055 31941065 43243288 44106920 51105704 54054110 59459521 63882130 70270343 108108220 118919042 127764260 140540686 216216440 237838084 255528520 281081372 297297605 351351715 475676168 562162744 594595210 702703430 772973773 1189190420 1405406860 1545947546 2378380840 2810813720 3091895092 3864868865 6183790184 7729737730 15459475460 30918950920
• Sum of all divisors σ(n): 82466620740
• Sum of proper divisors (its aliquot sum) s(n): 51547669820
• 30918950920 is an abundant number, because the sum of its proper divisors (51547669820) is greater than itself. Its abundance is 20628718900

Bases of 30918950920

• Binary: 11100110010111010011100000000001000₂
• Hexadecimal: 0x732E9C008
• Base-36: E7CCF7S

Squares and roots of 30918950920

• 30918950920 squared (30918950920²) is 955981525993368846400
• 30918950920 cubed (30918950920³) is 29557945882615675607298618688000
• The square root of 30918950920 is 175837.8540587889
• The cube root of 30918950920 is 3138.6405639759

Scales and comparisons

• 30,918,950,920 seconds is equal to 983 years, 6 weeks, 4 days, 5 hours, 28 minutes, 40 seconds.
• To count from 1 to 30,918,950,920 would take you about one thousand, nine hundred sixty-six 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 30918950920 cubic inches would be around 261.6 feet tall.

Recreational maths with 30918950920

• 30918950920 backwards is 02905981903
• The number of decimal digits it has is: 11
• The sum of 30918950920's digits is 46
• More coming soon!