389306909220

Names of 389306909220

• Cardinal: 389306909220 can be written as Three hundred eighty-nine billion, three hundred six million, nine hundred nine thousand, two hundred twenty.

Scientific notation

• Scientific notation: 3.8930690922 × 10¹¹

Factors of 389306909220

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 440115

Divisors of 389306909220

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 29 30 58 60 87 116 145 174 290 348 435 509 580 870 1018 1527 1740 2036 2545 3054 5090 6108 7635 10180 14761 15270 29522 30540 44283 59044 73805 88566 147610 177132 221415 295220 439567 442830 879134 885660 1318701 1758268 2197835 2637402 4395670 5274804 6593505 8791340 12747443 13187010 25494886 26374020 38242329 50989772 63737215 76484658 127474430 152969316 191211645 223739603 254948860 382423290 447479206 671218809 764846580 894958412 1118698015 1342437618 2237396030 2684875236 3356094045 4474792060 6488448487 6712188090 12976896974 13424376180 19465345461 25953793948 32442242435 38930690922 64884484870 77861381844 97326727305 129768969740 194653454610 389306909220
• Sum of all divisors σ(n): 1129865587200
• Sum of proper divisors (its aliquot sum) s(n): 740558677980
• 389306909220 is an abundant number, because the sum of its proper divisors (740558677980) is greater than itself. Its abundance is 351251768760

Bases of 389306909220

• Binary: 101101010100100100000000000001000100100₂
• Hexadecimal: 0x5AA4800224
• Base-36: 4YUFA5NO

Squares and roots of 389306909220

• 389306909220 squared (389306909220²) is 151559869566429321008400
• 389306909220 cubed (389306909220³) is 59003304382692940433363417657448000
• The square root of 389306909220 is 623944.6363420395
• The cube root of 389306909220 is 7301.8129557323

Scales and comparisons

• 389,306,909,220 seconds is equal to 12,378 years, 39 weeks, 2 days, 7 minutes.
• To count from 1 to 389,306,909,220 would take you about twenty-four thousand, seven hundred fifty-seven 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 389306909220 cubic inches would be around 608.5 feet tall.

Recreational maths with 389306909220

• 389306909220 backwards is 022909603983
• The number of decimal digits it has is: 12
• The sum of 389306909220's digits is 51
• More coming soon!