389941054882015

Names of 389941054882015

• Cardinal: 389941054882015 can be written as Three hundred eighty-nine trillion, nine hundred forty-one billion, fifty-four million, eight hundred eighty-two thousand and fifteen.

Scientific notation

• Scientific notation: 3.89941054882015 × 10¹⁴

Factors of 389941054882015

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 24489

Divisors of 389941054882015

• Number of divisors d(n): 128
• Complete list of divisors:
  1 5 7 13 35 65 73 91 127 365 455 511 635 889 949 1651 2555 4445 4733 4745 6643 8255 9271 11557 19531 23665 33131 33215 46355 57785 61529 64897 97655 120523 136717 165655 253903 307645 324485 345509 430703 601091 602615 683585 843661 1269515 1425763 1727545 1777321 2153515 2418563 2480437 3005455 4207637 4218305 4491617 7128815 7814183 8886605 9980341 12092815 12402185 17363059 18534919 21038185 22458085 31441319 32245681 39070915 43879643 49901705 54699281 86815295 92440223 92674595 129744433 157206595 161228405 181071901 219398215 225719767 273496405 307157501 462201115 570435359 647081561 648722165 905359505 1128598835 1201722899 1267503307 1535787505 2353934713 2852176795 3235407805 3993047513 6008614495 6337516535 6748136279 8412060293 11739908321 11769673565 16477542991 19965237565 33740681395 42060301465 47236953953 58699541605 82179358247 82387714955 87725771627 152618808173 236184769765 410896791235 438628858135 614080401389 763094040865 857013307433 1068331657211 3070402006945 4285066537165 5341658286055 5999093152031 11141172996629 29995465760155 55705864983145 77988210976403 389941054882015
• Sum of all divisors σ(n): 588553479585792
• Sum of proper divisors (its aliquot sum) s(n): 198612424703777
• 389941054882015 is a deficient number, because the sum of its proper divisors (198612424703777) is less than itself. Its deficiency is 191328630178238

Bases of 389941054882015

• Binary: 1011000101010011000111010000011110100000011011111₂
• Hexadecimal: 0x162A63A0F40DF
• Base-36: 3U80G43HSV

Squares and roots of 389941054882015

• 389941054882015 squared (389941054882015²) is 152054026282498634265570460225
• 389941054882015 cubed (389941054882015³) is 59292107407655151190635094073148706625353375
• The square root of 389941054882015 is 19746925.2006993485
• The cube root of 389941054882015 is 73057.7546876901

Scales and comparisons

• 389,941,054,882,015 seconds is equal to 12,398,919 years, 19 weeks, 4 days, 17 hours, 26 minutes, 55 seconds.
• To count from 1 to 389,941,054,882,015 would take you about thirty million, nine hundred ninety-seven thousand, two hundred ninety-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 389941054882015 cubic inches would be around 6088.1 feet tall.

Recreational maths with 389941054882015

• 389941054882015 backwards is 510288450149983
• The number of decimal digits it has is: 15
• The sum of 389941054882015's digits is 67
• More coming soon!