1398890638215

Names of 1398890638215

• Cardinal: 1398890638215 can be written as One trillion, three hundred ninety-eight billion, eight hundred ninety million, six hundred thirty-eight thousand, two hundred fifteen.

Scientific notation

• Scientific notation: 1.398890638215 × 10¹²

Factors of 1398890638215

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 9340

Divisors of 1398890638215

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 21 35 45 49 63 73 105 147 219 245 315 365 441 511 657 735 1061 1095 1533 2205 2555 3183 3285 3577 4599 5305 7427 7665 8191 9549 10731 15915 17885 22281 22995 24573 32193 37135 40955 47745 51989 53655 57337 66843 73719 77453 111405 122865 155967 160965 172011 232359 259945 286685 334215 368595 387265 401359 467901 516033 542171 597943 697077 779835 860055 1161795 1204077 1626513 1793829 2006795 2339505 2580165 2710855 2989715 3485385 3612231 3795197 4185601 4879539 5381487 6020385 8132565 8690651 8969145 11385591 12556803 18061155 18975985 20928005 24397695 26071953 26907435 29299207 34156773 37670409 43453255 56927955 60834557 62784015 78215859 87897621 130359765 146496035 170783865 182503671 188352045 263692863 304172785 391079295 425841899 439488105 547511013 634417523 912518355 1277525697 1318464315 1903252569 2129209495 2737555065 3172087615 3832577091 4440922661 5709757707 6387628485 9516262845 13322767983 19162885455 22204613305 28548788535 31086458627 39968303949 66613839915 93259375881 155432293135 199841519745 279778127643 466296879405 1398890638215
• Sum of all divisors σ(n): 2862303215616
• Sum of proper divisors (its aliquot sum) s(n): 1463412577401
• 1398890638215 is an abundant number, because the sum of its proper divisors (1463412577401) is greater than itself. Its abundance is 64521939186

Bases of 1398890638215

• Binary: 10100010110110100011000010010101110000111₂
• Hexadecimal: 0x145B4612B87
• Base-36: HUN3D8JR

Squares and roots of 1398890638215

• 1398890638215 squared (1398890638215²) is 1956895017685570018386225
• 1398890638215 cubed (1398890638215³) is 2737482120209920755216375574614588375
• The square root of 1398890638215 is 1182747.0727991679
• The cube root of 1398890638215 is 11183.9338048517

Scales and comparisons

• 1,398,890,638,215 seconds is equal to 44,480 years, 20 weeks, 3 days, 20 hours, 50 minutes, 15 seconds.
• To count from 1 to 1,398,890,638,215 would take you about one hundred eleven thousand, two hundred 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 1398890638215 cubic inches would be around 932 feet tall.

Recreational maths with 1398890638215

• 1398890638215 backwards is 5128360988931
• 1398890638215 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1398890638215's digits is 63
• More coming soon!