1380500394

Names of 1380500394

• Cardinal: 1380500394 can be written as One billion, three hundred eighty million, five hundred thousand, three hundred ninety-four.

Scientific notation

• Scientific notation: 1.380500394 × 10⁹

Factors of 1380500394

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 496

Divisors of 1380500394

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 6 7 13 14 21 26 39 42 61 78 91 122 181 182 183 229 273 362 366 427 458 543 546 687 793 854 1086 1267 1281 1374 1586 1603 2353 2379 2534 2562 2977 3206 3801 4706 4758 4809 5551 5954 7059 7602 8931 9618 11041 11102 13969 14118 16471 16653 17862 20839 22082 27938 32942 33123 33306 41449 41678 41907 49413 62517 66246 77287 82898 83814 97783 98826 124347 125034 143533 154574 181597 195566 231861 248694 287066 290143 293349 363194 430599 463722 538837 544791 580286 586698 861198 870429 1004731 1077674 1089582 1271179 1616511 1740858 2009462 2528389 2542358 3014193 3233022 3771859 3813537 5056778 6028386 7543718 7585167 7627074 11315577 15170334 17698723 22631154 32869057 35397446 53096169 65738114 98607171 106192338 197214342 230083399 460166798 690250197 1380500394
• Sum of all divisors σ(n): 3488110080
• Sum of proper divisors (its aliquot sum) s(n): 2107609686
• 1380500394 is an abundant number, because the sum of its proper divisors (2107609686) is greater than itself. Its abundance is 727109292

Bases of 1380500394

• Binary: 1010010010010001100001110101010₂
• Hexadecimal: 0x5248C3AA
• Base-36: MTWWX6

Squares and roots of 1380500394

• 1380500394 squared (1380500394²) is 1905781337834155236
• 1380500394 cubed (1380500394³) is 2630931887757898409955162984
• The square root of 1380500394 is 37155.0857084195
• The cube root of 1380500394 is 1113.4708321181

Scales and comparisons

• 1,380,500,394 seconds is equal to 43 years, 46 weeks, 4 days, 19 minutes, 54 seconds.
• To count from 1 to 1,380,500,394 would take you about eighty-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 1380500394 cubic inches would be around 92.8 feet tall.

Recreational maths with 1380500394

• 1380500394 backwards is 4930050831
• The number of decimal digits it has is: 10
• The sum of 1380500394's digits is 33
• More coming soon!