1381451328

Names of 1381451328

• Cardinal: 1381451328 can be written as One billion, three hundred eighty-one million, four hundred fifty-one thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 1.381451328 × 10⁹

Factors of 1381451328

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2153

Divisors of 1381451328

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 144 192 216 288 432 479 576 864 958 1437 1669 1728 1916 2874 3338 3832 4311 5007 5748 6676 7664 8622 10014 11496 12933 13352 15021 15328 17244 20028 22992 25866 26704 30042 30656 34488 40056 45063 45984 51732 53408 60084 68976 80112 90126 91968 103464 106816 120168 137952 160224 180252 206928 240336 275904 320448 360504 413856 480672 721008 799451 827712 961344 1442016 1598902 2398353 2884032 3197804 4796706 6395608 7195059 9593412 12791216 14390118 19186824 21585177 25582432 28780236 38373648 43170354 51164864 57560472 76747296 86340708 115120944 153494592 172681416 230241888 345362832 460483776 690725664 1381451328
• Sum of all divisors σ(n): 4072128000
• Sum of proper divisors (its aliquot sum) s(n): 2690676672
• 1381451328 is an abundant number, because the sum of its proper divisors (2690676672) is greater than itself. Its abundance is 1309225344

Bases of 1381451328

• Binary: 1010010010101110100011001000000₂
• Hexadecimal: 0x52574640
• Base-36: MUHAO0

Squares and roots of 1381451328

• 1381451328 squared (1381451328²) is 1908407771632963584
• 1381451328 cubed (1381451328³) is 2636372450487878271692439552
• The square root of 1381451328 is 37167.8803269705
• The cube root of 1381451328 is 1113.7264385271

Scales and comparisons

• 1,381,451,328 seconds is equal to 43 years, 48 weeks, 1 day, 28 minutes, 48 seconds.
• To count from 1 to 1,381,451,328 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 1381451328 cubic inches would be around 92.8 feet tall.

Recreational maths with 1381451328

• 1381451328 backwards is 8231541831
• 1381451328 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1381451328's digits is 36
• More coming soon!