1438492545

Names of 1438492545

• Cardinal: 1438492545 can be written as One billion, four hundred thirty-eight million, four hundred ninety-two thousand, five hundred forty-five.

Scientific notation

• Scientific notation: 1.438492545 × 10⁹

Factors of 1438492545

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 1860

Divisors of 1438492545

• Number of divisors d(n): 96
• Complete list of divisors:
  1 3 5 7 9 15 21 35 43 45 61 63 105 129 183 215 301 305 315 387 427 549 645 903 915 1281 1505 1741 1935 2135 2623 2709 2745 3843 4515 5223 6405 7869 8705 12187 13115 13545 15669 18361 19215 23607 26115 36561 39345 55083 60935 74863 78345 91805 106201 109683 118035 165249 182805 224589 275415 318603 374315 524041 531005 548415 673767 743407 826245 955809 1122945 1572123 1593015 2230221 2620205 3368835 3717035 4566643 4716369 4779045 6690663 7860615 11151105 13699929 22833215 23581845 31966501 33453315 41099787 68499645 95899503 159832505 205498935 287698509 479497515 1438492545
• Sum of all divisors σ(n): 2965357824
• Sum of proper divisors (its aliquot sum) s(n): 1526865279
• 1438492545 is an abundant number, because the sum of its proper divisors (1526865279) is greater than itself. Its abundance is 88372734

Bases of 1438492545

• Binary: 1010101101111011010011110000001₂
• Hexadecimal: 0x55BDA781
• Base-36: NSFVY9

Squares and roots of 1438492545

• 1438492545 squared (1438492545²) is 2069260802020577025
• 1438492545 cubed (1438492545³) is 2976616237367320987060778625
• The square root of 1438492545 is 37927.4642574481
• The cube root of 1438492545 is 1128.8490500011

Scales and comparisons

• 1,438,492,545 seconds is equal to 45 years, 38 weeks, 3 days, 5 hours, 15 minutes, 45 seconds.
• To count from 1 to 1,438,492,545 would take you about ninety-one 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 1438492545 cubic inches would be around 94.1 feet tall.

Recreational maths with 1438492545

• 1438492545 backwards is 5452948341
• 1438492545 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1438492545's digits is 45
• More coming soon!