1455439920

Names of 1455439920

• Cardinal: 1455439920 can be written as One billion, four hundred fifty-five million, four hundred thirty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.45543992 × 10⁹

Factors of 1455439920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 12885

Divisors of 1455439920

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 43 44 48 55 60 66 80 86 88 110 120 129 132 165 172 176 215 220 240 258 264 330 344 430 440 473 516 528 645 660 688 860 880 946 1032 1290 1320 1419 1720 1892 2064 2365 2580 2640 2838 3440 3784 4730 5160 5676 7095 7568 9460 10320 11352 12821 14190 18920 22704 25642 28380 37840 38463 51284 56760 64105 76926 102568 113520 128210 141031 153852 192315 205136 256420 282062 307704 384630 423093 512840 551303 564124 615408 705155 769260 846186 1025680 1102606 1128248 1410310 1538520 1653909 1692372 2115465 2205212 2256496 2756515 2820620 3077040 3307818 3384744 4230930 4410424 5513030 5641240 6064333 6615636 6769488 8269545 8461860 8820848 11026060 11282480 12128666 13231272 16539090 16923720 18192999 22052120 24257332 26462544 30321665 33078180 33847440 36385998 44104240 48514664 60643330 66156360 72771996 90964995 97029328 121286660 132312720 145543992 181929990 242573320 291087984 363859980 485146640 727719960 1455439920
• Sum of all divisors σ(n): 5036891904
• Sum of proper divisors (its aliquot sum) s(n): 3581451984
• 1455439920 is an abundant number, because the sum of its proper divisors (3581451984) is greater than itself. Its abundance is 2126012064

Bases of 1455439920

• Binary: 1010110110000000100000000110000₂
• Hexadecimal: 0x56C04030
• Base-36: O2J4MO

Squares and roots of 1455439920

• 1455439920 squared (1455439920²) is 2118305360729606400
• 1455439920 cubed (1455439920³) is 3083066184755869480447488000
• The square root of 1455439920 is 38150.2283086223
• The cube root of 1455439920 is 1133.2648732195

Scales and comparisons

• 1,455,439,920 seconds is equal to 46 years, 14 weeks, 3 days, 8 hours, 52 minutes.
• To count from 1 to 1,455,439,920 would take you about ninety-two 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 1455439920 cubic inches would be around 94.4 feet tall.

Recreational maths with 1455439920

• 1455439920 backwards is 0299345541
• The number of decimal digits it has is: 10
• The sum of 1455439920's digits is 42
• More coming soon!