1661428736

Names of 1661428736

• Cardinal: 1661428736 can be written as One billion, six hundred sixty-one million, four hundred twenty-eight thousand, seven hundred thirty-six.

Scientific notation

• Scientific notation: 1.661428736 × 10⁹

Factors of 1661428736

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 89

Divisors of 1661428736

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 4 8 11 16 22 23 32 44 46 53 64 88 92 106 121 128 176 184 212 242 253 256 352 368 424 484 506 512 583 704 736 848 968 1012 1024 1166 1219 1331 1408 1472 1696 1936 2024 2332 2438 2662 2783 2816 2944 3392 3872 4048 4664 4876 5324 5566 5632 5888 6413 6784 7744 8096 9328 9752 10648 11132 11264 11776 12826 13409 13568 15488 16192 18656 19504 21296 22264 23552 25652 26818 27136 30613 30976 32384 37312 39008 42592 44528 51304 53636 54272 61226 61952 64768 70543 74624 78016 85184 89056 102608 107272 122452 123904 129536 141086 147499 149248 156032 170368 178112 205216 214544 244904 259072 282172 294998 298496 312064 340736 356224 410432 429088 489808 564344 589996 596992 624128 681472 712448 820864 858176 979616 1128688 1179992 1248256 1362944 1424896 1622489 1641728 1716352 1959232 2257376 2359984 2849792 3244978 3283456 3432704 3918464 4514752 4719968 6489956 6566912 6865408 7836928 9029504 9439936 12979912 13730816 15673856 18059008 18879872 25959824 31347712 36118016 37759744 51919648 72236032 75519488 103839296 151038976 207678592 415357184 830714368 1661428736
• Sum of all divisors σ(n): 3883863168
• Sum of proper divisors (its aliquot sum) s(n): 2222434432
• 1661428736 is an abundant number, because the sum of its proper divisors (2222434432) is greater than itself. Its abundance is 561005696

Bases of 1661428736

• Binary: 1100011000001110110010000000000₂
• Hexadecimal: 0x63076400
• Base-36: RH66M8

Squares and roots of 1661428736

• 1661428736 squared (1661428736²) is 2760345444806557696
• 1661428736 cubed (1661428736³) is 4586117243288316917376352256
• The square root of 1661428736 is 40760.6272768219
• The cube root of 1661428736 is 1184.3877473639

Scales and comparisons

• 1,661,428,736 seconds is equal to 52 years, 43 weeks, 11 hours, 58 minutes, 56 seconds.
• To count from 1 to 1,661,428,736 would take you about one hundred five 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 1661428736 cubic inches would be around 98.7 feet tall.

Recreational maths with 1661428736

• 1661428736 backwards is 6378241661
• 1661428736 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1661428736's digits is 44
• More coming soon!