402109755819642

Names of 402109755819642

• Cardinal: 402109755819642 can be written as Four hundred two trillion, one hundred nine billion, seven hundred fifty-five million, eight hundred nineteen thousand, six hundred forty-two.

Scientific notation

• Scientific notation: 4.02109755819642 × 10¹⁴

Factors of 402109755819642

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 117210332

Divisors of 402109755819642

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 3 6 9 13 18 26 27 39 54 78 81 117 162 181 234 243 351 362 486 543 702 729 1053 1086 1458 1629 2106 2353 3159 3258 4706 4887 6318 7059 9477 9774 14118 14661 18954 21177 29322 42354 43983 63531 87966 127062 131949 190593 263898 381186 571779 1143558 1715337 3430674 117210133 234420266 351630399 703260798 1054891197 1523731729 2109782394 3047463458 3164673591 4571195187 6329347182 9142390374 9494020773 13713585561 18988041546 21215034073 27427171122 28482062319 41140756683 42430068146 56964124638 63645102219 82281513366 85446186957 123422270049 127290204438 170892373914 190935306657 246844540098 275795442949 370266810147 381870613314 551590885898 572805919971 740533620294 827386328847 1110800430441 1145611839942 1654772657694 1718417759913 2221600860882 2482158986541 3436835519826 4964317973082 5155253279739 7446476959623 10310506559478 14892953919246 15465759839217 22339430878869 30931519678434 44678861757738 67018292636607 134036585273214 201054877909821 402109755819642
• Sum of all divisors σ(n): 979278010875528
• Sum of proper divisors (its aliquot sum) s(n): 577168255055886
• 402109755819642 is an abundant number, because the sum of its proper divisors (577168255055886) is greater than itself. Its abundance is 175058499236244

Bases of 402109755819642

• Binary: 1011011011011011101111001001010000000011001111010₂
• Hexadecimal: 0x16DB77928067A
• Base-36: 3YJAO6G5MI

Squares and roots of 402109755819642

• 402109755819642 squared (402109755819642²) is 161692255725332113287233008164
• 402109755819642 cubed (402109755819642³) is 65018033467640407234784173539713277097557288
• The square root of 402109755819642 is 20052674.5303373931
• The cube root of 402109755819642 is 73809.9430043793

Scales and comparisons

• 402,109,755,819,642 seconds is equal to 12,785,846 years, 22 weeks, 1 day, 18 hours, 20 minutes, 42 seconds.
• To count from 1 to 402,109,755,819,642 would take you about thirty-one million, nine hundred sixty-four thousand, six hundred sixteen 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 402109755819642 cubic inches would be around 6150.8 feet tall.

Recreational maths with 402109755819642

• 402109755819642 backwards is 246918557901204
• The number of decimal digits it has is: 15
• The sum of 402109755819642's digits is 63
• More coming soon!