642428929365228

Names of 642428929365228

• Cardinal: 642428929365228 can be written as Six hundred forty-two trillion, four hundred twenty-eight billion, nine hundred twenty-nine million, three hundred sixty-five thousand, two hundred twenty-eight.

Scientific notation

• Scientific notation: 6.42428929365228 × 10¹⁴

Factors of 642428929365228

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 761

Divisors of 642428929365228

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 27 34 36 51 54 68 81 102 108 153 162 204 289 306 324 459 578 612 739 867 918 1156 1377 1478 1734 1836 2217 2601 2754 2956 3468 4434 4913 5202 5508 6651 7803 8868 9826 10404 12563 13302 14739 15606 19652 19953 23409 25126 26604 29478 31212 37689 39906 44217 46818 50252 58956 59859 75378 79812 88434 93636 113067 119718 132651 150756 176868 213571 226134 239436 265302 339201 397953 427142 452268 530604 546121 640713 678402 795906 854284 1017603 1092242 1281426 1356804 1591812 1638363 1922139 2035206 2184484 2562852 3276726 3630707 3844278 4070412 4915089 5766417 6553452 7261414 7688556 9284057 9830178 10892121 11532834 14522828 14745267 17299251 18568114 19660356 21784242 23065668 27852171 29490534 32676363 34598502 37136228 43568484 44235801 55704342 58981068 65352726 69197004 83556513 88471602 98029089 111408684 130705452 157828969 167113026 176943204 196058178 250669539 294087267 315657938 334226052 392116356 403583419 473486907 501339078 588174534 631315876 752008617 807166838 946973814 1002678156 1176349068 1210750257 1420460721 1504017234 1614333676 1893947628 2421500514 2683092473 2840921442 3008034468 3632250771 4261382163 4843001028 5366184946 5681842884 6860918123 7264501542 8049277419 8522764326 10732369892 10896752313 12784146489 13721836246 14529003084 16098554838 17045528652 20582754369 21793504626 24147832257 25568292978 27443672492 32197109676 32690256939 41165508738 43587009252 48295664514 51136585956 61748263107 65380513878 72443496771 82331017476 96591329028 116635608091 123496526214 130761027756 144886993542 185244789321 217330490313 233271216182 246993052428 289773987084 349906824273 370489578642 434660980626 466542432364 555734367963 699813648546 740979157284 869321961252 1049720472819 1111468735926 1399627297092 1982805337547 2099440945638 2222937471852 3149161418457 3965610675094 4198881891276 5948416012641 6298322836914 7931221350188 9447484255371 11896832025282 12596645673828 17845248037923 18894968510742 23793664050564 35690496075846 37789937021484 53535744113769 71380992151692 107071488227538 160607232341307 214142976455076 321214464682614 642428929365228
• Sum of all divisors σ(n): 1786797372175200
• Sum of proper divisors (its aliquot sum) s(n): 1144368442809972
• 642428929365228 is an abundant number, because the sum of its proper divisors (1144368442809972) is greater than itself. Its abundance is 501939513444744

Bases of 642428929365228

• Binary: 10010010000100100100100100001000001101010011101100₂
• Hexadecimal: 0x248492420D4EC
• Base-36: 6BPZRXIQR0

Squares and roots of 642428929365228

• 642428929365228 squared (642428929365228²) is 412714929285353106895015491984
• 642428929365228 cubed (642428929365228³) is 265140010153835180042418262478741923242332352
• The square root of 642428929365228 is 25346181.7512071825
• The cube root of 642428929365228 is 86286.2701751849

Scales and comparisons

• 642,428,929,365,228 seconds is equal to 20,427,252 years, 41 weeks, 19 hours, 13 minutes, 48 seconds.
• To count from 1 to 642,428,929,365,228 would take you about fifty-one million, sixty-eight thousand, one hundred thirty-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 642428929365228 cubic inches would be around 7190.5 feet tall.

Recreational maths with 642428929365228

• 642428929365228 backwards is 822563929824246
• The number of decimal digits it has is: 15
• The sum of 642428929365228's digits is 72
• More coming soon!