42638986390

Names of 42638986390

• Cardinal: 42638986390 can be written as Forty-two billion, six hundred thirty-eight million, nine hundred eighty-six thousand, three hundred ninety.

Scientific notation

• Scientific notation: 4.263898639 × 10¹⁰

Factors of 42638986390

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1143

Divisors of 42638986390

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 5 7 10 11 13 14 17 22 26 34 35 55 65 70 77 85 91 110 119 130 143 154 170 182 187 221 238 286 331 374 385 442 455 595 662 715 757 770 910 935 1001 1105 1190 1309 1430 1514 1547 1655 1870 2002 2210 2317 2431 2618 3094 3310 3641 3785 4303 4634 4862 5005 5299 5627 6545 7282 7570 7735 8327 8606 9841 10010 10598 11254 11585 12155 12869 13090 15470 16654 17017 18205 19682 21515 23170 24310 25487 25738 26495 28135 30121 34034 36410 39389 41635 43030 47333 49205 50974 52990 56270 58289 60242 61897 64345 68887 73151 78778 83270 85085 90083 94666 98410 108251 116578 123794 127435 128690 137774 141559 146302 150605 167297 170170 180166 196945 216502 236665 250567 254870 283118 291445 301210 309485 331331 334594 344435 365755 393890 433279 450415 473330 501134 512057 541255 582890 618970 662662 688870 707795 731510 757757 804661 836485 866558 900830 990913 1024114 1082510 1171079 1252835 1415590 1515514 1609322 1656655 1672970 1753969 1840267 1981826 2166395 2342158 2505670 2560285 2756237 3257371 3313310 3507938 3680534 3788785 4023305 4259639 4332790 4954565 5120570 5512474 5632627 5855395 6514742 7577570 8046610 8519278 8769845 9201335 9909130 11265254 11710790 12881869 13781185 16286855 17539690 18402670 19293659 21298195 22801597 25763738 27562370 28163135 29817473 32573710 35831081 38587318 42596390 45603194 46856029 55375307 56326270 59634946 64409345 71662162 93712058 96468295 110750614 114007985 128818690 149087365 179155405 192936590 228015970 234280145 250817567 276876535 298174730 327992203 358310810 387627149 468560290 501635134 553753070 609128377 655984406 775254298 1218256754 1254087835 1639961015 1938135745 2508175670 3045641885 3279922030 3876271490 4263898639 6091283770 8527797278 21319493195 42638986390
• Sum of all divisors σ(n): 109585115136
• Sum of proper divisors (its aliquot sum) s(n): 66946128746
• 42638986390 is an abundant number, because the sum of its proper divisors (66946128746) is greater than itself. Its abundance is 24307142356

Bases of 42638986390

• Binary: 100111101101011110110100110010010110₂
• Hexadecimal: 0x9ED7B4C96
• Base-36: JL65GGM

Squares and roots of 42638986390

• 42638986390 squared (42638986390²) is 1818083160366605232100
• 42638986390 cubed (42638986390³) is 77521223130759867902014691119000
• The square root of 42638986390 is 206492.0976454063
• The cube root of 42638986390 is 3493.5660408195

Scales and comparisons

• 42,638,986,390 seconds is equal to 1,355 years, 40 weeks, 6 days, 18 hours, 53 minutes, 10 seconds.
• To count from 1 to 42,638,986,390 would take you about two thousand, seven hundred eleven 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 42638986390 cubic inches would be around 291.1 feet tall.

Recreational maths with 42638986390

• 42638986390 backwards is 09368983624
• The number of decimal digits it has is: 11
• The sum of 42638986390's digits is 58
• More coming soon!