138905428350

Names of 138905428350

• Cardinal: 138905428350 can be written as One hundred thirty-eight billion, nine hundred five million, four hundred twenty-eight thousand, three hundred fifty.

Scientific notation

• Scientific notation: 1.3890542835 × 10¹¹

Factors of 138905428350

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 152

Divisors of 138905428350

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 5 6 10 13 15 17 23 25 26 30 34 39 46 50 51 65 69 75 78 85 89 102 115 130 138 150 170 178 195 221 230 255 267 299 325 345 390 391 425 442 445 510 529 534 575 598 650 663 690 782 850 890 897 975 1058 1105 1150 1157 1173 1275 1326 1335 1495 1513 1587 1725 1794 1950 1955 2047 2210 2225 2314 2346 2550 2645 2670 2990 3026 3174 3315 3450 3471 3910 4094 4450 4485 4539 5083 5290 5525 5785 5865 6141 6630 6675 6877 6942 7475 7565 7921 7935 8970 8993 9078 9775 10166 10235 11050 11570 11730 12282 13225 13350 13754 14950 15130 15249 15842 15870 16575 17355 17986 19550 19669 20470 20631 22425 22695 23763 25415 26450 26611 26979 28925 29325 30498 30705 33150 34385 34710 34799 37825 39338 39605 39675 41262 44850 44965 45390 47081 47526 50830 51175 53222 53958 57850 58650 59007 61410 68770 69598 75650 76245 79210 79350 79833 86775 89930 94162 98345 102350 102973 103155 104397 113475 116909 118014 118815 127075 133055 134657 134895 141243 152490 153525 159666 171925 173550 173995 182183 196690 198025 205946 206310 208794 224825 226950 233818 235405 237630 254150 266110 269314 269790 282486 295035 307050 308919 343850 347990 350727 364366 381225 396050 399165 403971 449650 452387 470810 491725 514865 515775 521985 546549 584545 590070 594075 612053 617838 665275 673285 674475 701454 706215 762450 798330 800377 807942 869975 904774 910915 983450 1029730 1031550 1043970 1093098 1169090 1177025 1188150 1224106 1330550 1346570 1348950 1357161 1412430 1475175 1544595 1600754 1739950 1750541 1753635 1821830 1836159 1995825 2019855 2261935 2354050 2368379 2401131 2574325 2609925 2714322 2732745 2922725 2950350 3060265 3089190 3097111 3366425 3501082 3507270 3531075 3672318 3991650 4001885 4039710 4190209 4523870 4554575 4736758 4802262 5148650 5219850 5251623 5465490 5845450 6120530 6194222 6732850 6785805 7062150 7105137 7722975 8003770 8380418 8752705 8768175 9109150 9180795 9291333 10099275 10404901 10503246 11309675 11841895 12005655 12570627 13571610 13663725 14210274 15301325 15445950 15485555 17505410 17536350 18361590 18582666 20009425 20198550 20809802 20951045 22619350 23683790 24011310 25141254 26258115 27327450 30602650 30971110 31214703 33929025 35525685 40018850 40262443 41902090 43763525 45903975 46456665 52024505 52516230 54472717 59209475 60028275 62429406 62853135 67858050 71051370 71233553 77427775 80524886 87527050 91807950 92913330 104049010 104755225 108945434 118418950 120056550 120787329 125706270 131290575 142467106 154855550 156073515 163418151 177628425 201312215 209510450 213700659 232283325 241574658 260122525 262581150 272363585 312147030 314265675 326836302 355256850 356167765 402624430 427401318 464566650 520245050 544727170 603936645 628531350 712335530 780367575 817090755 926036189 1006561075 1068503295 1207873290 1361817925 1560735150 1634181510 1780838825 1852072378 2013122150 2137006590 2723635850 2778108567 3019683225 3561677650 4085453775 4630180945 5342516475 5556217134 6039366450 8170907550 9260361890 10685032950 13890542835 23150904725 27781085670 46301809450 69452714175 138905428350
• Sum of all divisors σ(n): 415293700752
• Sum of proper divisors (its aliquot sum) s(n): 276388272402
• 138905428350 is an abundant number, because the sum of its proper divisors (276388272402) is greater than itself. Its abundance is 137482844052

Bases of 138905428350

• Binary: 10000001010111011010001010000101111110₂
• Hexadecimal: 0x205768A17E
• Base-36: 1RT8PEGU

Squares and roots of 138905428350

• 138905428350 squared (138905428350²) is 19294718025096983722500
• 138905428350 cubed (138905428350³) is 2680141072168562574266840032875000
• The square root of 138905428350 is 372700.1856049981
• The cube root of 138905428350 is 5178.9264029017

Scales and comparisons

• 138,905,428,350 seconds is equal to 4,416 years, 39 weeks, 4 days, 17 hours, 12 minutes, 30 seconds.
• To count from 1 to 138,905,428,350 would take you about eight thousand, eight hundred thirty-three 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 138905428350 cubic inches would be around 431.6 feet tall.

Recreational maths with 138905428350

• 138905428350 backwards is 053824509831
• The number of decimal digits it has is: 12
• The sum of 138905428350's digits is 48
• More coming soon!