142397298440

Names of 142397298440

• Cardinal: 142397298440 can be written as One hundred forty-two billion, three hundred ninety-seven million, two hundred ninety-eight thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.4239729844 × 10¹¹

Factors of 142397298440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1404

Divisors of 142397298440

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 5 8 10 20 31 40 41 43 53 62 82 86 106 124 155 164 172 205 212 215 248 265 310 328 344 410 424 430 530 620 820 860 1060 1229 1240 1271 1333 1640 1643 1720 1763 2120 2173 2279 2458 2542 2666 3286 3526 4346 4558 4916 5084 5332 6145 6355 6572 6665 7052 8215 8692 8815 9116 9832 10168 10664 10865 11395 12290 12710 13144 13330 14104 16430 17384 17630 18232 21730 22790 24580 25420 26660 32860 35260 38099 43460 45580 49160 50389 50840 52847 53320 54653 65137 65720 67363 70520 70649 76198 86920 91160 93439 100778 105694 109306 130274 134726 141298 152396 186878 190495 201556 211388 218612 251945 260548 264235 269452 273265 282596 304792 325685 336815 353245 373756 380990 403112 422776 437224 467195 503890 521096 528470 538904 546530 565192 651370 673630 706490 747512 761980 934390 1007780 1056940 1093060 1302740 1347260 1412980 1523960 1562059 1638257 1868780 2015560 2019247 2113880 2166727 2186120 2605480 2670617 2694520 2800891 2825960 2896609 3124118 3276514 3737560 4038494 4333454 5341234 5601782 5793218 6248236 6553028 7810295 8076988 8191285 8666908 10096235 10682468 10833635 11203564 11586436 12496472 13106056 13353085 14004455 14483045 15620590 16153976 16382570 17333816 20192470 21364936 21667270 22407128 23172872 26706170 28008910 28966090 31241180 32765140 40384940 43334540 53412340 56017820 57932180 62482360 65530280 67168537 80769880 82789127 86669080 86827621 106824680 112035640 114836531 115864360 134337074 165578254 173655242 229673062 268674148 331156508 335842685 347310484 413945635 434138105 459346124 537348296 574182655 662313016 671685370 694620968 827891270 868276210 918692248 1148365310 1343370740 1655782540 1736552420 2296730620 2686741480 3311565080 3473104840 3559932461 4593461240 7119864922 14239729844 17799662305 28479459688 35599324610 71198649220 142397298440
• Sum of all divisors σ(n): 353503180800
• Sum of proper divisors (its aliquot sum) s(n): 211105882360
• 142397298440 is an abundant number, because the sum of its proper divisors (211105882360) is greater than itself. Its abundance is 68708583920

Bases of 142397298440

• Binary: 10000100100111100010100101011100001000₂
• Hexadecimal: 0x21278A5708
• Base-36: 1TEZOAO8

Squares and roots of 142397298440

• 142397298440 squared (142397298440²) is 20276990603010426433600
• 142397298440 cubed (142397298440³) is 2887388682361951255297004043584000
• The square root of 142397298440 is 377355.6657054455
• The cube root of 142397298440 is 5221.9645189593

Scales and comparisons

• 142,397,298,440 seconds is equal to 4,527 years, 41 weeks, 1 day, 21 hours, 7 minutes, 20 seconds.
• To count from 1 to 142,397,298,440 would take you about nine thousand and fifty-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 142397298440 cubic inches would be around 435.2 feet tall.

Recreational maths with 142397298440

• 142397298440 backwards is 044892793241
• 142397298440 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 142397298440's digits is 53
• More coming soon!