13405267890

Names of 13405267890

• Cardinal: 13405267890 can be written as Thirteen billion, four hundred five million, two hundred sixty-seven thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.340526789 × 10¹⁰

Factors of 13405267890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 166

Divisors of 13405267890

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 17 18 21 30 34 35 42 45 51 61 63 70 71 85 90 102 105 119 122 126 142 153 170 183 210 213 238 255 289 305 306 315 355 357 366 426 427 497 510 549 578 595 610 630 639 710 714 765 854 867 915 994 1037 1065 1071 1098 1190 1207 1278 1281 1445 1491 1530 1734 1785 1830 2023 2074 2130 2135 2142 2414 2485 2562 2601 2745 2890 2982 3111 3195 3570 3621 3843 4046 4270 4331 4335 4473 4913 4970 5185 5202 5355 5490 6035 6069 6222 6390 6405 7242 7259 7455 7686 8449 8662 8670 8946 9333 9826 10115 10370 10710 10863 12070 12138 12810 12993 13005 14518 14739 14910 15555 16898 17629 18105 18207 18666 19215 20230 20519 21655 21726 21777 22365 24565 25347 25986 26010 29478 30317 30345 31110 34391 35258 36210 36295 36414 38430 38979 41038 42245 43310 43554 44217 44730 46665 49130 50694 52887 54315 60634 60690 61557 64965 65331 68782 72590 73627 73695 76041 77958 84490 88145 88434 90951 91035 93330 102595 103173 105774 108630 108885 123114 123403 126735 129930 130662 143633 147254 147390 151585 152082 158661 171955 176290 181902 182070 184671 194895 205190 206346 217770 220881 221085 246806 253470 264435 272853 287266 299693 303170 307785 309519 317322 326655 343910 348823 368135 369342 370209 380205 389790 430899 441762 442170 454755 515389 515865 528870 545706 599386 615570 617015 619038 653310 662643 697646 718165 736270 740418 760410 793305 861798 899079 909510 923355 1030778 1031730 1046469 1104405 1110627 1234030 1251659 1292697 1325286 1364265 1436330 1498465 1546167 1547595 1586610 1744115 1798158 1846710 1851045 2092938 2097851 2154495 2208810 2221254 2441761 2503318 2576945 2585394 2697237 2728530 2996930 3092334 3095190 3139407 3313215 3488230 3702090 3754977 4195702 4308990 4495395 4638501 4883522 5153890 5232345 5394474 5553135 6258295 6278814 6293553 6463485 6626430 7325283 7509954 7730835 8761613 8990790 9277002 10464690 10489255 11106270 11264931 12208805 12516590 12587106 12926970 13486185 14650566 15461670 15697035 17523226 18774885 18880659 20978510 21278203 21975849 22529862 23192505 24417610 26284839 26972370 31394070 31467765 36626415 37549770 37761318 42556406 43808065 43951698 46385010 52569678 56324655 62935530 63834609 73252830 78854517 87616130 94403295 106391015 109879245 112649310 127669218 131424195 148947421 157709034 188806590 191503827 212782030 219758490 262848390 297894842 319173045 383007654 394272585 446842263 638346090 744737105 788545170 893684526 957519135 1340526789 1489474210 1915038270 2234211315 2681053578 4468422630 6702633945 13405267890
• Sum of all divisors σ(n): 43621493760
• Sum of proper divisors (its aliquot sum) s(n): 30216225870
• 13405267890 is an abundant number, because the sum of its proper divisors (30216225870) is greater than itself. Its abundance is 16810957980

Bases of 13405267890

• Binary: 1100011111000001000010011110110010₂
• Hexadecimal: 0x31F0427B2
• Base-36: 65P5EWI

Squares and roots of 13405267890

• 13405267890 squared (13405267890²) is 179701207202665052100
• 13405267890 cubed (13405267890³) is 2408942822708122545341307069000
• The square root of 13405267890 is 115781.1206112639
• The cube root of 13405267890 is 2375.5189493503

Scales and comparisons

• 13,405,267,890 seconds is equal to 426 years, 12 weeks, 5 days, 13 hours, 31 minutes, 30 seconds.
• To count from 1 to 13,405,267,890 would take you about eight hundred fifty-two 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 13405267890 cubic inches would be around 198 feet tall.

Recreational maths with 13405267890

• 13405267890 backwards is 09876250431
• 13405267890 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13405267890's digits is 45
• More coming soon!