13161223845

Names of 13161223845

• Cardinal: 13161223845 can be written as Thirteen billion, one hundred sixty-one million, two hundred twenty-three thousand, eight hundred forty-five.

Scientific notation

• Scientific notation: 1.3161223845 × 10¹⁰

Factors of 13161223845

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 55

Divisors of 13161223845

• Number of divisors d(n): 384
• Complete list of divisors:
  1 3 5 7 9 11 15 21 27 29 33 35 45 49 55 63 77 81 87 99 105 121 135 145 147 165 189 203 231 243 245 261 297 315 319 343 363 385 405 435 441 495 539 567 605 609 693 729 735 783 847 891 945 957 1015 1029 1089 1155 1215 1305 1323 1421 1485 1595 1617 1701 1715 1815 1827 2079 2187 2205 2233 2349 2541 2673 2695 2835 2871 3045 3087 3267 3465 3509 3645 3773 3915 3969 4235 4263 4455 4785 4851 5103 5145 5445 5481 5929 6237 6615 6699 7047 7105 7623 8019 8085 8505 8613 9135 9261 9801 9947 10395 10527 10935 11165 11319 11745 11907 12705 12789 13365 14355 14553 15309 15435 15631 16335 16443 17545 17787 18711 18865 19845 20097 21141 21315 22869 24057 24255 24563 25515 25839 27405 27783 29403 29645 29841 31185 31581 33495 33957 35235 35721 38115 38367 40095 41503 43065 43659 46305 46893 49005 49329 49735 52635 53361 56133 56595 59535 60291 63423 63945 68607 72765 73689 76545 77517 78155 82215 83349 88209 88935 89523 93555 94743 100485 101871 105705 107163 109417 114345 115101 120285 122815 124509 129195 130977 138915 140679 147015 147987 149205 157905 160083 168399 169785 171941 178605 180873 191835 205821 207515 218295 221067 232551 234465 246645 250047 264627 266805 268569 280665 284229 301455 305613 317115 328251 343035 345303 368445 373527 387585 392931 416745 422037 441045 443961 447615 473715 480249 509355 515823 535815 542619 547085 575505 617463 622545 654885 663201 697653 703395 739935 750141 800415 805707 841995 852687 859705 904365 916839 984753 1029105 1035909 1105335 1120581 1162755 1178793 1203587 1250235 1266111 1323135 1342845 1421145 1440747 1528065 1547469 1627857 1641255 1726515 1852389 1867635 1964655 1989603 2110185 2219805 2401245 2417121 2558061 2579115 2713095 2750517 2954259 3087315 3107727 3316005 3361743 3488265 3610761 3750705 3798333 4028535 4263435 4322241 4584195 4642407 4883571 4923765 5179545 5602905 5893965 5968809 6017935 6330555 7203735 7251363 7674183 7737345 8139285 8251551 8862777 9261945 9948015 10085229 10832283 11394999 12085605 12790305 12966723 13752585 13927221 14771295 15538635 16808715 17906427 18053805 18991665 21611205 21754089 23212035 24417855 26588331 29844045 30255687 32496849 34184997 36256815 38370915 41257755 41781663 44313885 50426145 53719281 54161415 56974995 64833615 69636105 79764993 89532135 90767061 97490547 108770445 125344989 132941655 151278435 162484245 170924985 208908315 239294979 268596405 292471641 376034967 398824965 453835305 487452735 626724945 877414923 1196474895 1462358205 1880174835 2632244769 4387074615 13161223845
• Sum of all divisors σ(n): 31409280000
• Sum of proper divisors (its aliquot sum) s(n): 18248056155
• 13161223845 is an abundant number, because the sum of its proper divisors (18248056155) is greater than itself. Its abundance is 5086832310

Bases of 13161223845

• Binary: 1100010000011110000101011010100101₂
• Hexadecimal: 0x3107856A5
• Base-36: 61NUPB9

Squares and roots of 13161223845

• 13161223845 squared (13161223845²) is 173217813098196584025
• 13161223845 cubed (13161223845³) is 2279758412126738208167376076125
• The square root of 13161223845 is 114722.3772635487
• The cube root of 13161223845 is 2361.0150668511

Scales and comparisons

• 13,161,223,845 seconds is equal to 418 years, 25 weeks, 1 day, 23 hours, 30 minutes, 45 seconds.
• To count from 1 to 13,161,223,845 would take you about eight hundred thirty-six 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 13161223845 cubic inches would be around 196.8 feet tall.

Recreational maths with 13161223845

• 13161223845 backwards is 54832216131
• The number of decimal digits it has is: 11
• The sum of 13161223845's digits is 36
• More coming soon!