163494731972

Names of 163494731972

• Cardinal: 163494731972 can be written as One hundred sixty-three billion, four hundred ninety-four million, seven hundred thirty-one thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 1.63494731972 × 10¹¹

Factors of 163494731972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 659

Divisors of 163494731972

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 11 13 22 26 31 44 52 62 121 124 143 181 242 286 341 362 403 421 484 572 682 724 806 842 1331 1364 1573 1612 1684 1991 2353 2662 3146 3751 3982 4433 4631 4706 5324 5473 5611 6292 7502 7964 8866 9262 9412 10946 11222 13051 15004 17303 17732 18524 21892 21901 22444 25883 26102 34606 41261 43802 48763 50941 51766 52204 60203 61721 69212 72943 76201 82522 87604 97526 101882 103532 120406 123442 143561 145886 152402 165044 169663 195052 203764 240812 240911 246884 284713 287122 291772 304804 339326 481822 536393 560351 569426 574244 662233 678652 678931 802373 838211 963644 990613 1072786 1120702 1138852 1324466 1357862 1579171 1604746 1676422 1866293 1981226 2145572 2241404 2362231 2648932 2715724 3131843 3158342 3209492 3352844 3732586 3962452 4724462 6263686 6316684 7284563 7465172 7468241 8826103 9220321 9448924 10896743 12527372 14569126 14936482 17370881 17652206 18440642 20529223 21793486 25984541 29138252 29872964 30709003 34741762 35304412 36881284 41058446 43586972 51969082 61418006 69483524 82116892 97087133 101423531 103938164 119864173 122836012 194174266 202847062 225821453 239728346 285829951 337799033 388348532 405694124 451642906 479456692 571659902 675598066 903285812 1143319804 1318505903 1351196132 2637011806 3144129461 3715789363 5274023612 6288258922 7431578726 12576517844 14863157452 40873682993 81747365986 163494731972
• Sum of all divisors σ(n): 352615151616
• Sum of proper divisors (its aliquot sum) s(n): 189120419644
• 163494731972 is an abundant number, because the sum of its proper divisors (189120419644) is greater than itself. Its abundance is 25625687672

Bases of 163494731972

• Binary: 10011000010001000010111010000011000100₂
• Hexadecimal: 0x26110BA0C4
• Base-36: 233WJIKK

Squares and roots of 163494731972

• 163494731972 squared (163494731972²) is 26730527382596119008784
• 163494731972 cubed (163494731972³) is 4370300409887759174868554393642048
• The square root of 163494731972 is 404344.8181589569
• The cube root of 163494731972 is 5468.0765760091

Scales and comparisons

• 163,494,731,972 seconds is equal to 5,198 years, 32 weeks, 4 days, 3 hours, 19 minutes, 32 seconds.
• To count from 1 to 163,494,731,972 would take you about ten thousand, three hundred ninety-seven 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 163494731972 cubic inches would be around 455.7 feet tall.

Recreational maths with 163494731972

• 163494731972 backwards is 279137494361
• The number of decimal digits it has is: 12
• The sum of 163494731972's digits is 56
• More coming soon!