668161167016

Names of 668161167016

• Cardinal: 668161167016 can be written as Six hundred sixty-eight billion, one hundred sixty-one million, one hundred sixty-seven thousand and sixteen.

Scientific notation

• Scientific notation: 6.68161167016 × 10¹¹

Factors of 668161167016

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 169

Divisors of 668161167016

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 14 28 49 53 56 98 106 107 196 212 214 371 392 424 428 742 749 856 1484 1498 2597 2809 2968 2996 5194 5243 5618 5671 5992 10388 10486 11236 11342 11449 19663 20776 20972 22472 22684 22898 39326 39697 41944 45368 45796 78652 79394 80143 91592 137641 148877 157304 158788 160286 275282 277879 297754 300563 317576 320572 550564 555758 561001 595508 601126 606797 641144 1042139 1101128 1111516 1122002 1191016 1202252 1213594 2084278 2103941 2223032 2244004 2404504 2427188 4168556 4207882 4247579 4488008 4854376 7294973 8337112 8415764 8495158 14589946 14727587 15929839 16831528 16990316 29179892 29455174 29733053 31859678 32160241 33980632 58359784 58910348 59466106 63719356 64320482 111508873 117820696 118932212 127438712 128640964 223017746 225121687 237864424 257281928 446035492 450243374 780562111 892070984 900486748 1561124222 1575851809 1704492773 1800973496 3122248444 3151703618 3408985546 6244496888 6303407236 6817971092 11931449411 12606814472 13635942184 23862898822 47725797644 83520145877 95451595288 167040291754 334080583508 668161167016
• Sum of all divisors σ(n): 1499378598900
• Sum of proper divisors (its aliquot sum) s(n): 831217431884
• 668161167016 is an abundant number, because the sum of its proper divisors (831217431884) is greater than itself. Its abundance is 163056264868

Bases of 668161167016

• Binary: 1001101110010001100000100100111010101000₂
• Hexadecimal: 0x9B91824EA8
• Base-36: 8IY5WO14

Squares and roots of 668161167016

• 668161167016 squared (668161167016²) is 446439345108183046344256
• 668161167016 cubed (668161167016³) is 298293433829342355016724101448260096
• The square root of 668161167016 is 817411.2594135219
• The cube root of 668161167016 is 8742.3276070545

Scales and comparisons

• 668,161,167,016 seconds is equal to 21,245 years, 23 weeks, 5 days, 20 hours, 10 minutes, 16 seconds.
• To count from 1 to 668,161,167,016 would take you about forty-two thousand, four hundred ninety 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 668161167016 cubic inches would be around 728.5 feet tall.

Recreational maths with 668161167016

• 668161167016 backwards is 610761161866
• 668161167016 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 668161167016's digits is 49
• More coming soon!