138174207808

Names of 138174207808

• Cardinal: 138174207808 can be written as One hundred thirty-eight billion, one hundred seventy-four million, two hundred seven thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.38174207808 × 10¹¹

Factors of 138174207808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 285

Divisors of 138174207808

• Number of divisors d(n): 210
• Complete list of divisors:
  1 2 4 7 8 13 14 16 26 28 32 49 52 56 64 91 98 104 112 182 196 208 224 263 343 364 392 416 448 526 637 686 728 784 832 1052 1274 1372 1456 1568 1841 2104 2401 2548 2744 2912 3136 3419 3682 4208 4459 4802 5096 5488 5824 6838 7364 8416 8918 9604 10192 10976 12887 13676 14728 16832 17836 19208 20384 21952 23933 25774 27352 29456 31213 35672 38416 40768 47866 51548 54704 58912 62426 69169 71344 76832 90209 95732 103096 109408 117824 124852 138338 142688 153664 167531 180418 191464 206192 218816 249704 276676 285376 335062 360836 382928 412384 484183 499408 553352 631463 670124 721672 765856 824768 899197 968366 998816 1106704 1172717 1262926 1340248 1443344 1531712 1798394 1936732 1997632 2213408 2345434 2525852 2680496 2886688 3389281 3596788 3873464 4426816 4690868 5051704 5360992 5773376 6294379 6778562 7193576 7746928 8209019 9381736 10103408 10721984 12588758 13557124 14387152 15493856 16418038 18763472 20206816 23724967 25177516 27114248 28774304 30987712 32836076 37526944 40413632 44060653 47449934 50355032 54228496 57548608 65672152 75053888 88121306 94899868 100710064 108456992 131344304 166074769 176242612 189799736 201420128 216913984 262688608 308424571 332149538 352485224 379599472 402840256 525377216 616849142 664299076 704970448 759198944 1233698284 1328598152 1409940896 1518397888 2158971997 2467396568 2657196304 2819881792 4317943994 4934793136 5314392608 8635887988 9869586272 10628785216 17271775976 19739172544 34543551952 69087103904 138174207808
• Sum of all divisors σ(n): 345788699074
• Sum of proper divisors (its aliquot sum) s(n): 207614491266
• 138174207808 is an abundant number, because the sum of its proper divisors (207614491266) is greater than itself. Its abundance is 69440283458

Bases of 138174207808

• Binary: 10000000101011110100110001011101000000₂
• Hexadecimal: 0x202BD31740
• Base-36: 1RH5CT34

Squares and roots of 138174207808

• 138174207808 squared (138174207808²) is 19092111703368368164864
• 138174207808 cubed (138174207808³) is 2638037409994769756385769940058112
• The square root of 138174207808 is 371717.9142952355
• The cube root of 138174207808 is 5169.8228424567

Scales and comparisons

• 138,174,207,808 seconds is equal to 4,393 years, 26 weeks, 4 days, 12 hours, 23 minutes, 28 seconds.
• To count from 1 to 138,174,207,808 would take you about eight thousand, seven hundred eighty-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 138174207808 cubic inches would be around 430.8 feet tall.

Recreational maths with 138174207808

• 138174207808 backwards is 808702471831
• 138174207808 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138174207808's digits is 49
• More coming soon!