138021015792

Names of 138021015792

• Cardinal: 138021015792 can be written as One hundred thirty-eight billion, twenty-one million, fifteen thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 1.38021015792 × 10¹¹

Factors of 138021015792

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 581

Divisors of 138021015792

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 31 33 44 48 62 66 88 93 121 124 132 176 186 227 242 248 264 307 341 363 372 454 484 496 528 614 681 682 726 744 908 921 968 1023 1228 1331 1362 1364 1452 1488 1816 1842 1936 2046 2456 2497 2662 2724 2728 2904 3377 3632 3684 3751 3993 4092 4912 4994 5324 5448 5456 5808 6754 7037 7368 7491 7502 7986 8184 9517 9988 10131 10648 10896 11253 13508 14074 14736 14982 15004 15972 16368 19034 19976 20262 21111 21296 22506 27016 27467 28148 28551 29964 30008 31944 37147 38068 39952 40524 41261 42222 45012 54032 54934 56296 57102 59928 60016 63888 69689 74294 76136 77407 81048 82401 82522 84444 90024 104687 109868 111441 112592 114204 119856 123783 139378 148588 152272 154814 162096 164802 165044 168888 180048 209067 209374 219736 222882 228408 232221 247566 278756 297176 302137 309628 314061 329604 330088 337776 408617 418134 418748 439472 445764 456816 464442 495132 557512 594352 604274 619256 628122 659208 660176 766579 817234 836268 837496 851477 891528 906411 928884 990264 1115024 1151557 1208548 1225851 1238512 1256244 1318416 1533158 1634468 1672536 1674992 1702954 1783056 1812822 1857768 1980528 2160359 2299737 2303114 2417096 2451702 2512488 2554431 3066316 3268936 3345072 3405908 3454671 3625644 3715536 4320718 4599474 4606228 4834192 4903404 5024976 5108862 6132632 6481077 6537872 6811816 6909342 7251288 8432369 8641436 9198948 9212456 9366247 9806808 10217724 12265264 12667127 12962154 13623632 13818684 14502576 16864738 17282872 18397896 18424912 18732494 19613616 20435448 23763949 25297107 25334254 25924308 27637368 28098741 33729476 34565744 36795792 37464988 38001381 40870896 47527898 50594214 50668508 51848616 55274736 56197482 67458952 71291847 74929976 76002762 92756059 95055796 101188428 101337016 103697232 112394964 134917904 142583694 149859952 152005524 185512118 190111592 202376856 202674032 224789928 261403439 278268177 285167388 304011048 371024236 380223184 404753712 449579856 522806878 556536354 570334776 608022096 742048472 784210317 1045613756 1113072708 1140669552 1484096944 1568420634 2091227512 2226145416 2875437829 3136841268 4182455024 4452290832 5750875658 6273682536 8626313487 11501751316 12547365072 17252626974 23003502632 34505253948 46007005264 69010507896 138021015792
• Sum of all divisors σ(n): 407941890048
• Sum of proper divisors (its aliquot sum) s(n): 269920874256
• 138021015792 is an abundant number, because the sum of its proper divisors (269920874256) is greater than itself. Its abundance is 131899858464

Bases of 138021015792

• Binary: 10000000100010101100011001000011110000₂
• Hexadecimal: 0x2022B190F0
• Base-36: 1REM5DDC

Squares and roots of 138021015792

• 138021015792 squared (138021015792²) is 19049800800255513387264
• 138021015792 cubed (138021015792³) is 2629272857086520450858631955673088
• The square root of 138021015792 is 371511.7976484731
• The cube root of 138021015792 is 5167.9115633041

Scales and comparisons

• 138,021,015,792 seconds is equal to 4,388 years, 33 weeks, 2 days, 11 hours, 3 minutes, 12 seconds.
• To count from 1 to 138,021,015,792 would take you about eight thousand, seven hundred seventy-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 138021015792 cubic inches would be around 430.7 feet tall.

Recreational maths with 138021015792

• 138021015792 backwards is 297510120831
• The number of decimal digits it has is: 12
• The sum of 138021015792's digits is 39
• More coming soon!