138571297128

Names of 138571297128

• Cardinal: 138571297128 can be written as One hundred thirty-eight billion, five hundred seventy-one million, two hundred ninety-seven thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 1.38571297128 × 10¹¹

Factors of 138571297128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1118

Divisors of 138571297128

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 18 22 24 27 33 36 44 53 54 66 72 88 99 106 108 132 159 198 212 216 264 297 318 396 424 477 583 594 636 792 954 1049 1166 1188 1272 1431 1749 1908 2098 2332 2376 2862 3147 3498 3816 4196 4664 5247 5724 6294 6996 8392 9441 10494 11448 11539 12588 13992 15741 18882 20988 23078 25176 28323 31482 34617 37764 41976 46156 55597 56646 62964 69234 75528 92312 103851 111194 113292 125928 138468 166791 207702 222388 226584 276936 311553 333582 415404 444776 500373 611567 623106 667164 830808 1000746 1100401 1223134 1246212 1334328 1501119 1834701 2001492 2200802 2446268 2492424 3002238 3301203 3669402 4002984 4401604 4892536 5504103 6004476 6602406 7338804 8803208 9903609 11008206 12008952 12104411 13204812 14677608 16512309 19807218 22016412 24208822 26409624 29710827 33024618 36313233 39614436 44032824 48417644 58321253 59421654 66049236 72626466 79228872 96835288 108939699 116642506 118843308 132098472 145252932 174963759 217879398 233285012 237686616 290505864 326819097 349927518 435758796 466570024 524891277 641533783 653638194 699855036 871517592 1049782554 1283067566 1307276388 1399710072 1574673831 1924601349 2099565108 2566135132 2614552776 3149347662 3849202698 4199130216 5132270264 5773804047 6298695324 7698405396 11547608094 12597390648 15396810792 17321412141 23095216188 34642824282 46190432376 69285648564 138571297128
• Sum of all divisors σ(n): 428244148800
• Sum of proper divisors (its aliquot sum) s(n): 289672851672
• 138571297128 is an abundant number, because the sum of its proper divisors (289672851672) is greater than itself. Its abundance is 151101554544

Bases of 138571297128

• Binary: 10000001000011011111100011000101101000₂
• Hexadecimal: 0x20437E3168
• Base-36: 1RNPRT60

Squares and roots of 138571297128

• 138571297128 squared (138571297128²) is 19202004387736461048384
• 138571297128 cubed (138571297128³) is 2660846655466188863294817648241152
• The square root of 138571297128 is 372251.6583280725
• The cube root of 138571297128 is 5174.7705049247

Scales and comparisons

• 138,571,297,128 seconds is equal to 4,406 years, 7 weeks, 1 day, 10 hours, 58 minutes, 48 seconds.
• To count from 1 to 138,571,297,128 would take you about eight thousand, eight hundred twelve 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 138571297128 cubic inches would be around 431.2 feet tall.

Recreational maths with 138571297128

• 138571297128 backwards is 821792175831
• 138571297128 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138571297128's digits is 54
• More coming soon!