138953889648

Names of 138953889648

• Cardinal: 138953889648 can be written as One hundred thirty-eight billion, nine hundred fifty-three million, eight hundred eighty-nine thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.38953889648 × 10¹¹

Factors of 138953889648

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 270

Divisors of 138953889648

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 59 63 72 84 112 118 126 144 168 177 199 236 252 336 354 398 413 472 504 531 597 708 796 826 944 1008 1062 1194 1239 1393 1416 1592 1652 1791 2124 2388 2478 2786 2832 3184 3304 3481 3582 3717 4179 4248 4776 4956 5572 6608 6962 7164 7434 8358 8496 9552 9912 10443 11144 11741 12537 13924 14328 14868 16716 19824 20886 22288 23482 24367 25074 27848 28656 29736 31329 33432 35223 39601 41772 46964 48734 50148 55696 59472 62658 66864 70446 73101 79202 82187 83544 93928 97468 100296 105669 118803 125316 140892 146202 158404 164374 167088 187856 194936 200592 211338 219303 237606 246561 250632 277207 281784 292404 316808 328748 356409 389872 422676 438606 475212 493122 501264 554414 563568 584808 633616 657496 692719 712818 739683 831621 845352 877212 950424 986244 1108828 1169616 1314992 1385438 1425636 1479366 1663242 1690704 1754424 1900848 1972488 2078157 2217656 2336459 2494863 2770876 2851272 2958732 3326484 3508848 3944976 4156314 4435312 4672918 4849033 4989726 5541752 5702544 5917464 6234471 6652968 7009377 8312628 9345836 9698066 9979452 11083504 11834928 12468942 13305936 14018754 14547099 16355213 16625256 18691672 19396132 19958904 21028131 24937884 28037508 29094198 32710426 33250512 37383344 38792264 39917808 42056262 43641297 49065639 49875768 56075016 58188396 65420852 77584528 84112524 87282594 98131278 99751536 112150032 116376792 130841704 137851081 147196917 168225048 174565188 196262556 232753584 261683408 275702162 294393834 336450096 349130376 392525112 413553243 551404324 588787668 698260752 785050224 827106486 964957567 1102808648 1177575336 1240659729 1654212972 1929915134 2205617296 2355150672 2481319458 2894872701 3308425944 3859830268 4962638916 5789745402 6616851888 7719660536 8684618103 9925277832 11579490804 15439321072 17369236206 19850555664 23158981608 34738472412 46317963216 69476944824 138953889648
• Sum of all divisors σ(n): 454375539384
• Sum of proper divisors (its aliquot sum) s(n): 315421649736
• 138953889648 is an abundant number, because the sum of its proper divisors (315421649736) is greater than itself. Its abundance is 176467760088

Bases of 138953889648

• Binary: 10000001011010010011000001011101110000₂
• Hexadecimal: 0x205A4C1770
• Base-36: 1RU1K3G0

Squares and roots of 138953889648

• 138953889648 squared (138953889648²) is 19308183448308561563904
• 138953889648 cubed (138953889648³) is 2682947192179607975804330716065792
• The square root of 138953889648 is 372765.1937185123
• The cube root of 138953889648 is 5179.5286071433

Scales and comparisons

• 138,953,889,648 seconds is equal to 4,418 years, 15 weeks, 5 days, 14 hours, 40 minutes, 48 seconds.
• To count from 1 to 138,953,889,648 would take you about eight thousand, eight hundred thirty-six 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 138953889648 cubic inches would be around 431.6 feet tall.

Recreational maths with 138953889648

• 138953889648 backwards is 846988359831
• 138953889648 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138953889648's digits is 72
• More coming soon!