138869658648

Names of 138869658648

• Cardinal: 138869658648 can be written as One hundred thirty-eight billion, eight hundred sixty-nine million, six hundred fifty-eight thousand, six hundred forty-eight.

Scientific notation

• Scientific notation: 1.38869658648 × 10¹¹

Factors of 138869658648

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1965

Divisors of 138869658648

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 31 36 42 56 62 63 72 84 93 124 126 163 168 186 217 248 252 279 326 372 434 489 504 558 651 652 744 868 961 978 1116 1141 1302 1304 1467 1736 1759 1922 1953 1956 2232 2282 2604 2883 2934 3423 3518 3844 3906 3912 4564 5053 5208 5277 5766 5868 6727 6846 7036 7688 7812 8649 9128 10106 10269 10554 11532 11736 12313 13454 13692 14072 15159 15624 15831 17298 20181 20212 20538 21108 23064 24626 26908 27384 30318 31662 34596 35371 36939 40362 40424 41076 42216 45477 49252 53816 54529 60543 60636 63324 69192 70742 73878 80724 82152 90954 98504 106113 109058 110817 121086 121272 126648 141484 147756 156643 161448 163587 181908 212226 218116 221634 242172 282968 286717 295512 313286 318339 327174 363816 381703 424452 436232 443268 469929 484344 490761 573434 626572 636678 654348 763406 848904 860151 886536 939858 981522 1096501 1145109 1146868 1253144 1273356 1308696 1409787 1526812 1690399 1720302 1879716 1963044 2007019 2193002 2290218 2293736 2546712 2580453 2819574 3053624 3289503 3380798 3435327 3440604 3759432 3926088 4014038 4386004 4580436 5071197 5160906 5639148 6021057 6579006 6761596 6870654 6881208 8028076 8772008 8888227 9160872 9868509 10142394 10321812 11278296 11832793 12042114 13158012 13523192 13741308 15213591 16056152 17776454 18063171 19737018 20284788 20643624 23665586 24084228 26316024 26664681 27482616 30427182 35498379 35552908 36126342 39474036 40569576 47331172 48168456 53329362 60854364 62217589 70996758 71105816 72252684 78948072 79994043 94662344 106495137 106658724 121708728 124435178 141993516 144505368 159988086 186652767 212990274 213317448 248870356 275535037 283987032 319976172 373305534 425980548 497740712 551070074 559958301 639952344 746611068 826605111 851961096 1102140148 1119916602 1493222136 1653210222 1928745259 2204280296 2239833204 2479815333 3306420444 3857490518 4479666408 4959630666 5786235777 6612840888 7714981036 9919261332 11572471554 15429962072 17358707331 19838522664 23144943108 34717414662 46289886216 69434829324 138869658648
• Sum of all divisors σ(n): 447126451200
• Sum of proper divisors (its aliquot sum) s(n): 308256792552
• 138869658648 is an abundant number, because the sum of its proper divisors (308256792552) is greater than itself. Its abundance is 169387133904

Bases of 138869658648

• Binary: 10000001010101010001101101010000011000₂
• Hexadecimal: 0x205546D418
• Base-36: 1RSNEQE0

Squares and roots of 138869658648

• 138869658648 squared (138869658648²) is 19284782093012041187904
• 138869658648 cubed (138869658648³) is 2678071106357645145917944906593792
• The square root of 138869658648 is 372652.1952813373
• The cube root of 138869658648 is 5178.4818209063

Scales and comparisons

• 138,869,658,648 seconds is equal to 4,415 years, 32 weeks, 3 days, 17 hours, 10 minutes, 48 seconds.
• To count from 1 to 138,869,658,648 would take you about eight thousand, eight hundred thirty-one 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 138869658648 cubic inches would be around 431.5 feet tall.

Recreational maths with 138869658648

• 138869658648 backwards is 846856968831
• 138869658648 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138869658648's digits is 72
• More coming soon!