138247845768

Names of 138247845768

• Cardinal: 138247845768 can be written as One hundred thirty-eight billion, two hundred forty-seven million, eight hundred forty-five thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 1.38247845768 × 10¹¹

Factors of 138247845768

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 156

Divisors of 138247845768

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 31 36 37 54 62 72 74 81 83 93 108 111 124 148 162 166 186 216 222 243 248 249 279 296 324 332 333 372 444 486 498 558 648 664 666 729 744 747 837 888 972 996 999 1116 1147 1332 1458 1494 1674 1944 1992 1998 2187 2232 2241 2294 2511 2573 2664 2916 2988 2997 3071 3348 3441 3996 4374 4482 4588 5022 5146 5832 5976 5994 6142 6696 6723 6882 6889 7533 7719 7992 8748 8964 8991 9176 9213 10044 10292 10323 11988 12284 13446 13764 13778 15066 15438 17496 17928 17982 18426 20088 20169 20584 20646 20667 22599 23157 23976 24568 26892 26973 27528 27556 27639 30132 30876 30969 35964 36852 40338 41292 41334 45198 46314 53784 53946 55112 55278 60264 60507 61752 61938 62001 67797 69471 71928 73704 80676 80919 82584 82668 82917 90396 92628 92907 95201 107892 110556 121014 123876 124002 135594 138942 161352 161838 165336 165834 180792 181521 185256 185814 186003 190402 208413 213559 215784 221112 242028 247752 248004 248751 254893 271188 277884 278721 285603 323676 331668 363042 371628 372006 380804 416826 427118 484056 496008 497502 509786 542376 555768 557442 558009 571206 625239 640677 647352 663336 726084 743256 744012 746253 761608 764679 833652 836163 854236 856809 995004 1019572 1114884 1116018 1142412 1250478 1281354 1452168 1488024 1492506 1529358 1667304 1672326 1674027 1708472 1713618 1875717 1922031 1990008 2039144 2229768 2232036 2238759 2284824 2294037 2500956 2508489 2562708 2570427 2985012 3058716 3344652 3348054 3427236 3751434 3844062 4464072 4477518 4588074 5001912 5016978 5022081 5125416 5140854 5627151 5766093 5970024 6117432 6689304 6696108 6716277 6854472 6882111 7502868 7688124 7711281 7901683 8955036 9176148 10033956 10044162 10281708 11254302 11532186 13392216 13432554 13764222 15005736 15066243 15376248 15422562 15803366 17298279 17910072 18352296 20067912 20088324 20563416 20646333 22508604 23064372 23133843 23705049 26865108 27528444 30132486 30845124 31606732 34596558 40176648 41292666 45017208 46128744 46267686 47410098 51894837 53730216 55056888 60264972 61690248 61938999 63213464 69193116 69401529 71115147 82585332 92535372 94820196 103789674 120529944 123877998 138386232 138803058 142230294 155684511 165170664 185070744 185816997 189640392 207579348 208204587 213345441 247755996 277606116 284460588 311369022 371633994 415158696 416409174 426690882 467053533 495511992 555212232 557450991 568921176 622738044 640036323 743267988 832818348 853381764 934107066 1114901982 1245476088 1280072646 1486535976 1665636696 1706763528 1868214132 1920108969 2229803964 2560145292 3736428264 3840217938 4459607928 5120290584 5760326907 7680435876 11520653814 15360871752 17280980721 23041307628 34561961442 46082615256 69123922884 138247845768
• Sum of all divisors σ(n): 417175065600
• Sum of proper divisors (its aliquot sum) s(n): 278927219832
• 138247845768 is an abundant number, because the sum of its proper divisors (278927219832) is greater than itself. Its abundance is 140679374064

Bases of 138247845768

• Binary: 10000000110000001101101011011110001000₂
• Hexadecimal: 0x203036B788
• Base-36: 1RID74I0

Squares and roots of 138247845768

• 138247845768 squared (138247845768²) is 19112466859492715509824
• 138247845768 cubed (138247845768³) is 2642257370637160260521649840824832
• The square root of 138247845768 is 371816.9519642697
• The cube root of 138247845768 is 5170.7410736401

Scales and comparisons

• 138,247,845,768 seconds is equal to 4,395 years, 44 weeks, 2 days, 19 hours, 22 minutes, 48 seconds.
• To count from 1 to 138,247,845,768 would take you about eight thousand, seven hundred ninety-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 138247845768 cubic inches would be around 430.9 feet tall.

Recreational maths with 138247845768

• 138247845768 backwards is 867548742831
• The number of decimal digits it has is: 12
• The sum of 138247845768's digits is 63
• More coming soon!