39945993984

Names of 39945993984

• Cardinal: 39945993984 can be written as Thirty-nine billion, nine hundred forty-five million, nine hundred ninety-three thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 3.9945993984 × 10¹⁰

Factors of 39945993984

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4183

Divisors of 39945993984

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 19 24 26 32 34 36 38 39 48 51 52 57 64 68 72 76 78 96 102 104 114 117 128 136 144 152 153 156 171 192 204 208 221 228 234 247 256 272 288 304 306 312 323 342 384 408 416 442 456 468 494 544 576 608 612 624 646 663 684 741 768 816 832 884 912 936 969 988 1088 1152 1216 1224 1248 1292 1326 1368 1482 1632 1664 1768 1824 1872 1938 1976 1989 2176 2223 2304 2432 2448 2496 2584 2652 2736 2907 2964 3264 3328 3536 3648 3744 3876 3952 3978 4129 4199 4352 4446 4864 4896 4992 5168 5304 5472 5814 5928 6528 7072 7296 7488 7752 7904 7956 8258 8398 8892 9792 9984 10336 10608 10944 11628 11856 12387 12597 13056 14144 14592 14976 15504 15808 15912 16516 16796 17784 19584 20672 21216 21888 23256 23712 24774 25194 28288 29952 31008 31616 31824 33032 33592 35568 37161 37791 39168 41344 42432 43776 46512 47424 49548 50388 53677 56576 62016 63232 63648 66064 67184 70193 71136 74322 75582 78451 82688 84864 93024 94848 99096 100776 107354 124032 127296 132128 134368 140386 142272 148644 151164 156902 161031 169728 186048 189696 198192 201552 210579 214708 235353 248064 254592 264256 268736 280772 284544 297288 302328 313804 322062 372096 396384 403104 421158 429416 470706 483093 509184 528512 537472 561544 569088 594576 604656 627608 631737 644124 706059 744192 792768 806208 842316 858832 912509 941412 966186 1019863 1057024 1074944 1123088 1189152 1209312 1255216 1263474 1288248 1333667 1412118 1585536 1612416 1684632 1717664 1825018 1882824 1932372 2039726 2246176 2378304 2418624 2510432 2526948 2576496 2667334 2737527 2824236 3059589 3171072 3224832 3369264 3435328 3650036 3765648 3864744 4001001 4079452 4492352 4756608 4837248 5020864 5053896 5152992 5334668 5475054 5648472 6119178 6738528 6870656 7300072 7531296 7729488 8002002 8158904 8212581 8984704 9178767 9513216 9674496 10041728 10107792 10305984 10669336 10950108 11296944 12003003 12238356 13477056 13741312 14600144 15062592 15458976 16004004 16317808 16425162 17337671 17969408 18357534 20083456 20215584 20611968 21338672 21900216 22593888 24006006 24476712 26954112 29200288 30125184 30917952 32008008 32635616 32850324 34675342 36715068 40431168 41223936 42677344 43800432 45187776 48012012 48953424 52013013 53908224 58400576 60250368 61835904 64016016 65271232 65700648 69350684 73430136 80862336 85354688 87600864 90375552 96024024 97906848 104026026 116801152 123671808 128032032 130542464 131401296 138701368 146860272 156039039 161724672 170709376 175201728 180751104 192048048 195813696 208052052 233602304 256064064 261084928 262802592 277402736 293720544 312078078 341418752 350403456 384096096 391627392 416104104 512128128 525605184 554805472 587441088 624156156 700806912 768192192 783254784 832208208 1024256256 1051210368 1109610944 1174882176 1248312312 1536384384 1664416416 2102420736 2219221888 2349764352 2496624624 3072768768 3328832832 4438443776 4993249248 6657665664 9986498496 13315331328 19972996992 39945993984
• Sum of all divisors σ(n): 138275373600
• Sum of proper divisors (its aliquot sum) s(n): 98329379616
• 39945993984 is an abundant number, because the sum of its proper divisors (98329379616) is greater than itself. Its abundance is 58383385632

Bases of 39945993984

• Binary: 100101001100111101110111111100000000₂
• Hexadecimal: 0x94CF77F00
• Base-36: ICMTA80

Squares and roots of 39945993984

• 39945993984 squared (39945993984²) is 1595682435369764192256
• 39945993984 cubed (39945993984³) is 63741120963655069239356795387904
• The square root of 39945993984 is 199864.9393565565
• The cube root of 39945993984 is 3418.4120503331

Scales and comparisons

• 39,945,993,984 seconds is equal to 1,270 years, 8 weeks, 1 day, 21 hours, 26 minutes, 24 seconds.
• To count from 1 to 39,945,993,984 would take you about two thousand, five hundred forty 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 39945993984 cubic inches would be around 284.9 feet tall.

Recreational maths with 39945993984

• 39945993984 backwards is 48939954993
• 39945993984 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 39945993984's digits is 72
• More coming soon!