3978438856672

Names of 3978438856672

• Cardinal: 3978438856672 can be written as Three trillion, nine hundred seventy-eight billion, four hundred thirty-eight million, eight hundred fifty-six thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 3.978438856672 × 10¹²

Factors of 3978438856672

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 63

Divisors of 3978438856672

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 7 8 14 16 23 28 31 32 46 49 56 62 92 98 112 124 161 184 196 217 224 248 322 343 368 392 434 496 529 644 686 713 736 784 868 961 992 1058 1127 1288 1372 1426 1519 1568 1736 1922 2116 2254 2576 2744 2852 3038 3472 3703 3844 4232 4508 4991 5152 5488 5704 6076 6727 6944 7406 7688 7889 8464 9016 9982 10633 10976 11408 12152 12167 13454 14812 15376 15778 16399 16928 18032 19964 21266 22103 22816 24304 24334 25921 26908 29624 29791 30752 31556 32798 34937 36064 39928 42532 44206 47089 48608 48668 51842 53816 59248 59582 63112 65596 69874 79856 85064 85169 88412 94178 97336 103684 107632 114793 118496 119164 126224 131192 139748 154721 159712 170128 170338 176824 181447 188356 194672 207368 208537 215264 229586 238328 244559 252448 262384 279496 309442 329623 340256 340676 353648 362894 376712 377177 389344 414736 417074 459172 476656 489118 508369 524768 558992 596183 618884 659246 681352 685193 707296 725788 753424 754354 803551 829472 834148 918344 953312 978236 1016738 1083047 1117984 1192366 1237768 1318492 1362704 1370386 1451576 1459759 1506848 1508708 1607102 1668296 1836688 1956472 2033476 2166094 2384732 2475536 2636984 2640239 2725408 2740772 2903152 2919518 3017416 3214204 3336592 3558583 3673376 3912944 4066952 4173281 4332188 4769464 4796351 4951072 5273968 5280478 5481544 5624857 5806304 5839036 6034832 6428408 6673184 7117166 7581329 7825888 8133904 8346562 8664376 9538928 9592702 10218313 10547936 10560956 10963088 11249714 11678072 11692487 12069664 12856816 14234332 15162658 15759439 16267808 16693124 17328752 18481673 19077856 19185404 20436626 21121912 21926176 22499428 23356144 23384974 24910081 25713632 28468664 30325316 31518878 33386248 33574457 34657504 36963346 38370808 40873252 42243824 44998856 46712288 46769948 49820162 56937328 60650632 63037756 66772496 67148914 73926692 76741616 81746504 81847409 84487648 89997712 93539896 99640324 110316073 113874656 121301264 126075512 129371711 133544992 134297828 147853384 153483232 163493008 163694818 174370567 179995424 187079792 199280648 220632146 235021199 242602528 252151024 258743422 268595656 295706768 326986016 327389636 348741134 362467097 374159584 398561296 441264292 470042398 504302048 517486844 537191312 572931863 591413536 654779272 697482268 724934194 772212511 797122592 882528584 940084796 1034973688 1074382624 1145863726 1309558544 1394964536 1449868388 1544425022 1765057168 1880169592 2069947376 2291727452 2537269679 2619117088 2789929072 2899736776 3088850044 3530114336 3760339184 4010523041 4139894752 4583454904 5074539358 5405487577 5579858144 5799473552 6177700088 7520678368 8021046082 9166909808 10149078716 10810975154 11598947104 12355400176 16042092164 17760887753 18333819616 20298157432 21621950308 24710800352 32084184328 35521775506 40596314864 43243900616 64168368656 71043551012 81192629728 86487801232 124326214271 128336737312 142087102024 172975602464 248652428542 284174204048 497304857084 568348408096 994609714168 1989219428336 3978438856672
• Sum of all divisors σ(n): 9867626496000
• Sum of proper divisors (its aliquot sum) s(n): 5889187639328
• 3978438856672 is an abundant number, because the sum of its proper divisors (5889187639328) is greater than itself. Its abundance is 1910748782656

Bases of 3978438856672

• Binary: 111001111001001101011011110100111111100000₂
• Hexadecimal: 0x39E4D6F4FE0
• Base-36: 1ERO3RWF4

Squares and roots of 3978438856672

• 3978438856672 squared (3978438856672²) is 15827975736277610558915584
• 3978438856672 cubed (3978438856672³) is 62970633691668454345204190905123176448
• The square root of 3978438856672 is 1994602.4307294925
• The cube root of 3978438856672 is 15845.4373007465

Scales and comparisons

• 3,978,438,856,672 seconds is equal to 126,502 years, 2 weeks, 4 days, 37 minutes, 52 seconds.
• To count from 1 to 3,978,438,856,672 would take you about three hundred sixteen thousand, two hundred fifty-five 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 3978438856672 cubic inches would be around 1320.5 feet tall.

Recreational maths with 3978438856672

• 3978438856672 backwards is 2766588348793
• The number of decimal digits it has is: 13
• The sum of 3978438856672's digits is 76
• More coming soon!