31381139328

Names of 31381139328

• Cardinal: 31381139328 can be written as Thirty-one billion, three hundred eighty-one million, one hundred thirty-nine thousand, three hundred twenty-eight.

Scientific notation

• Scientific notation: 3.1381139328 × 10¹⁰

Factors of 31381139328

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 798

Divisors of 31381139328

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 19 21 22 24 28 32 33 38 42 44 48 56 57 64 66 76 77 83 84 88 96 112 114 128 132 133 152 154 166 168 176 192 209 224 228 231 249 264 266 304 308 332 336 352 384 399 418 448 456 462 498 528 532 581 608 616 627 664 672 673 704 798 836 896 912 913 924 996 1056 1064 1162 1216 1232 1254 1328 1344 1346 1408 1463 1577 1596 1672 1743 1824 1826 1848 1992 2019 2112 2128 2324 2432 2464 2508 2656 2688 2692 2739 2926 3154 3192 3344 3486 3648 3652 3696 3984 4038 4224 4256 4389 4648 4711 4731 4928 5016 5312 5384 5478 5852 6308 6384 6391 6688 6972 7296 7304 7392 7403 7968 8076 8512 8778 9296 9422 9462 9856 10032 10624 10768 10956 11039 11704 12616 12768 12782 12787 13376 13944 14133 14608 14784 14806 15936 16152 17024 17347 17556 18592 18844 18924 19173 20064 21536 21912 22078 22209 23408 25232 25536 25564 25574 26752 27888 28266 29216 29568 29612 31872 32304 33117 34694 35112 37184 37688 37848 38346 38361 40128 43072 43824 44156 44418 46816 50464 51072 51128 51148 51821 52041 55776 55859 56532 58432 59224 64608 66234 69388 70224 74368 75376 75696 76692 76722 80256 86144 87648 88312 88836 89509 93632 100928 102256 102296 103642 104082 111552 111718 113064 116864 118448 121429 129216 132468 138776 140448 140657 150752 151392 153384 153444 155463 167577 175296 176624 177672 179018 187264 201856 204512 204592 207284 208164 223104 223436 226128 236896 242858 258432 264936 268527 277552 280896 281314 301504 302784 306768 306888 310926 335154 350592 353248 355344 358036 364287 391013 409024 409184 414568 416328 421971 446872 452256 473792 485716 529872 537054 555104 561792 562628 603008 605568 613536 613776 614449 621852 670308 706496 710688 716072 728574 782026 818048 818368 829136 832656 843942 893744 904512 947584 971432 984599 1059744 1061321 1074108 1110208 1125256 1173039 1227072 1227552 1228898 1243704 1340616 1412992 1421376 1432144 1457148 1564052 1636736 1658272 1665312 1687884 1787488 1809024 1843347 1942864 1969198 2119488 2122642 2148216 2220416 2250512 2346078 2454144 2455104 2457796 2487408 2681232 2842752 2864288 2914296 2953797 3128104 3183963 3316544 3330624 3375768 3574976 3686694 3885728 3938396 4238976 4245284 4296432 4301143 4501024 4692156 4910208 4915592 4974816 5362464 5728576 5828592 5907594 6256208 6367926 6633088 6661248 6751536 7149952 7373388 7429247 7771456 7876792 8490568 8592864 8602286 9002048 9384312 9831184 9949632 10724928 11457152 11657184 11674531 11815188 12512416 12735852 12903429 13503072 14746776 14858494 15542912 15753584 16981136 17185728 17204572 18004096 18768624 19662368 19899264 21449856 22287741 23314368 23349062 23630376 25024832 25471704 25806858 27006144 29493552 29716988 31507168 33962272 34371456 34409144 35023593 37537248 39324736 44575482 46628736 46698124 47260752 50049664 50943408 51613716 54012288 58987104 59433976 63014336 67924544 68818288 70047186 75074496 78649472 81721717 89150964 93396248 94521504 101886816 103227432 117974208 118867952 126028672 135849088 137636576 140094372 150148992 163443434 178301928 186792496 189043008 203773632 206454864 235948416 237735904 245165151 275273152 280188744 326886868 356603856 373584992 378086016 407547264 412909728 475471808 490330302 550546304 560377488 653773736 713207712 747169984 825819456 950943616 980660604 1120754976 1307547472 1426415424 1494339968 1651638912 1961321208 2241509952 2615094944 2852830848 3922642416 4483019904 5230189888 7845284832 10460379776 15690569664 31381139328
• Sum of all divisors σ(n): 110876774400
• Sum of proper divisors (its aliquot sum) s(n): 79495635072
• 31381139328 is an abundant number, because the sum of its proper divisors (79495635072) is greater than itself. Its abundance is 48114495744

Bases of 31381139328

• Binary: 11101001110011101100010111110000000₂
• Hexadecimal: 0x74E762F80
• Base-36: EEZIQ2O

Squares and roots of 31381139328

• 31381139328 squared (31381139328²) is 984775905523348291584
• 31381139328 cubed (31381139328³) is 30903389898085557495268273815552
• The square root of 31381139328 is 177147.2250079011
• The cube root of 31381139328 is 3154.2024811881

Scales and comparisons

• 31,381,139,328 seconds is equal to 997 years, 42 weeks, 5 days, 15 hours, 8 minutes, 48 seconds.
• To count from 1 to 31,381,139,328 would take you about one thousand, nine hundred ninety-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 31381139328 cubic inches would be around 262.9 feet tall.

Recreational maths with 31381139328

• 31381139328 backwards is 82393118313
• 31381139328 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 31381139328's digits is 42
• More coming soon!