47191991418

Names of 47191991418

• Cardinal: 47191991418 can be written as Forty-seven billion, one hundred ninety-one million, nine hundred ninety-one thousand, four hundred eighteen.

Scientific notation

• Scientific notation: 4.7191991418 × 10¹⁰

Factors of 47191991418

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 48

Divisors of 47191991418

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 9 11 13 18 19 22 26 27 33 38 39 54 57 66 78 81 99 114 117 121 143 162 171 198 209 234 242 243 247 286 297 342 351 361 363 418 429 486 494 513 594 627 702 722 726 729 741 858 891 1026 1053 1083 1089 1254 1287 1458 1482 1539 1573 1782 1881 2106 2166 2178 2187 2223 2299 2574 2673 2717 3078 3146 3159 3249 3267 3762 3861 3971 4374 4446 4598 4617 4693 4719 5346 5434 5643 6318 6498 6534 6669 6859 6897 7722 7942 8019 8151 9234 9386 9438 9477 9747 9801 11286 11583 11913 13338 13718 13794 13851 14079 14157 16038 16302 16929 18954 19494 19602 20007 20577 20691 23166 23826 24057 24453 27702 28158 28314 28431 29241 29403 29887 33858 34749 35739 40014 41154 41382 41553 42237 42471 43681 48114 48906 50787 51623 56862 58482 58806 59774 60021 61731 62073 69498 71478 73359 75449 83106 84474 84942 87362 87723 88209 89167 89661 101574 103246 104247 107217 120042 123462 124146 126711 127413 131043 146718 150898 152361 154869 175446 176418 178334 179322 180063 185193 186219 208494 214434 220077 226347 253422 254826 262086 263169 264627 267501 268983 304722 309738 312741 321651 360126 370386 372438 380133 382239 393129 440154 452694 457083 464607 526338 529254 535002 537966 540189 555579 558657 567853 625482 643302 660231 679041 760266 764478 786258 789507 802503 806949 829939 914166 929214 964953 980837 1080378 1111158 1117314 1135706 1140399 1146717 1179387 1320462 1358082 1393821 1579014 1605006 1613898 1659878 1666737 1675971 1703559 1929906 1961674 1980693 2037123 2280798 2293434 2358774 2407509 2420847 2489817 2787642 2894859 2942511 3333474 3351942 3407118 3421197 3440151 3538161 3961386 4074246 4181463 4815018 4841694 4979634 5000211 5027913 5110677 5789718 5885022 5942079 6111369 6842394 6880302 7076322 7222527 7262541 7469451 8362926 8684577 8827533 10000422 10055826 10221354 10263591 10614483 10789207 11884158 12222738 12544389 14445054 14525082 14938902 15000633 15332031 17369154 17655066 18334107 20527182 21228966 21578414 21667581 21787623 22408353 25088778 26482599 30001266 30664062 31843449 32367621 36668214 37633167 43335162 43575246 44816706 45996093 52965198 55002321 63686898 64735242 65002743 65362869 67225059 75266334 79447797 91992186 95530347 97102863 110004642 112899501 130005486 130725738 134450118 137988279 158895594 165006963 191060694 194205726 195008229 201675177 225799002 238343391 275976558 291308589 330013926 390016458 403350354 413964837 476686782 582617178 605025531 715030173 827929674 873925767 1210051062 1241894511 1430060346 1747851534 1815076593 2145090519 2483789022 2621777301 3630153186 4290181038 5243554602 7865331903 15730663806 23595995709 47191991418
• Sum of all divisors σ(n): 132651859200
• Sum of proper divisors (its aliquot sum) s(n): 85459867782
• 47191991418 is an abundant number, because the sum of its proper divisors (85459867782) is greater than itself. Its abundance is 38267876364

Bases of 47191991418

• Binary: 101011111100110111001010010001111010₂
• Hexadecimal: 0xAFCDCA47A
• Base-36: LOGW5MI

Squares and roots of 47191991418

• 47191991418 squared (47191991418²) is 2227084053996585650724
• 47191991418 cubed (47191991418³) is 105100531563371518630268953486632
• The square root of 47191991418 is 217237.1777988289
• The cube root of 47191991418 is 3613.7333307765

Scales and comparisons

• 47,191,991,418 seconds is equal to 1,500 years, 29 weeks, 14 hours, 30 minutes, 18 seconds.
• To count from 1 to 47,191,991,418 would take you about three thousand and 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 47191991418 cubic inches would be around 301.1 feet tall.

Recreational maths with 47191991418

• 47191991418 backwards is 81419919174
• 47191991418 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 47191991418's digits is 54
• More coming soon!