138804570072

Names of 138804570072

• Cardinal: 138804570072 can be written as One hundred thirty-eight billion, eight hundred four million, five hundred seventy thousand and seventy-two.

Scientific notation

• Scientific notation: 1.38804570072 × 10¹¹

Factors of 138804570072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1470

Divisors of 138804570072

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 19 21 24 28 36 38 42 49 56 57 63 72 76 84 98 114 126 133 147 152 168 171 196 228 252 266 294 342 392 399 441 456 504 532 588 684 798 882 931 1064 1176 1197 1368 1439 1596 1764 1862 2394 2793 2878 3192 3528 3724 4317 4788 5586 5756 7448 8379 8634 9576 10073 11172 11512 12951 16758 17268 20146 22344 25902 27341 30219 33516 34536 40292 51804 54682 60438 67032 70511 80584 82023 90657 103608 109364 120876 141022 164046 181314 191387 211533 218728 241752 246069 282044 328092 362628 382774 423066 492138 564088 574161 634599 656184 725256 765548 846132 984276 1148322 1269198 1339709 1531096 1692264 1722483 1968552 2070721 2296644 2538396 2679418 3444966 4019127 4141442 4593288 5076792 5358836 6212163 6889932 8038254 8282884 10717672 12057381 12424326 13779864 14495047 16076508 16565768 18636489 24114762 24848652 28990094 32153016 37272978 39343699 43485141 48229524 49697304 57980188 74545956 78687398 86970282 96459048 101465329 115960376 118031097 130455423 149091912 157374796 173940564 202930658 236062194 260910846 275405893 304395987 314749592 347881128 354093291 405861316 472124388 521821692 550811786 608791974 708186582 811722632 826217679 913187961 944248776 1043643384 1101623572 1217583948 1416373164 1652435358 1826375922 1927841251 2203247144 2435167896 2478653037 2832746328 3304870716 3652751844 3855682502 4957306074 5783523753 6609741432 7305503688 7711365004 9914612148 11567047506 15422730008 17350571259 19829224296 23134095012 34701142518 46268190024 69402285036 138804570072
• Sum of all divisors σ(n): 460641390300
• Sum of proper divisors (its aliquot sum) s(n): 321836820228
• 138804570072 is an abundant number, because the sum of its proper divisors (321836820228) is greater than itself. Its abundance is 183032250156

Bases of 138804570072

• Binary: 10000001010001011001011010011111011000₂
• Hexadecimal: 0x205165A7D8
• Base-36: 1RRKNNQ0

Squares and roots of 138804570072

• 138804570072 squared (138804570072²) is 19266708672872758085184
• 138804570072 cubed (138804570072³) is 2674307214040576875174827073013248
• The square root of 138804570072 is 372564.8535114389
• The cube root of 138804570072 is 5177.6726384329

Scales and comparisons

• 138,804,570,072 seconds is equal to 4,413 years, 28 weeks, 6 days, 9 hours, 1 minute, 12 seconds.
• To count from 1 to 138,804,570,072 would take you about eight thousand, eight hundred twenty-seven 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 138804570072 cubic inches would be around 431.5 feet tall.

Recreational maths with 138804570072

• 138804570072 backwards is 270075408831
• The number of decimal digits it has is: 12
• The sum of 138804570072's digits is 45
• More coming soon!