72145973424

Names of 72145973424

• Cardinal: 72145973424 can be written as Seventy-two billion, one hundred forty-five million, nine hundred seventy-three thousand, four hundred twenty-four.

Scientific notation

• Scientific notation: 7.2145973424 × 10¹⁰

Factors of 72145973424

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 44261

Divisors of 72145973424

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 19 21 24 28 38 42 48 56 57 76 84 112 114 133 152 168 228 257 266 304 336 399 456 514 532 771 798 912 1028 1064 1542 1596 1799 2056 2128 3084 3192 3598 4112 4883 5397 6168 6384 7196 9766 10794 12336 14392 14649 19532 21588 28784 29298 34181 39064 43176 43973 58596 68362 78128 86352 87946 102543 117192 131919 136724 175892 205086 234384 263838 273448 307811 351784 410172 527676 546896 615622 703568 820344 835487 923433 1055352 1231244 1640688 1670974 1846866 2110704 2462488 2506461 3341948 3693732 4924976 5012922 5848409 6683896 7387464 10025844 11301061 11696818 13367792 14774928 17545227 20051688 22602122 23393636 33903183 35090454 40103376 45204244 46787272 67806366 70180908 79107427 90408488 93574544 135612732 140361816 158214854 180816976 214720159 237322281 271225464 280723632 316429708 429440318 474644562 542450928 632859416 644160477 858880636 949289124 1265718832 1288320954 1503041113 1717761272 1898578248 2576641908 3006082226 3435522544 3797156496 4509123339 5153283816 6012164452 9018246678 10306567632 12024328904 18036493356 24048657808 36072986712 72145973424
• Sum of all divisors σ(n): 225090593280
• Sum of proper divisors (its aliquot sum) s(n): 152944619856
• 72145973424 is an abundant number, because the sum of its proper divisors (152944619856) is greater than itself. Its abundance is 80798646432

Bases of 72145973424

• Binary: 1000011001100001111000011000010110000₂
• Hexadecimal: 0x10CC3C30B0
• Base-36: X55ULDC

Squares and roots of 72145973424

• 72145973424 squared (72145973424²) is 5205041481296514283776
• 72145973424 cubed (72145973424³) is 375522784380435912581139690369024
• The square root of 72145973424 is 268600.0249888295
• The cube root of 72145973424 is 4162.9772015663

Scales and comparisons

• 72,145,973,424 seconds is equal to 2,294 years, 6 days, 20 hours, 10 minutes, 24 seconds.
• To count from 1 to 72,145,973,424 would take you about four thousand, five hundred eighty-eight 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 72145973424 cubic inches would be around 346.9 feet tall.

Recreational maths with 72145973424

• 72145973424 backwards is 42437954127
• 72145973424 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72145973424's digits is 48
• More coming soon!