149869872

Names of 149869872

• Cardinal: 149869872 can be written as One hundred forty-nine million, eight hundred sixty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.49869872 × 10⁸

Factors of 149869872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 55

Divisors of 149869872

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 31 36 38 48 54 57 62 72 76 93 108 114 124 144 152 171 186 216 228 248 279 304 342 361 372 432 456 496 513 558 589 684 722 744 837 912 961 1026 1083 1116 1178 1368 1444 1488 1674 1767 1922 2052 2166 2232 2356 2736 2883 2888 3249 3348 3534 3844 4104 4332 4464 4712 5301 5766 5776 6498 6696 7068 7688 8208 8649 8664 9424 9747 10602 11191 11532 12996 13392 14136 15376 15903 17298 17328 18259 19494 21204 22382 23064 25947 25992 28272 31806 33573 34596 36518 38988 42408 44764 46128 51894 51984 54777 63612 67146 69192 73036 77976 84816 89528 100719 103788 109554 127224 134292 138384 146072 155952 164331 179056 201438 207576 219108 254448 268584 292144 302157 328662 346921 402876 415152 438216 492993 537168 604314 657324 693842 805752 876432 985986 1040763 1208628 1314648 1387684 1611504 1971972 2081526 2417256 2629296 2775368 3122289 3943944 4163052 4834512 5550736 6244578 7887888 8326104 9366867 12489156 16652208 18733734 24978312 37467468 49956624 74934936 149869872
• Sum of all divisors σ(n): 469132920
• Sum of proper divisors (its aliquot sum) s(n): 319263048
• 149869872 is an abundant number, because the sum of its proper divisors (319263048) is greater than itself. Its abundance is 169393176

Bases of 149869872

• Binary: 1000111011101101010100110000₂
• Hexadecimal: 0x8EED530
• Base-36: 2H88C0

Squares and roots of 149869872

• 149869872 squared (149869872²) is 22460978533296384
• 149869872 cubed (149869872³) is 3366223977779876808142848
• The square root of 149869872 is 12242.1351078969
• The cube root of 149869872 is 531.1755938791

Scales and comparisons

• 149,869,872 seconds is equal to 4 years, 39 weeks, 5 days, 14 hours, 31 minutes, 12 seconds.
• To count from 1 to 149,869,872 would take you about 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 149869872 cubic inches would be around 44.3 feet tall.

Recreational maths with 149869872

• 149869872 backwards is 278968941
• 149869872 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 149869872's digits is 54
• More coming soon!